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PQA823
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User manual
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HT Instruments PQA823 User manual

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User manual
Copyright HT ITALIA 2017 Release EN 2.10 - 02/05/2017
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PQA400 – PQA823 – PQA824
PQA823 - PQA824 - PQA400
Contents:
1. PRECAUTIONS AND SAFETY MEASURES ............................................................. 4
1.1.General ................................................................................................................................. 4
1.2.Preliminary instructions ......................................................................................................... 4
1.3.During use ............................................................................................................................. 5
1.4.After use ................................................................................................................................ 5
2. GENERAL DESCRIPTION ......................................................................................... 6
2.1.Introduction ........................................................................................................................... 6
2.2.Functions ............................................................................................................................... 6
2.3.Initial screen .......................................................................................................................... 6
3. PREPARE TO USE ..................................................................................................... 7
3.1.Initial check ........................................................................................................................... 7
3.2.Instrument power supply ....................................................................................................... 7
3.3.Storage .................................................................................................................................. 7
4. HOW TO OPERATE ................................................................................................... 8
4.1.Instrument description ........................................................................................................... 8
4.2.Keyboard description ............................................................................................................ 9
4.3.Display description .............................................................................................................. 10
4.4.Reset of meter ..................................................................................................................... 10
5. GENERAL MENU ..................................................................................................... 11
5.1.General settings .................................................................................................................. 12
5.1.1. Language selection .................................................................................................................. 12
5.1.2. Date/Time settings .................................................................................................................... 13
5.1.3. Display brightness adjust .......................................................................................................... 14
5.1.4. Protection Password setting ................................................................................................... .. 14
5.1.5. Sound keys setting ................................................................................................................... 15
5.1.6. Auto power off setting ............................................................................................................... 16
5.1.7. Memory type setting ................................................................................................................. 17
5.1.8. “Touch screen” calibration ........................................................................................................ 17
5.2.Real Time Values ................................................................................................................ 18
5.2.1. Real time values ....................................................................................................................... 18
5.2.2. SCOPE waveforms screens ..................................................................................................... 22
5.2.3. HARM analysis screens ........................................................................................................... 24
5.2.4. Vectorial diagrams screens ...................................................................................................... 26
5.3.Analyzer Settings ................................................................................................................ 28
5.3.1. Analyzer Configuration screen ................................................................................................. 28
5.3.1.1. Setting system frequency ................................................................................................................ 33
5.3.1.2. Setting clamp type ........................................................................................................................... 34
5.3.1.3. Setting full scale of clamps .............................................................................................................. 34
5.3.1.4. Setting VT ratio ................................................................................................................................ 34
5.3.2. Advanced Settings screen ........................................................................................................ 34
5.3.2.1. Zoom graphics option ...................................................................................................................... 35
5.3.2.2. Harmonics type option ..................................................................................................................... 35
5.3.2.3. Harmonics values option ................................................................................................................. 36
5.3.2.4. Zoom with respect to the 1st harmonic option ................................................................................. 36
5.3.2.5. Average value option ....................................................................................................................... 37
5.4.Recording settings .............................................................................................................. 38
5.4.1. Recording settings screen ........................................................................................................ 38
5.4.2. Comments ................................................................................................................................ 39
5.4.2.1. Use of virtual keyboard .................................................................................................................... 39
5.4.3. Start and Stop ........................................................................................................................... 40
5.4.4. Integration period ...................................................................................................................... 40
5.4.5. Cogenerations .......................................................................................................................... 40
5.4.6. General Parameters ................................................................................................................. 41
5.4.6.1. General Parameters: sub-levels description .................................................................................... 43
5.4.6.2. Harmonics: sub-levels description ................................................................................................... 44
5.4.7. Voltage Anomalies .................................................................................................................... 45
5.4.8. Inrush current (only PQA82x) ................................................................................................... 47
5.4.9. Flicker (only PQA82x) ............................................................................................................... 48
5.4.10.Unbalance ................................................................................................................................. 49
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5.4.11.Spike (only PQA824) ................................................................................................................ 49
5.4.12.Predefined configurations ......................................................................................................... 50
5.4.13.Start a recording ....................................................................................................................... 58
5.4.13.1. Automatic start of recording ............................................................................................................. 60
5.4.14.During a recording .................................................................................................................... 61
5.5.Saved data management section ........................................................................................ 63
5.5.1. Recording analysis (Reg type) ................................................................................................. 64
5.5.1.1. Recording information ..................................................................................................................... 64
5.5.1.2. Recording graph .............................................................................................................................. 65
5.5.1.3. Dips ans swells ................................................................................................................................ 67
5.5.1.4. Fast transient ................................................................................................................................... 68
5.5.1.5. Inrush currents ................................................................................................................................ 70
5.5.1.6. EN50160 ......................................................................................................................................... 72
5.5.1.7. Analysis of consumed energy .......................................................................................................... 74
5.5.1.8. Analysis of producted energy .......................................................................................................... 75
5.5.2. Recording analysis (Istant type) ............................................................................................... 76
5.5.2.1. Recording information ..................................................................................................................... 76
5.5.2.2. Graph .............................................................................................................................................. 77
5.5.2.3. Harmonics analysis ......................................................................................................................... 77
5.5.2.4. Vectors ............................................................................................................................................ 78
5.5.2.5. Measures ......................................................................................................................................... 79
5.5.3. Transfer recordings to a external Pen Driver USB ................................................................... 80
5.5.4. Saving recordings to external Compact Flash (only PQA82x) ................................................. 81
5.6.Meter information ................................................................................................................ 82
6. CONNECTION OF METER TO PC (WITH WIN XP) ................................................. 83
7. MEASURING PROCEDURES .................................................................................. 84
7.1.Using of meter in a Single phase system – ENG type ........................................................ 84
7.2.Using of meter in a Single phase system – ENG_UK type ................................................. 85
7.3.Using of meter in a 3-phase 4 wire system – ENG type ...................................................... 86
7.4.Using of meter in a 3-phase 4 wire system – ENG_UK type ............................................... 87
7.5.Using of meter in a Three phase 3 wire system – ENG type .............................................. 88
7.6.Using of meter in a Three phase 3 wire system – ENG_UK type ....................................... 89
7.7.Using of meter in a Three phase 3 wire ARON system – ENG type ................................... 90
7.8.Using of meter in a 3-phase 3 wire ARON system – ENG_UK type ................................... 91
7.9.Using of meter in a 3-phase 4-wire 3PHL (USA system) – ENG type ................................. 92
7.10.Using in a 3-phase 4-wire 3PHL (USA system) – ENG_UK type .................................... 93
7.11.Using of meter in a 3-phase 3-wire 3POD (USA system) – ENG type ............................ 94
7.12.Using of meter in 3-phase 3-wire 3POD (USA system) – ENG_UK type ........................ 95
7.13.Using of meter in a 3 wire 3P2E (USA system) – ENG type ........................................... 96
7.14.Using of meter in a 3 wire 3P2E (USA system) – ENG_UK type .................................... 97
7.15.Using of meter in a 3 wire 3POY (USA system) – ENG type .......................................... 98
7.16.Using of meter in a 3 wire 3POY (USA system) – ENG_UK type ................................... 99
7.17.Using of meter in a 3 wire 1PH3W (USA system) – ENG type ..................................... 100
7.18.Using of meter in a 3 wire 1PH3W (USA system) – ENG_UK type .............................. 101
8. MAINTENANCE ...................................................................................................... 102
8.1.General ............................................................................................................................. 102
8.2.Situations relative to internal battery ................................................................................. 102
8.3.Cleaning ............................................................................................................................ 102
8.4.End of life .......................................................................................................................... 102
9. TECHNICAL SPECIFICATIONS ............................................................................. 103
9.1.Technical features ............................................................................................................. 103
9.2.General features ............................................................................................................... 105
9.3.Environment ...................................................................................................................... 105
9.3.1. Climatic condition ................................................................................................................... 105
9.4.Accessories ....................................................................................................................... 105
10.APPENDIX – THEORETICAL OUTLINES .............................................................. 106
10.1.Voltage Anomalies ........................................................................................................ 106
10.2.Voltage and current Harmonics ..................................................................................... 106
10.2.1.Theory ..................................................................................................................................... 106
10.2.2. Limit values for harmonic voltage ........................................................................................... 107
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10.2.3.Presence of harmonics: causes ............................................................................................. 108
10.2.4.Presence of harmonics: consequences ................................................................................. 108
10.3.Inrush currents (only PQA82x) ...................................................................................... 109
10.4.Flicker ............................................................................................................................ 110
10.5.Supply voltage unbalance ............................................................................................. 111
10.6.Voltage fast transients (spikes) (only PQA824) ............................................................. 112
10.7.Power and power factor: definitions .............................................................................. 114
10.7.1.Conventions on powers and power factors ............................................................................ 115
10.7.2.Three phase 3 wire ARON system ......................................................................................... 116
10.8.Measuring method: outlines .......................................................................................... 117
10.8.1.Integration period .................................................................................................................... 117
10.8.2.Power factor calculations ........................................................................................................ 117
11.AFTER-SALE SERVICE ......................................................................................... 118
11.1.Warranty ........................................................................................................................ 118
11.2.Service .......................................................................................................................... 118
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1. PRECAUTIONS AND SAFETY MEASURES
1.1. GENERAL
This meter has been designed in compliance to IEC/EN61010-1 directive. For your own safety and to avoid damaging the instrument we suggest you follow the procedures hereby
prescribed and to read carefully all the notes preceded by the symbol . Before and during measurements please take care of below points:
Do not measure voltage or current in wet or dusty places. Do not measure in presence of gas, explosive materials or combustibles. Do not touch the circuit under test if no measurement is being taken. Do not touch exposed metal parts, unused terminals, circuits and so on. Do not use the meter if it seems to be malfunctioning (i.e. if you notice deformations,
breaks, leakage of substances, absence of messages on the display and so on).
The below symbols are used in this manual and on meter:
Caution: keep to what prescribed by the manual. An incorrect use could damage the instrument or its components.
High voltage: risk of electric shock.
Double insulation. The voltages indicates on the left of this symbol are referred to ground
1.2. PRELIMINARY INSTRUCTIONS
This instrument has been designed for use in places with pollution class 2. It can be used for VOLTAGE and CURRENT measurements on installations of excess
voltage CAT IV 600V to earth and a CAT III 1000V maximum voltage between inputs
We recommend following the normal safety rules devised by the procedures for
carrying out operations on live systems and using the prescribed PPE to protect the user against dangerous currents and the instrument against incorrect use
In case the lack of warning against the presence of voltage may constitute a danger for
the operator always carry out a continuity measurement before carrying out the measurement of the live system to confirm the correct connection and condition of the leads
Only the accessories supplied with the instrument guarantee compliance with the
safety standards. Accordingly, they must be in good conditions and, if necessary, they must be replaced with identical models.
Do not take measurements on circuits exceeding the specified current and voltage
limits.
Before connecting cables, crocodiles and clamps to the circuit under test, make sure
that the right function has been selected.
CAUTION
Please perform a complete charging of internal battery for at least 5 hours
before using the meter the first time.
Please press and hold the ON/OFF key for about 5s when turning on the
meter the first time.
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1.3. DURING USE
Please read carefully the below points:
CAUTION
Should you fail to keep to the prescribed instructions you could damage the instrument and/or its components or endanger your safety.
Do not touch any unused terminal when the meter is connected to the circuit on test. When measuring current, other currents located near the leads may affect the
measuring accuracy.
When measuring current, always position the wire in the very middle of the jaws in
order to obtain the highest accuracy.
A measured value remains constant if the "HOLD" function is active. Should you notice
that the measured value remains unchanged, disable the “HOLD” function.
1.4. AFTER USE
After use, turn off the instrument by pressing ON/OFF key for a few seconds. If you expect not to use the instrument for a long time please keep to the storage
instructions described at § 3.3.
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2. GENERAL DESCRIPTION
2.1. INTRODUCTION
This user manual is common to all meters and the PQA823, PQA824 models are indicated as “PQA82x”. The differences between meters, if necessary, are clearly declared in manual. Each model is generically called “meter”.
2.2. FUNCTIONS
This meter are able to performs: Real time visualization of numeric values of any electrical parameters of a single phase
and three-phase 3-wire or 4-wire systems, harmonic analysis of voltages and currents up to 64th order, Voltage anomalies (surge and dips) with 10ms resolution, Flicker (Pst, Plt) of input voltages (PQA82x only), voltages unbalance, inrush current measurements (PQA82x only) and fast voltage transients analysis with 5s resolution (PQA824 only).
Real time display of any input signal waveform, histogram graphics of harmonics
analysis and vectorial diagrams of mutual angles between voltages and currents.
Recording (by pressing GO/STOP key) of this values: TRMS values of voltages,
currents, corresponding harmonics, active, reactive and apparent powers, power factors and cosphi, active, reactive and apparent energies, voltage anomalies. It will
be possible to analyze the recorded data ONLY by transferring them to a PC.
Saving (by pressing SAVE key) of a “Instant” sampled of instantaneous values of any
parameters present at instrument input inside memory. It will be possible to analyze
the memorized data ONLY by transferring them to a PC.
2.3. INITIAL SCREEN
When turning on the instrument by pressing ON/OFF key, this below screen will appear for a few seconds:
PQA824
HT
Sn:15030004 Ver:1.37 Calibration Date: 09/09/2015
Here you can see (besides model code and manufacturer name):
The serial number of the meter (Sn:). The release of internal meter Firmware (Rel:). Date of last calibration (Calibration Date:).
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3. PREPARE TO USE
3.1. INITIAL CHECK
This meter has been checked before shipment from an electrical and mechanical point of view. All possible precautions have been taken in order to deliver it in perfect condition. Notwithstanding, on receipt of the instrument we suggest that you check it summarily to make sure that no damage has occurred in transit. Should you find irregularities please contact the carrier immediately. Furthermore, please make sure that the parcel contains all the accessories and parts listed at enclosed packing list. In case of discrepancies please contact your dealer. Should it be necessary to return the instrument to the supplier please keep to the instructions given at chapter 11.
3.2. INSTRUMENT POWER SUPPLY
The instrument can be powered only by a rechargeable Li-ION battery (3.7V, 1900mAh) which is included with the meter. Use only the external adapter standard supplied with meter for charging battery (see § 8.2 for more details).
For recordings use ALWAYS the external adapter (even the instrument allows the operator to perform a recording using internal battery).
Please perform a complete charging of internal battery for at least 5 hours before the first use of meter.
The meter uses the below options to increase the battery duration: Automatically reduction of display brightness after about 30s from last operation
performed with meter, with external adapter not connected.
Auto Power OFF feature after about 5 minutes from the last operation on function keys
or display touch screen with external adapter not connected (see § 5.1.6).
3.3. STORAGE
To guarantee accurate measurements, after a long storage period in severe environmental conditions wait until the instrument resumes its normal conditions (see environmental conditions listed at § 9.3.1).
CAUTION
CAUTION
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g
4. HOW TO OPERATE
4.1. INSTRUMENT DESCRIPTION
CAPTION:
1. Voltage and Current inputs
2. TFT display with “touchscreen”
3. F1 – F4 keys
4. Arrows keys and ENTER key
5. GO/STOP key
6. SAVE key
7. ON/OFF key
8. Input for external adapter
9. HELP key
10. ESC key
11. Output per external compact flash connection (not available for PQA400)
12. Output per external USB driver connection
13. USB output for PC connection
Fig. 1: Description of meter's front panel
CAPTION:
4
3
1. B1-B4 inputs for voltage connections on L1, L2, L3 phases and neutral N
2. BE input for Ground connection
3. Inputs for currents connections on L1, L2, L3
4. Input for neutral N current
2
1
connection not available for PQA400)
Fig. 2: Description of meter's input terminals
1
ESD Warnin
COMPACT FLASH
2
3
5
4
CAPTION:
1. Input for external adapter
2. Output for compact flash not
available for PQA400) (*)
3. Output for external driver USB (*)
4. RESET command
5. USB output for PC connection (*)
Fig. 3: Description of meter's output connectors
(*) Use the output connectors included into the lateral side only with meter OFF. This outputs should be
interested by electrostatic discharges (ESD).
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4.2. KEYBOARD DESCRIPTION
The below keys are available: Key ON/OFF: Press this key to turn on the meter. Press and hold the key for few
seconds to turn off the meter.
 Keys F1, F2, F3, F4: Multifunction keys. The various functions are intended from the s
shown on the bottom of display.
Key ESC: To leave a menu or a sub-menu. The smart icon which is shown
on screens performs the same function under interactive mode.
Key ENTER: Double function key:
ENTER: To confirm the settings made.  HOLD: To block the value updating in all real time screens and also
during a recording operation. “H” symbol is shown at display by any pressing of key as for Fig. 4
Fig. 4: HOLD function active at display
Keys , , , /ZOOM in/ZOOM out: These arrows keys permit to select the desired
programmable parameters inside various screens. The double function of ZOOM in and ZOOM out permits to change manually the full scale of some graphics inside SCOPE section in order to improve the global resolution on viewing waveforms of signals (see
§ 5.3.2). Arrow keys and permit to operate on internal pages inside some kinds of screen.
Key SAVE: Saves an “Instant” type sampling of instantaneous values in
internal memory (see § 5.5). The same key permits also the saving of various settings inside screens. The smart icon which is shown on screens perform the same function under interactive mode.
 Key GO/STOP: Permits to start/stop any recording (see § 5.4.13).  Key HELP: Opens an help on line window on the meter screen with a short
description of the same screen which is instantaneously shown. This key is active for any function.
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4.3. DISPLAY DESCRIPTION
The display is a graphic TFT colour type, 73x57mm sizes (VGA 320x240 pxls) with “touch­screen” which permits a really easy operations using standard PT400 pointer pen fitted in lateral side of meter. On first display’s row the system date/hour is shown by meter (see § 5.1.2 for settings). There are also some icons relative to battery level indication or external adapter fitted and for waiting and start of a recording. On second row the kind of selected measure is shown and the last row shows the short s associated to F1, F4 function keys. An example of possible screen is show n on Fig. 5
Fig. 5: Example of screen
4.4. RESET OF METER
The meter is designed with internal Reset Hardware which can be used if any functions is blocked at display, in order to restore all correct operations. Consider the below steps to perform Reset actions:
1. Using the PT400 pointer pen or another object softly pressing the internal part of the little hole which is present on the lateral side of meter (see Fig. 3 – 4). The meter goes automatically off.
2. Turn on the meter by pressing ON/OFF key and verify the correct working.
RESET operation will not erase the meter’s internal memory.
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5. GENERAL MENU
Whenever you turn on the meter, the below “Analyzer Configuration” screen is shown, relative to the last configuration used (see Fig. 6):
Fig. 6: Example of analyzer configuration In this situation the user can decide whether modify the actual configuration by pressing F1 key (or “CHANGE” at display – see § 5.3.1) or directly access to General Menu by pressing F4 key (or the “OK” at display). If no action is performed within 10s the meter automatically goes to GENERAL MENU screen. The GENERAL MENU of meter is correspondent to the screen shown in Fig. 7:
Fig. 7: GENERAL MENU screen The actual selected section is shown with red background at display and it’s title is shown in the bottom of display. The below sections are available on meter:
General settings section which permits to set the system parameters of meter as
date/hour, language, display brightness, protection password, keys sound on pressure auto power off and memory type (see § 5.1).
Real time values section which permits to see the real time measured values at
display under various formats (see § 5.2).
Analyzer settings section which permits to define the simple and advanced
configurations relative to connection of meter to the installation (see § 5.3).
Recorder settings section which permits to select the parameters for each recording
and see the information about the autonomy of meter during operation (see § 5.4).
Recording results section which permits to see the list of all recordings saved on
internal memory, for memory cancel operations and the transfer of date in external Pen Driver USB (see § 5.5).
Meter information section which permits to access to general information about meter
(serial number, internal Firmware and Software release, etc...) (see § 5.6).
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5.1. GENERAL SETTINGS
Fig. 8: MENU GENERAL screen - General settings section
This section permits to set the below control parameters:
System language. System Date/Hour. Display brightness. Protection password during recordings. Key sound on pressure. Auto Power OFF Enable/Disable. Memory type settings
Pressing ENTER key (or touch the relative icon at display). The below screen is shown by meter:
Fig. 9: General Settings screen
5.1.1. Language selection
1. Move the cursor using arrows keys on field relative to “Language”, marked with blue
background.
2. Using F3 or F4 keys (or touch MOD(+) o MOD(-)) for selection of language choosing
among the different options.
3. Pressing SAVE or ENTER keys (or the smart icon
) to save the selected option and
confirm by “Ok”. This selected parameter will be present also the turning off of meter.
4. Pressing ESC key (or the smart icon ) to exit by screen without saving any modify.
CAUTION
Changing the language form ENGLISH to ENGLISH_UK the colour of the input cables is modified for any system (see § 5.3.1)
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5.1.2. Date/Time settings
1. Press the F1 key (or touch DATE at display) on screen of Fig. 9. The below screen is
shown by meter:
Fig. 10: Date/Time settings screen
2. Move the cursor using arrows keys on field relative to “Date format” and “Time format”,
marked with blue background.
3. Using F3 or F4 keys (or touch MOD(+) o MOD(-)) for Date setting choosing between
the two possible formats (European EU or American US):
DD:MM:YY MM:DD:YY
Option EU Option US
4. Using F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) for Time setting choosing
between two possible format (24 hours or 12 hours):
HH:MM:SS
HH:MM:AM(PM)
Option 24h Option 12h
5. Press SAVE or ENTER keys (or the smart icon
) to save the selected option and
confirm by “Ok”. This selected parameter will be present also the turning off of meter.
6. Pressing ESC key (or the smart icon
) to exit by screen without saving any modify.
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5.1.3. Display brightness adjust
1. Move the cursor using arrows keys on the field relative to “Brightness”, marked with
blue background
Fig. 11: Adjust brightness screen
2. Using F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) for adjustment of display
brightness percentage. The meter increases or decreases this value in step of 5% for each pressure of key.
3. Press SAVE or ENTER key (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also the turn off of meter.
4. Press ESC key (or the smart icon ) to quit without saving any modification.
5.1.4. Protection Password setting
The meter is provided with a protection password to avoid the risk of accidental recording interruption.
1. Move the cursor using arrows keys on field relative to “Password” , marked it with blue
background
Fig. 12: Protection password settings screen
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to enable “YES” or disable
“NO” of Password.
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3. With Password enabled, should GO/STOP key be pressed during a recording, the
meter will not stop the operation but will require the user to insert password as shown in the below screen:
Fig. 13: Insert Password screen
4. The fixed password (not changeable by user) to insert on meter within 10s from
warning message is the below sequence of keys:
F1, F4, F3, F2
5. If a wrong password is fitted or if more of 10s elapse, the meter will give the warning
message “Wrong Password” and it’s necessary to repeat the operation. As soon as the correct password is fitted, the meter will stop immediately the recording running and the correspondent icon at display (see
6. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also after turning off the meter.
7. Pressing ESC key (or the smart icon ) to quit without saving any modification.
5.1.5. Sound keys setting
The meter permits to enable a instantaneous sound for any key pressure of the frontal panel.
1. Move the cursor using arrows keys on field relative to “Sound”, marked with blue
background, see
Fig. 14: Keys sound settings screen
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to enable “YES” or disable
“NO” of keys sound.
3. Pressing SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also after turning off the meter.
4. Press ESC key (or the smart icon ) to quit without saving any modification.
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5.1.6. Auto power off setting
The meter permits to enable or disable the auto power off option in order to prevent a quick discharge of internal battery. This feature, if selected, is active under each of the following conditions:
No action was performed both any key or touch display for at least 5 minutes. Meter does not supplied with external adapter. Meter does not in recording running.
The effect is a long sound before turn off of meter.
1. Move the cursor using arrows keys on the field relative to “Auto power off”, marked with
blue background, see
Fig. 15: Auto power off setting screen
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) for enable “YES” or disable
“NO” auto power off.
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also after turning off the meter.
4. Press ESC key (or the smart icon ) to quit without saving any modification.
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5.1.7. Memory type setting
The meter permits saving of recordings both in its internal memory (about 15Mbytes) and by using an external compact flash (see § 5.5.4 for details) fitted (see Fig. 3). For the selection of memory type follow the below steps:
1. Move the cursor using arrows keys on field relative to “Memory type”, marked with blue
background
Fig. 16: Memory type setting screen
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to choose “ INTERNAL” or
“EXTERNAL”memory type.
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also after turning off the meter.
4. Press ESC key (or the smart icon ) to exit by screen without saving any modify.
5.1.8. “Touch screen” calibration
This operation is necessary if any internal features of “touch screen” display are not correctly positionated or not more selectable by using the PT400 pointer
1. Select the “TOUCH” item inside the “General settings” section. The message “Do You
want to calibrate touch screen?” is shown by the meter. Confirm with “Ok”. The herewith screen is shown:
Press and briefly hold stylus on the center of the target.
Repeat as the target moves around the sceen.
Fig. 17: Touch screen calibration screen
2. By pressing and soft hold the PT400 pointer on the central point of the cross cursor
(see Fig. 17) move the cursor to the four corners of display
3. Switch off and thane turn on the meter by means of ON/OFF key to complete the
operation
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5.2. REAL TIME VALUES
Fig. 18: MENU GENERAL screen - Real time values section
In this section the real time measured values of parameters both on input channels and internally calculated are shown by meter. In particular are shown the AC TRMS voltages, currents and all kind of electrical parameters for any single phase and total, Flicker values and voltages Unbalanced, voltage and current waveforms for any single phase and total, voltage and current harmonics up to 64th component for any single phase and total both in numerical and histograms graphical format in absolute or percentage value with respect to each fundamental signal and vectorial diagrams of each voltage and current with the respective phase angles in order to define the correct nature of system loads under test.
5.2.1. Real time values
As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system. Further in this manual the expression “Page x/y” will be used, to indicate that the current page number (x) and the total number of pages (y) depend on the instrument settings. Pr ess ing cy cli cal ly F1 key or arrow keys left of right the meter shows the other pages of TRMS measured values which are described in below pictures. Pressing ESC key to go back to previous screens or back to GENERAL MENU
PARAMETERS CAPTION V1N Phase-Neutral voltage L1 phase V2N Phase-Neutral voltage L2 phase V3N Phase-Neutral voltage L3 phase VNPE Neutral-Ground voltage V12 Phase L1 – Phase L2 voltage V23 Phase L2 – Phase L3 voltage V23 Phase L3 – Phase L1 voltage NEG% Un balance percentage of negative tern ZERO%  Unbalance percentage of zero tern SEQ phases sequence indication as: ”123” = > Corrected ”132” = > Reversed ”023” = > Null voltage on the Black wire ”103” = > Null voltage on the Red wire ”120” = > Null voltage on the Brown wire ”100” = > Null voltage on the Red and Brown wires ”020” = > Null voltage on the Black and Brown wires ”003” = > Null voltage on the Black and Red wires Hz  Frequency I1 Current on L1 phase I2 Current on L2 phase I3 Current on L3 phase IN Current on Neutral (not avail. for PQA400)
Fig. 19: Page of numerical values
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PARAMETERS CAPTION: Pact Total Active Power Preact Total Reactive Power Papp Total Apparent Power Pf Total Power Factor CosPhi Total Power factor considering fundamental of voltage and current signals
Fig. 20: Page of total power values
PARAMETERS CAPTION: V1N Phase-Neutral voltage L1 phase I1 Current on L1 phase Pact1 Active Power L1 phase Preact1 Reactive Power L1 phase Papp1 Apparent Power L1 phase Pf1 Power factor L1 phase CosPhi1 Power factor between fundamental of voltage L1 and current L1
Fig. 21: Page of Phase 1 values
PARAMETERS CAPTION: V2N Phase-Neutral voltage L2 phase I2 Current on L2 phase Pact2 Active Power L2 phase Preact2 Reactive Power L2 phase Papp2 Apparent Power L2 phase Pf2 Power factor L2 phase CosPhi2 Power factor between fundamental of voltage L2 and current L2
Fig. 22: Page of Phase 2 values
PARAMETERS CAPTION: V3N Phase-Neutral voltage L3 phase I3 Current on L3 phase Pact3 Active Power L3 phase Preact3 Reactive Power L3 phase Papp3 Apparent Power L3 phase Pf3 Power factor L3 phase CosPhi3 Power factor between fundamental of voltage L3 and current L3
Fig. 23: Page of Phase 3 values
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PARAMETERS CAPTION: Pst1’ Short term severity after 1 minute Pst Short term severity Pstmax Maximum short term severity Plt Long term severity Pltmax Maximum long term severity Recording Time real time duration of recording expressed in HH:MM
Fig. 24: Page of Flicker values
PARAMETERS CAPTION: Eact Total active energy consumed when starting recording. Ppeak  Maximum peak of consumed active power. Date Ppeak Date and time in which the peak occurred. Start rec.  Date when recording was started. Stop rec. Date when recording was stopped. Rec. Time Time elapsed from Rec Start. Int. Per.  Value of the set integration period. Rec  Number of the recording in progress
Fig. 25: Consumed energy page
CAUTION
The Total Consumed Energy page is shown only if the instrument has been set for the Recording of the General Parameter Total “Active Power & Energy” (see § 5.4.6.1). Values will be shown only during or at the end of a recording and zeroed upon starting a new recording or when the instrument is switched off
PARAMETERS CAPTION: Eact Total active energy produced when starting recording. Ppeak  Maximum peak of produced active power. Date Ppeak Date and time in which the peak occurred. Start rec.  Date when recording was started. Stop rec. Date when recording was stopped. Rec Time Time elapsed from Rec Start. Int. Per.  Value of the set integration period. Rec  Number of the recording in progress
Fig. 26: Producted energy page
CAUTION
The Total Produced Energy page is shown only if recording parameter “Co­generation” has been set in the instrument (see § 5.4.5) and if general parameter Total “Active Power & Energy” has been selected (see § 5.4.6.1). Values will be shown only during or at the end of a recording and zeroed upon starting a new recording or when the instrument is switched off.
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PARAMETERS CAPTION: AVGV Average value voltage V1, V2, V3 AVGI Average value current I1, I2, I3 AVGPact Average value active power on L1, L2, L3 AVGPreact Average value reactive power on L1,L2,L3
Fig. 27: Page of numerical average values
CAUTION
The AVERAGE RMS VALUES page will be shown only if option AVERAGE VALUES “YES” is enabled in the Advanced Settings section (see § 5.3.2.5)
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5.2.2. SCOPE waveforms screens
Starting from a any page of numerical values it’s possible to select waveforms screens of the input signals by pressing F2 key (or touch SCOPE at display). By pressing cyclically F1 key the below screens are shown by meter.
As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system
Simultaneous waveforms of voltages V1, V2, V3 and neutral voltage Vn (for three
phase 4-wire system and single phase), with their TRMS values as shown in below screens:
Fig. 28: Voltage waveforms screen for 4-wire systems
Simultaneous waveforms of currents I1, I2, I3 and neutral current In (for three phase 4-
wire system – not available for PQA400), with their TRMS values as shown in below screens:
Fig. 29: Current waveforms screen for 4-wire systems
Waveforms of signals on L1 phase, with their TRMS values, as below shown:
Fig. 30: Voltage/Current waveforms screen L1 phase for 4-wire and 3-wire systems
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Waveforms of signals on L2 phase, with their TRMS values, as below shown:
Fig. 31: Voltage/Current waveforms screen L2 phase for 4-wire systems
Waveforms of signals on L3 phase, with their TRMS values, as below shown:
Fig. 32: Voltage/Current waveforms screen L3 phase for 4-wire systems
In Manual mode inside Advanced Settings (see § 5.3.2.1) a customisation of full scale of voltage and current graphic is possible in order to improve the resolution on readings. In this situation pressing arrow keys ZOOM in or ZOOM out for increase or decrease the value of desired full scale. Press F2 key to change from current full scale to voltage full scale. Press ESC key (or the smart icon ) to quit waveforms screens and go back to TRMS real time values screen.
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5.2.3. HARM analysis screens
Starting from any page of numerical values it’s possible to enter harmonics numerical values and histogram graphics screens section for voltage and current input signals by pressing F2 key (or touch HARM at display). By pressing cyclically F1 key the below screens are shown by meter.
As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system.
Harmonics values of V1, V2, V3 voltages and neutral voltage Vn (for three phase 4-
wire system – not available for PQA400), currents I1, I2, I3 and neutral current In (for three phase 4-wire system) with THD% values both with histogram graphics and with numerical values in percentage or absolute value, (see § 5.3.2.3 as below shown. The positive value means the condition of absorbed harmonics (mains  loads direction) while the negative value means the condition of generated harmonics (loads mains direction)
Fig. 33: Harmonic analysis of voltages in percentage value for 4-wire systems In all case the full scale of graphs is automatically set from meter depending on measured values.
Change to currents screens by pressing F2 key (or touch “HARM I” at display). By
pressing F1 key (or the PAGE at display) the screens of total values and each phase currents I1, I2, I3 and In (for 4-wire and single phase systems). The main screens are below shown:
Fig. 34: Harmonic analysis of currents percentage/absolute for 4-wire systems
Change to screens of numerical values tables of harmonics voltages and currents up to
64th both percentage and absolute value (see § 5.3.2.3) by pressing F3 key (or touch “TABLE” at display), as shown in below pictures:
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Fig. 35: Harmonic analysis voltages in percentage value for 4-wire systems
Fig. 36: Harmonic analysis currents in percentage value for 4-wire systems
Press F3 key to back to graphical screens and F2 key to change voltages’ or currents’ screens. Press F4 key or the up and down arrows (or touch the “HARM PAG” at display) to show the screens relative to other harmonics orders up to 64th. Harmonics values of single V1, V2, V3 voltages and neutral voltage Vn and single
currents I1, I2, I3 and neutral current In (for three phase 4-wire system – not available for PQA400) with THD% values both with histogram graphics and with numerical values in percentage or absolute value depending on the desired settings. These values are shown in four pages selectable by pressing cyclically the F1 key (or touch the “PAGE” at display). On Fig. 37 and Fig. 38 are display as an example, the situation relative to L1 phase for voltage and current on 4-wire systems is shown in the next pictures:
Fig. 37: Harmonic analysis voltage V1 in percentage values for 4-wire system
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Fig. 38: Harmonic analysis of current I1 in percentage/absolute values for 4-wire system
5.2.4. Vectorial diagrams screens
Starting from a any page of numerical values it’s possible to select the vectorial diagrams screens of voltage and currents by pressing F4 key (or touch “VECTORS” at display). The aim of this feature is to show, with numerical and graphical indications, the phase angles, expressed in degree [°] between the three voltages V1, V2 and V3 and the currents I1, I2 and I3 in order to understand in each moment the inductive or capacitive loads nature of electrical installations. As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system. By pressing cyclically F1 key the below screens are shown by meter:
Vectorial diagram total of phase angles among V1, V2, V3 and between V1-I1, V2-I2,
V3-I3 more than indication of percentage values of “NEG%” e “ZERO%” parameters (see § 10.5):
The vectorial diagram of single voltages depending on the type of selected systems as
shown in below screens:
Fig. 39: Vectorial diagram total for 4-wire system
Fig. 40: Vectorial voltage diagram for 4-wire system
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The vectorial diagram of voltage and current for each phase depending on the type of
system as shown in below screens:
Fig. 41: Vectorial current diagram for 4-wire system
Fig. 42: Vectorial voltage/current diagram L1 phase for 4-wire system
Pressing ESC key (or smart icon at display) to exit from each screen and back to the previous one.
The vectors of voltages are referred to the external circle on each diagram
CAUTION
and the vectors of current are referred to second circle. The vectors’ sizes are designed so that the vector of maximum amplitude can touch the circle and the other vectors are scaled with respect to it proportionally to their amplitude.
The rotation positive reference associated at each vectorial diagram is
clockwise.
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5.3. ANALYZER SETTINGS
Fig. 43: Analyzer settings screen
Inside this section the meter permits to perform basic and advanced selections relative to the type of electrical installation under test. In particular it is possible to
Select the type of system, the frequency, the kind of current clamp, the full scale of
current clamp and the VT ratio of external voltage transformer which can be connected with meter (Analyser Configuration)
Setting the Manual mode for the customisation of full scale on graphic screen of Real
Time section, the type of harmonic to be shown on screens, the percentage or absolute values of harmonics, the harmonics zoom, the average calculation of voltages, currents, active and reactive powers (Advanced Settings).
We suggest use of icons and in order to perform a complete interaction with the meter.
5.3.1. Analyzer Configuration screen
Inside the “Analyzer configuration” section a screen depending on the type of system selected by user during the last operation is shown by meter: The instrument is granted
for a correct measurement only in connection with the following electrical systems:
Three phase system 4WIRE (Three phase four wire WYE system + ground) – ENG &
ENG_UK
Three phase system 3WIRE (Three phase system three wire WYE (no Neutral) +
ground) – ENG & ENG_UK
Three phase system ARON (Three phase system three wire DELTA ARON - 2
wattmeter method + ground) – ENG & ENG_UK
SINGLE phase system (phase + neutral+ ground) – ENG & ENG_UK Three phase system 4-wire “3PHL (Three phase four wire DELTA system with center
tapped high leg + ground – USA systems (ENG & ENG_UK)
Two phase system 3-wire “3POY (Open WYE three wire system with 2 transformer
windings + ground)” – USA systems (ENG & ENG_UK)
Three phase system 3-wire “3POD” (Open DELTA three wire system with 2
transformer windings + ground)” – USA systems (ENG & ENG_UK)
Two phase system 3-wire “3P2E (Three phase three wire system without
Voltage/current sensor on phase L3 + ground )” – USA systems (ENG & ENG_UK)
Two phase system 3-wire “1Ph3W” (Split phase + ground) – USA systems (ENG &
ENG_UK)
CAUTION
Changing the language form ENGLISH to ENGLISH_UK the colour of the input cables is modified for any system
Below the possible screens of above systems’ options are described:
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Fig. 44: Analyzer configuration screen for 4-wire system – ENG type
Fig. 45: Analyzer configuration screen for 4-wire system – ENG_UK type
Fig. 46: Analyzer Configuration screen for 3-wire system – ENG type
Fig. 47: Analyzer Configuration screen for 3-wire system – ENG_UK type
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Fig. 48: Analyzer Configuration screen for ARON system – ENG type
Fig. 49: Analyzer Configuration screen for ARON system – ENG_UK type
Fig. 50: Analyzer Configuration screen for Single phase system – ENG type
Fig. 51: Analyzer Configuration screen for Single phase system – ENG_UK type
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Fig. 52: Analyzer Configuration screen for Two phase system 3-wire 1Ph3W – ENG type
Fig. 53: Analyzer Configuration screen for 2-phase system 3-wire 1Ph3W – ENG_UK type
Fig. 54: Analyzer Configuration screen for Two phase system 3-wire 3P 2E – ENG type
Fig. 55: Analyzer Configuration screen for 2-phase system 3-wire 3P 2E – ENG_UK type
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Fig. 56: Analyzer Configuration screen for Three phase system 3-wire 3P OD – ENG type
Fig. 57: Analyzer Configuration screen for 3-phase system 3-wire 3P OD – ENG_UK type
Fig. 58: Analyzer Configuration screen for Three phase system 4-wire 3P HL – ENG type
Fig. 59: Analyzer Configuration screen for 3-phase system 4-wire 3P HL – ENG_UK type
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Fig. 60: Analyzer Configuration screen for Two phase system 3-wire 3P OY – ENG type
Fig. 61: Analyzer Configuration screen for 2-phase system 3-wire 3P OY – ENG_UK type
1. Move the cursor using arrows keys on field relative to “System”, marked with blue
background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to select the type of system
choosing among “4-WIRE”, “3-WIRE”, “ARON” or “SINGLE” options.
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also after turning off the meter.
4. Press ESC key (or the smart icon
) to quit without saving any modification.
5.3.1.1. Setting system frequency
1. Move the cursor using arrows keys on field relative to “Freq[Hz]”, marked with blue
background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to select the system
frequency choosing between 50Hz or 60Hz options. This parameter is relevant ONLY if the input voltage not permits to recognize the frequency value (for example, only the clamps for the current measurement are connected). In this case the instrument generates an internal synchronism equal to the value of the set frequency.
3. Press SAVE or ENTER keys (or the smart icon
) to save the selected option and
confirm by “Ok”. This selected parameter will be present also after turn off the meter.
4. Press ESC key (or the smart icon ) to quit without saving any modification.
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5.3.1.2. Setting clamp type
This parameter must be always set equal to the clamp type used. Two types of clamps are available:
STD: For Standard clamps or Current Transformer. FLEX: For Flexible clamps
1. Move the cursor using arrows keys on field relative to “Clamp Type”, marked with blue
background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to select clamp type
choosing between STD or FLEX options.
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also after turn off the meter.
4. Pressing ESC key (or the smart icon ) to quit without saving any modification.
5.3.1.3. Setting full scale of clamps The value of this parameter must be always equal to the full scale of the current clamps used to take the measurement. In case multi-scale clamps are used, the value of
this parameter must be equal to the scale selected on the clamps.
1. Move the cursor using arrows keys on field relative to “Clamps F S [A]” , marked it with
blue background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to select the desired full
scale. In case of STD clamps any value can be set by using F3 or F4 keys (alternatively touch MOD(+) o MOD(-)). In case of FLEX clamp only 300A or 3000A options are possible.
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also after turning off the meter.
4. Pressing ESC key (or the smart icon ) to quit without saving any modification.
5.3.1.4. Setting VT ratio
The meter can be interfaced also with step-down transformers in the equipment under test. It can display the value of he voltages present on the primary winding of these transformers. To do this it will be necessary to set the value of the transformers’ windings ratio.
1. Move the cursor using arrows keys on field relative to “VT Ratio” , marked it with blue
background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) for selec tion of desired value
from 1 to 3000. Leave the default value “1” if no voltage transformer is present on installation.
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also after turning off the meter.
4. Press ESC key (or the smart icon ) to to quit without saving any modification.
5.3.2. Advanced Settings screen
By pressing F2 key (or touch the “ADVANCED” at display) in any screen of “Analyzer Configuration” section, below screen is shown by meter:
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Fig. 62: Advanced Settings screen
In the above screen is possible to select advanced options which have effect in Real Time values screens of meter.
5.3.2.1. Zoom graphics option
This option permits to select a customized full scale on each phase of voltage and current waveforms (see Fig. 30, Fig. 31, Fig. 32) in order to better the resolution of readings.
1. Move the cursor using arrows keys on field relative to “Zoom graphics”, marked wit h
blue background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to select one of below
options:
MANUAL: define a customized full scale for waveforms’ visualization choosing
among the available values. A value included from 2.0A to 5000kA it’s set for current and included from 2.0V to 2000kV it’s set for voltage.
AUTO: the full scale values are automatically modified by the meter
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also the turn off of meter.
4. Press ESC key (or the smart icon ) to quit without saving any modification
5.3.2.2. Harmonics type option
This option permits to select the type of harmonics which can be shown inside Real Time values section.
1. Move the cursor using arrows keys on field relative to “Harm. type” , marked it with
blue background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to select one of below
options:
ALL: The meter shows all the harmonics up to the 64th.  EVEN: The meter shows all the even harmonics up to the 64th  ODD: The meter shows all the odd harmonics up to the 64th
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also the turn off of meter.
4. Press ESC key (or the smart icon ) to quit without saving any modification.
CAUTION
Not depending on selected harmonics type for the visualization, the meter can performs the recording of all values in any case.
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5.3.2.3. Harmonics values option
This option permits to select the value of harmonics which can be shown inside Real Time values’ section.
1. Move the cursor using arrows keys on field relative to “Harm. values” , marked it with
blue background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to select one of below
options:
ABSOLUTE: The meter shows the harmonics in absolute values (in V unit for
voltages and A unit for currents).
PERCENTAGE: The meter shows the harmonics in percentage value respect each
fundamental.
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also the turn off of meter.
4. Press ESC key (or the smart icon ) to quit without saving any modification.
CAUTION
Independently of the harmonics value selected for display, the meter can perform the recording of absolute values anyway.
5.3.2.4. Zoom with respect to the 1st harmonic option
This option permits to show harmonics graphics with a zoom relative to the first harmonic order (fundamental) or with a zoom relative to the highest amplitude harmonic inside the Real Time values section. Also in this case the aim is to better the final resolution of graphics.
1. Move the cursor using arrows keys on field relative to “Zoom 1st harm” , marked it
with blue background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to select one of below
options:
YES: The meter performs the graphics zoom respect to the first harmonic  NO: The meter performs the graphics zoom respect to the highest amplitude
harmonics except for the first harmonic. This option is active only if the zoom graphic option (see 5.3.2.1) is set on AUTO mode
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also the turn off of meter.
4. Press ESC key (or the smart icon ) to quit without saving any modification.
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5.3.2.5. Average value option
This option, available for 4-wire systems only, permits to display the arithmetic average of TRMS values of:
Phase voltages V1, V2, V3. Phase currents I1, I2, I3. Active power on each phase P1, P2, P3.
The result is shown on Page 9/9 of numerical TRMS value (see Fig. 27).
1. Move the cursor using arrows keys on field relative to “Average values” , marked it
with blue background.
2. Use F3 or F4 keys (alternatively touch MOD(+) o MOD(-)) to select one of below
options:
YES: The meter shows the page 9/9 of average values inside Real Time Values
section only for 4-wire systems.
NO: The meter does not shows the page 8/8 of average values inside Real Time
Values section.
3. Press SAVE or ENTER keys (or the smart icon ) to save the selected option and
confirm by “Ok”. This selected parameter will be present also the turn off of meter.
4. Press ESC key (or the smart icon ) to quit without saving any modification.
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5.4. RECORDING SETTINGS
Fig. 63: Recording Settings screen selection
In this section the meter permits to define any detail relative to start and stop of recordings, perform parameters selection for recording, the type of analysis to be carried out very easily thanks to “touch screen” display. The use of smart icons and is particularly recommended in this section.
5.4.1. Recording settings screen
This screen is designed with some levels and sub-levels as a typical tree Windows structure in order to reach with extreme details the desired options. After selection of “Recording settings” icon, see the below screen is shown:
Fig. 64: Recording settings screen
Using up and down arrows keys or touching directly the items at display the selection/disable of internal flags inside check box is possible. Clic k on check box with “+” symbol to cause an expansion of structure with the opening of a new sub-level inside which new selections are possible. Click on check box with “-” symbol to go back to master level. The displayed selection/disable of parameters is performed in the following way:
Grey text and empty check box  Node completely disabled.  Black text and empty check box  Node partially selected.  Black text and selected check box  Node completely selected.
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The bottom bar of display included the below functions, relative to F1, F2, F3, F4 keys:
CLP/EXP: Used to collapse or expand the sub-levels. PREDEF.: Used to open the typical configuration section (see § 5.4.12). SEL: Used to select or disable parameters inside various levels. MODIFY: Used to perform any parameters modify inside various levels
On the bottom of display the number of selected parameters and the recording autonomy, expressed in days and hours, is shown by meter. These s are dynamically
updated from meter depending on the parameters selection.
5.4.2. Comments
These option permits to insert a short comment row at display which will compare also in print report downloaded from meter to PC. This comment text is set both using standard TopView software (for any information please refer to software Help on line) and by using the virtual keyboard on meter which is activated by pressing F4 key (or the MODIFY at display). The flag of this option is always active and not disabled.
5.4.2.1. Use of virtual keyboard
With the Comments: marked in blue background at display press F4 key (or the MODIFY at display). The below screen is shown at display:
Fig. 65: Virtual keyboard screen
The keys’ description of the above keyboard is shown in the below table:
Keys Description
a, b,c,…z
Cap
123
Sb
Standard small letters keyboard for digit comments up to 25 characters
Capital letters keyboard AZ is shown Numerical 09 besides mathematic operation symbols
(+,-,*,/,.,=) keyboard is shown Special symbols keyboard is shown. By pressing “abc” key to go back to standard small letter keyboard Special symbols with special stress keyboard are shown.
àž
Press “abc” key to go back to standard small letter keyboard
<-
Backspace key to cancel character on the left of the cursor
Table 1: Description of function key of virtual keyboard
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5.4.3. Start and Stop
These items permits to define the method to enable and disable the recordings with meter (see § 5.4.13). The possible options are:
Manu: Each recording is enabled/disabled in MANUAL mode by pressing GO/STOP
key.
Auto: Each recording is enabled/disabled in AUTOMATIC mode, starting from a setting
and valid date/hour by preliminary pressing of GO/STOP key.
The default configuration is always the MANUAL mode and the flags of these s are not disable. To change from MANUAL mode to AUTO mode (see § 5.4.13.1) performs the below steps:
1. Move the cursor using arrows keys on the field relative to “Start:Manu” or
“Stop:Manu”, marked with blue background.
2. Press F4 key (alternatively touch the MODIFY at display). In the bottom of display a
command bar with “Manu” is shown.
3. Press F3 key (MOD(+)) or F4(MOD(-)) and select “Auto” .
4. Use left or right arrows keys to moving on date and hour fields. Using the up arrow key
or F3 (MOD(+)) key to increase the value and the down arrow key or F4 (MOD(-)) key to decrease the value.
5. Press SAVE or ENTER keys (or the smart icon ) to save the settings. The Automatic
mode and the set date/hour are shown at display.
5.4.4. Integration period
This option permits to set the integration period (see § 10.8.1) which is the time interval between two sequential recordings within the global duration of measurements. The flag of this option is always active and not disabled.
1. Move the cursor using arrows keys on field relative to “Integration period” , marked it
with blue background.
2. Press F4 key (alternatively touch the MODIFY at display). In the bottom of display a
command bar with “Integration Period” is shown.
3. Press F3 key (MOD(+)) or F4(MOD(-)) or up and down keys to set the desired
integration period choosing among the below values: 1s, 5s, 10s, 30s, 1min, 2min, 5min, 10min, 15min, 30min, 60min.
4. Press SAVE key or ENTER key (or the smart icon ) to save the settings. The
integration period value is shown at display.
5.4.5. Cogenerations
The selection of this , effected both by using up or down arrows keys and directly selecting the flag at display, enters the values of powers and energies generated (co-generation) in the list of recorded parameters (see § 10.7.1).
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5.4.6. General Parameters
This option permits the selection of network parameters for recording operation. This level included several sub-level for a detailed selection depending on the type of system on test (see § 5.3.1). Depending on the selection performed, different error screen can be shown by meter. The below situations are possible:
Fig. 66: General Parameters section: no selection
The Fig. 66 shows the situation which the error due to no parameters selection is performed also if the “General Parameters” is selected at display. Please note the text on grey background and the not selected check box. In this situation other type of analysis as Harmonics, Voltage Anomalies, Flicker, etc.. are not possible. Pressing F3 key (or touch “SEL” at display) to exit from this error condition. In this order the flag of “General Parameters” check box it will be selected and the below screen (with black text background) is shown:
Fig. 67: General Parameters section: selected parameters
In example of the above picture 32 parameters are been selected on total of maximum 251
available and the correspondent autonomy is shown automatically by meter in this case.
CAUTION
The “General Parameters” check box activated flag, automatically select the main electrical parameters whose number depends on the selected system (Voltages, Currents, Frequency, Power Factor, Active, Reactive, Apparent Powers, Active, Reactive, Apparent Energies). The failure to select “General Parameters” flag automatically doe not select the above parameters.
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The opposite situation is the error due to a too many selected parameters. In this case the below screen is shown:
Fig. 68: General Parameters section: too many selected parameters
In the above screen (see Fig. 68) the harmonics' selection brought about too many selected parameters (more than 251). Not select some parameters to quit this situation.
CAUTION
The choose of a electrical for recording often increase the number of selected parameters more than one unit only. In particular:
Frequency 1 selected parameter. Voltage from 1 to 7 selected parameter depend on system. Current from 1 to 4 selected parameter depend on system. Powers and Energies  from 1 to 8 selected parameter depend on
system and Cogenerations.
Power Factor  from 1 to 8 selected parameter depend on system and
Cogeneration.
Harmonics: THD and DC  from 1 to 8 selected parameter depend on
system.
Harmonics Odd  from 25 to 100 selected parameter depend on
system.
Harmonics Even  from 24 to 96 selected parameter depend on
system.
Voltage Anomalies  no selected parameters. Flicker from 1 to 3 selected parameter depend on system. Unbalance 1 selected parameter.
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PQA823 - PQA824 - PQA400
5.4.6.1. General Parameters: sub-levels description
Press F1 key (or touch CLP/EXP at display) to expand or compress the sub-levels. The parameters inside sub-levels are strictly depending on type of selected system (see §
5.3.1 ). As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system.
Fig. 69: General Parameters sub-level – Three phase 4-wire system
Each parameter is always selectable independent from others. The below parameters can be selected for recording in Single phase systems:
Parameters Description
Frequency Frequency of phases L1, L2, L3 Voltages
TRMS voltages L1-N, L2-N, L3-N, N-PE
TRMS voltages L1-L2, L2-L3, L3-L1 Currents TRMS currents L1, L2, L3, Neutral Active Power & Energy Active power and energy L1, L2, L3, Total
Reactive Power & Energy
Reactive (inductive or capacitive) power and energy
L1, L2, L3, Total Apparent Power & Energy Apparent power and energy L1, L2, L3, Total Power Factor Power factor L1, L2, L3 Total
CosPhi
Power factor referred to fundamental of voltage and
current L1, L2, L3, Total
Table 2: Selectable parameters for Three phase 4-wire system
Press SAVE or ENTER keys (or the smart icon ) to save each selection and confirm by “Ok”. The main screen of Fig. 63 is shown by meter at the end of the operation. Press ESC key (or the smart icon ) to quit without saving and back to previous screens.
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5.4.6.2. Harmonics: sub-levels description
Press F1 key (alternatively touch CLP/EXP at display) to expand or compress the harmonics sub-levels. The parameters inside sub-levels are strictly depending on type of selected system (see § 5.3.1). Below there are some pictures of different possible situations:
Fig. 70: Harmonics sub-levels: initial parameters selection
Inside Harmonics level there is another sub-level where an accurate selection of harmonic parameters is possible. Move the cursor on “Odd” or “Even” using arrows key and press F1 key (or touch CLP/EXP at display). The result, referred to Odd harmonics is below shown:
Fig. 71: Harmonics sub-levels: odd harmonics selection
Press F3 key (alternatively touch SEL at display) to select/unselect the desired parameters. The number of selected and recording autonomy are automatically updated from meter (see § 10.2):
Press SAVE or ENTER keys (or the smart icon ) to save each selection and confirm by “Ok”. The main screen of Fig. 63 is shown by meter at the end of the operation. Press ESC key (or the smart icon ) to quit without saving and back to previous screens.
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PQA823 - PQA824 - PQA400
The selection parameters of harmonic analysis require the preliminary selection of voltages or currents inside General Parameter sub-level. The below error screen are shown in these cases:
Fig. 72: No selected currents error screen
To solve the error (see Fig. 72) situation of above screen select the “Current” inside “General Parameter” sub-level (see § 5.4.6.1).
Fig. 73: No selected voltages error screen
To solve the error (see Fig. 73 situation of above screen select the “Voltages” inside “General Parameter” sub-level (see § 5.4.6.1).
5.4.7. Voltage Anomalies
This option permits to set the control parameters relative to voltage anomalies (sags, swell, supply breaks – see § 10.1) recording which is completely independent from periodic analysis (regulated by integration period). The below screen is shown by meter:
Fig. 74: Voltage Anomalies selection screen
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Press F4 key (alternatively touch MODIFYat display) for setting the below voltage anomalies parameters:
Reference nominal voltage Vref depending on the type of considered system. In
particular Vref = VP-N (Single phase and three phase 4-wire systems), Vref = VP-P (three phase 3-wire and ARON systems)
The higher threshold percentage of reference nominal voltage, selectable from 1% to
30% for voltage swell detection.
The lower threshold percentage of reference nominal voltage, selectable from 1% to
30% for voltage sags or breaks detection.
Fig. 75: Voltage Anomalies screen - setting control parameters
1. Move the cursor using arrows keys on field relative to “ Voltage Anom.” , marked it with blue background.
2. Use up or down arrow keys or press F3 or F4 keys (alternatively touch the MOD(+) or MOD(-) s at display) to setting the correspondent value. Pressing and holding of these keys permits a rapid values setting, while the single pressure increase or decrease on only unit the value. Use left or right arrow keys to move on various fields.
3. Press SAVE or ENTER keys (or the smart icon ) to save each performed setting.
CAUTION
The nominal reference value should be set depending on the type of considered system on test and the measured voltage. A message “Wrong Vref voltage anomalies” at the recording start is shown by meter which do not permits the recording operation due to this wrong configuration (e.g.: 4­wire system and Vref = 400V). Set the correct value in this case.
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5.4.8. Inrush current (only PQA82x)
This option permits to set the control parameters relative to recording of inrush current events (see § 10.3) which is completely independent from periodic analysis (regulated by integration period). The below screen is shown by meter:
Fig. 76: Inrush currents selection screen
Press F4 key (alternatively touch MODIFY at display) to set the below parameters for recording of inrush currents:
The value of current threshold which is correspondent to detection and recording of
inrush current event from meter. This value cannot exceeded the full scale which is selected for the clamp type used for current measurements (see § 5.3.1.3).
The value of the inrush current detection time interval expressed in seconds. Possible
values which can be set are 1s, 2s, 3s and 4s.
The detection type of inrush currents events. The fix mode (the event is detected
whenever the input current value is over the set threshold) or var mode (the event is detected if the difference between two instantaneous values in a half period exceed the set threshold) are possible.
Fig. 77: Inrush current screen - setting control parameters
1. Move the cursor using arrows keys on field relative to “Inrush curr ent” , marked it with blue background.
2. Use up or down arrow keys or press F3 or F4 keys (alternatively touch the MOD(+) or MOD(-) s at display) to set the correspondent value. Pressing and holding these keys permits a rapid values setting, while the single pressure increases or decreases the value by one single unit. Use left or right arrow keys to move on various fields.
3. Press SAVE or ENTER keys (or the smart icon
) to save each performed setting.
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5.4.9. Flicker (only PQA82x)
This option permits to set control parameters relative to flicker value recordings on the input voltages in compliance to IEC/EN61000-4-15 standard (see § 10.4). In particular the below parameters are shown by meter:
Pst1’ = short term severity at 1 min. Pst = short term severity for all recording duration. Plt = long term severity for all recording duration.
The below screen is shown:
Fig. 78: Flicker setting screen For flicker recording at least one voltage selection and a correct integration period are necessary conditions. In particular if no voltage are selected the below error screen is shown by meter:
Fig. 79: Flicker setting screen - no selected voltage See the § 5.4.6 to exit from this error situation. In case of integration period setting value less of 1 minute or higher to 15 minutes the below error screen is shown by meter:
Fig. 80: Flicker setting screen - wrong period for flicker
See the § 5.4.4 to exit from this error situation.
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Press SAVE or ENTER keys (or the smart icon ) to save each selection and confirm by “Ok” . The main screen of Fig. 63 is shown by meter at the end of the operation. Press ESC key (or the smart icon ) to quit without saving and go back to previous screens.
5.4.10. Unbalance
The selection of this option include on selected parameters list for recording the value of NEG% and ZERO% s which are index of unbalance of input voltage signal respective to negative tern and zero term (see § 10.5). “Unbalance” is not shown for single phase systems.
5.4.11. Spike (only PQA824)
This option permits to set the control parameters relative to recording of voltage fast transients (spike) events (see § 10.6) with 5s resolution which is completely independent from periodic analysis (regulated by integration period). The below screen is shown by meter:
Fig. 81: Spike setting screen Press F4 key (alternatively touch MODIFY at display) for setting the parameter for detection and recording of voltage spikes. In particular is possible to set:
The value of voltage threshold to detection and recording the voltage spike event from
meter. This value s selectable from 100V and 5000V value.
Fig. 82: Spike screen - setting control parameter
1. Move the cursor using arrows keys on field relative to “Spike” , marked it with blue
background.
2. Use up or down arrow keys or press F3 or F4 keys (alternatively touch the MOD(+) or
MOD(-) s at display) to set the correspondent value. Pressing and holding of these keys permit a rapid values setting, while the single pressure increase or decrease on only unit the value.
3. Press SAVE or ENTER keys (or the smart icon ) to save each performed setting.
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5.4.12. Predefined configurations
In order to make the recording start easier the meter includes 5 selectable predefined configurations which describe typical situation in electrical installations, besides a “Default” configuration which defines the initial settings from the factory. The meter also permits to define up to 14 free configuration which can be customized, saved and recalled by user at any time. The selection of one of these configurations automatically sets only the necessary parameters for recording operation under that circumstance. The predefined configurations are:
1. DEFAULT: Setting parameters of default configuration from the exit of meter by
factory.
2. EN50160: Setting parameters for networks quality recording (voltage anomalies,
harmonics, flicker, unbalance and spikes) in compliance to EN50160 standard (see §
10.2.2) (only PQA82x)
3. VOLTAGE ANOMALIES: Setting parameters for voltage anomalies recording only
(sags, swells, breaks – see § 10.1).
4. HARMONICS: Setting parameters for voltages and currents harmonic analysis (see §
10.2).
5. INRUSH: Setting parameters inrush current events detection (only PQA82x)
6. POWER & ENERGY: Setting parameters for power and energy measures (see § 10.7). Pressing F2 key (or touch PREDEF. at display) in any “Recording Settings” screen. The
meter show the below screen:
Fig. 83: Typical configuration screen
Select the desired typical configuration using up or down arrow keys or touch display. Press SAVE or ENTER keys (or the smart icon
) to save the desired selection. The warning message ”Change recording setting?” is shown by meter. Press “Ok” to confirm. The meter automatically sets the parameters and updated the recording autonomy at display.
To add a predefined customized configuration press the F1 key (or the ADD at display). The warning message “Add actual configuration” is shown by meter. Press “Ok” to confirm and activate automatically the virtual keyboard (see § 5.4.2.1) where it’s possible to define and save the configuration name by user. At the end of these operations the following screen is shown by meter:
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Fig. 84: Typical customized configuration screen
In the example of Fig. 84 the typical customized configuration called “GENERIC PLANT” was defined and can be loaded by pressing the SAVE or ENTER keys (or the smart icon
). This configuration cab be removed in any time by pressing F2 key (or the REM at display). The warning message “Delete selected configuration?” is shown by meter. Press “Ok” to complete the operation. Please note that the 5 predefined configuration and the DEFAULT configuration cannot be removable by user.
Press ESC (or the smart icon ) to quit without saving any modify. Below the selected parameters for each of predefined configuration are shown:
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EN50160 (only PQA82x)
GENERAL MENU PARAMETER SETTINGS SYSTEM
System
Freq[Hz]
Analyzer Settings
Analyzer Settings - Advanced
Recording Settings
Clamp Type
FS Clamp[A]
VT Ratio
Zoom Graphics
Harm. Type
Harm. Values Zoom 1st Harm. Average Values
Comments EN50160
Start Not modified Stop Not modified
Integration period 10min
Cogeneration OFF
General Parameters
V1N, V2N, V3N, Average (if
Voltage harmonics THD, DC, h1, h2, h3…h25 Current harmonics OFF Voltage anomalies ON
Ref. Voltage anomalies
Up threshold anomalies +6%
Low threshold anomalies -10%
Inrush current
(only PQA82x)
Flicker ON
Unbalance
Spike (only PQA824) ON (150V) Each system
Not modified Each system
Each system
V1N, Hz Single phase
V12,V23, V31, Hz ARON
V1-PE, V2-PE, V3-PE
V12, V23, V31, Hz
activated), Hz
230V Single, 4-wire 400V 3-wire, ARON
OFF
Not available Single phase
ON 3/4-wire, ARON
3-wire 4-wire
Each system
Each system
Table 3: Selected parameters of EN50160 configuration
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VOLTAGE ANOMALIES
GENERAL MENU PARAMETER SETTINGS SYSTEM
System
Freq[Hz]
Analyzer Settings
Analyzer Settings - Advanced
Recording Settings
Clamp Type
FS Clamp[A]
VT Ratio
Zoom Graphics
Harm. Type
Harm. Values Zoom 1st Harm. Average Values
Comments VOLTAGE ANOMALIES
Start Not modified Stop Not modified
Integration period 1min
Cogeneration OFF
General Parameters
Voltage harmonics OFF Current harmonics OFF Voltage anomalies ON
Ref. Voltage anomalies
Up threshold anomalies +6%
Low threshold anomalies -10%
Inrush current (only
PQA82x)
Flicker OFF
Unbalance
Spike (only PQA824) ON (150V) Each system
Not modified Each system
Each system
V1N, VN-PE, Hz Single phase
V12, V23, V31, Hz 3-wire, ARON
V1N, V2N, V3N, VN-PE,
Average (if activated), Hz
230V Single, 4-wire 400V 3-wire, ARON
OFF
Not available Single phase
ON 3/4-wire, ARON
4-wire
Each system
Each system
Table 4: Selected parameters of VOLTAGE ANOMALIES configuration
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HARMONICS
GENERAL MENU PARAMETER SETTINGS SYSTEM
System
Freq[Hz]
Analyzer Settings
Analyzer Settings - Advanced
Recording Settings
Clamp Type
FS Clamp[A]
VT Ratio
Zoom Graphics
Harm. Type
Harm. Values Zoom 1st Harm. Average Values
Comments HARMONICS
Start Not modified
Stop Not modified
Integration period 10min
Cogeneration OFF
General Parameters
Voltage harmonics THD, DC, h1, h2, h3…h25 Current harmonics THD, DC, h1, h2, h3…h25 Voltage anomalies OFF
Ref. Voltage anomalies
Up threshold anomalies OFF
Low threshold anomalies OFF
Inrush current (only
PQA82x)
Flicker OFF
Unbalance
Spike (only PQA824) OFF Each system
Not modified Each system
Each system
V1N, VN-PE, I1, Hz Single phase
V1-PE, V2-PE,
V3-PE, V12, V23, V31
I1, I2, I3, Hz
V12, V23, V31
I1, I2, I3, Hz
V1N, V2N, V3N, VN-PE,
I1, I2, I3, IN (only
PQA82x), Hz
OFF Single, 4-wire OFF 3-wire, ARON
OFF
Not available Single phase
OFF 3/4-wire, ARON
3-wire
ARON
4-wire
Each system
Each system
Table 5: Selected parameters of HARMONICS configuration
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INRUSH
GENERAL MENU PARAMETER SETTINGS SYSTEM
System
Freq[Hz]
Analyzer Settings
Analyzer Settings Advanced
Recording Settings
Clamp Type
FS Clamp[A]
VT Ratio
Zoom Graphics
Harm. Type
Harm. Values
Zoom 1st Harm.
Average Values
Comments INRUSH
Start Not modified Stop Not modified
Integration period 1s
Cogeneration OFF
I1, I2, I3, IN (only PQA82x), Hz
P1, Q1i, Q1c, S1, Pf1, Cosphi1,
General Parameters
Voltage harmonics THD, DC, h1, h2, h3…h15 Current harmonics THD, DC, h1, h2, h3…h15 Voltage anomalies ON
Ref. Voltage anomalies
Up threshold anomalies +6%
Low threshold anomalies -10%
Inrush current (only
PQA82x)
Flicker OFF
Unbalance
Spike (only PQA824) OFF Each system
Pt, P1, P2, P3, Qti, Qti1, Qti2, Qti3,
Qtc, Qtc1, Qtc2, Qtc3, St, S1, S2, S3,
Pft, Pf1, Pf2, Pf3, Cosphit, Cosphi1,
Cosphi2, Cosphi3, Eat,Eat1, Eat2,
Eat3, Erit, Eri1, Eri2, Eri3, Erct, Erc1,
Pt, P12, P32, Qti, Q12i, Q32i, Qtc,
Q12c, Q32c, St, S12, S32, Pft, Pf12,
Pf32, Cospht, Cosphi12, Cosphi32,
Eat, Ea12, Ea32, Erit, Eri12, Eri32,
Not modified Each system
Each system
V1N, VN-PE, I1, Hz Single phase
V1-PE, V2-PE,
V3-PE, V12, V23, V31
I1, I2, I3, Hz
V12, V23, V31
I1, I2, I3, Hz
V1N, V2N, V3N, VN-PE
Ea1, Eri1, Erc1
Erc2, Erc3
Erct, Erc12, Erc32
230V Single, 4-wire 400V 3-wire, ARON
ON (10A, 1s, var)
Not available Single phase
ON 3/4-wire, ARON
3-wire
ARON
4-wire
Single phase
3-wire, 4-wire
ARON
Each system
Each system
Table 6: Selected parameters of START-UP configuration
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PQA823 - PQA824 - PQA400
POWER & ENERGY
GENERAL MENU PARAMETER SETTINGS SYSTEM
System
Freq[Hz]
Analyzer Settings
Analyzer Settings Advanced
Recording Settings
Clamp Type
FS Clamp[A]
VT Ratio
Zoom Graphics
Harm. Type
Harm. Values
Zoom 1st Harm.
Average Values
Comments POWER & ENERGY
Start Not modified Stop Not modified
Integration period 15min
Cogeneration ON
V12, V23, V31, I1, I2, I3, Hz V12, V23, V31, I1, I2, I3, Hz ARON
V1N, V2N, V3N, V12, V23, V31,I1, I2, I3,
P1, Q1i, Q1c, S1, Pf1, Cosphi1, Ea1,
General Parameters
Voltage harmonics OFF Current harmonics OFF Voltage anomalies OFF
Ref. Voltage anomalies
Up threshold anomalies OFF
Low threshold anomalies OFF
Inrush current (only
PQA82x)
Flicker OFF
Unbalance
Spike (only PQA824) OFF Each system
Pt, P1, P2, P3, Qti, Qti1, Qti2, Qti3, Qtc,
Qtc1, Qtc2, Qtc3, St, S1, S2, S3, Pft,
Pf1, Pf2, Pf3, Cosphit, Cosphi1,
Cosphi2, Cosphi3, Eat,Eat1, Eat2, Eat3,
Erit, Eri1, Eri2, Eri3, Erct, Erc1, Erc2,
Pt, P12, P32, Qti, Q12i, Q32i, Qtc, Q12c,
Q32c, St, S12, S32, Pft, Pf12, Pf32,
Cospht, Cosphi12, Cosphi32, Eat, Ea12,
Ea32, Erit, Eri12, Eri32, Erct, Erc12,
Not modified Each system
Each system
V1N, I1 Single phase
V1-PE, V2-PE, V3-PE,
IN (only PQA82x), Hz
Eri1, Erc1
Erc3
Erc32
OFF Single, 4-wire OFF 3-wire, ARON
OFF
Not available Single phase
OFF 3/4-wire, ARON
Single phase
3-wire, 4-wire
Each system
Each system
3-wire
4-wire
ARON
Table 7: Selected parameters of POWER & ENERGY configuration
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DEFAULT CONFIGURATION
GENERAL MENU PARAMETER SETTINGS
System 4-wire
Freq[Hz] 50
Analyzer Settings
Analyzer Settings Advanced
Recording Settings
Down threshold anomalies -10%
Clamp Type FLEX
FS Clamp[A] 3000
VT Ratio 1
Zoom Graphics AUTO
Harm. Type ALL
Harm. Values ABSOLUTES
Zoom 1st Harm. YES
Average Values NO
Comments DEFAULT
Start Manu
Stop Manu
Integration period 15min
Cogeneration OFF
V1N,V2N,V3N,VN-PE,V12,V23,V31,
I1, I2, I3, IN (only PQA82x), Hz
Pt, P1,P2,P3, Qti, Qi1, Qi2, Qi3, Qtc, Qc1,
General Parameters
Voltage harmonics THD, DC, h1, h2, h3…h11 Current harmonics THD, DC, h1, h2, h3…h11 Voltage anomalies ON
Ref. Voltage anomalies 230V
Up threshold anomalies +6%
Inrush current (only
PQA82x)
Flicker OFF
Unbalance ON
Spike (only PQA824) ON (150V)
Qc2, Qc3, St, S1, S2, S3, Pft, Pft1, Pft2, Pft3,
Cosphit, Cosphi1, Cosphi2, Cosphi3, Eat,
Ea1, Ea2, Ea3, Erit, Eri1, Eri2, Eri3, Erct,
Erc1, Erc2, Erc3
OFF
Table 8: Parameters of default configuration
CAUTION
The DEFAULT configuration defines the selection of parameters on meter from the factory, as shown in Table 8. Each new modification performed and saved by the user on “Analyser Settings” section replaces this configuration with new selection which can be different from the default standard.
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5.4.13. Start a recording
The meter is designed to start a recording in MANUAL or AUTOMATIC mode (see § 5.4.3) by pressing of GO/STOP key. A recording operation can be started exclusively under the following screens:
MENU GENERAL (with any selected icon).  Real Time Values (in any internal screen).
Fig. 85: Example of screens for recording starting
Before starting a recording press ESC key (or the smart icon ) until you get a picture as shown in Fig. 85.This operation can be performed in the below ways:
MANUAL: Recording will start at the following minute after pressing GO/STOP key.  AUTO: After the (necessary) pressing of GO/STOP key the meter stands-by
until the set Date/Hour (see § 5.4.3) and then start automatically the recording.
The waiting and recording run status are marked by meter with dedicated icons which are present on the top right of display, as shown in below picture:
Fig. 86: Meter waiting for recording Fig. 87: Meter in recording run
Press again GO/STOP key to stop the recording run in any time. The icon shown in Fig. 87 disappear.
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CAUTION
For recordings ALWAYS use the external power supply even though the instrument allows the operator to perform a recording using internal batteries.
After starting a recording a preliminary real time evaluation about the situation on electrical installation it’s important in order to perform a correct settings, using the predefined configurations (see § 5.4.12) if necessary. The below warning message can be shown by meter after pressing of GO/STOP key:
Warning
Too many selected parameters
Fig. 88: Warning message of too many selected parameters
In this case of too many parameters were selected it is necessary to disable them inside “Recordings Settings” section in order to start a correct recording. After pressing GO/STOP key a possible warning message window is shown by meter. Inside this window message the internal item can be different as for type and number. This warning message, which does not block the recording start, is important for user to correct possible errors performed during meter’s setting:
Warning
Missed external adapter Wrong phase sequence
Negative active powers Wrong Vref voltage anomalies
Ok
Cancel
Fig. 89: Warning message errors screen
Below the meaning of the above s of warning windows screen:
Type of error Description
Missed external adapter
Connect the external adapter to meter before start recording The value of “SEQ” parameter in Real Time Values
Wrong phase sequence
section (see § 5.2.1) is different from the correct “123”. Check the phase sequence value of V1, V2, V3 voltages One or more values of P1, P2, P3 Active Powers is negative (see § 5.2.1). Reversing if necessary the
Negative active powers
transducer clamps of 180 degrees on phase cables in order to obtain always positive values (except cogeneration cases) The nominal reference voltage value for voltage
Wrong Vref voltage anomalies
anomalies is not compliance to the type of selected system (see § 5.4.7)
Table 9: Description of errors before start a recording
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Depending on the type and number of errors, the necessary modifications of setting parameters should be performed. Press GO/STOP key again to start recording and verify the possible residual error on window message.
Confirm with ENTER or press “Ok” or “Cancel” keys to close the warning window message and start the recording by pressing GO/STOP key anyway.
As the default value of the integration periods is set at 15min (see § 10.8.1) the meter will store data in the temporary memory for this time. Afterwards the meter will process the results saved in the temporary memory and will save the first series of values in the definitive memory. Therefore, if an integration period of 15 minutes has been set, the recording will continue for about 15 minutes before producing a series of recorded values
CAUTION
Let the meter record for at least one integration period in order to save a valid value. If the recording is interrupted before the selected integration period has completely elapsed the data stored in the temporary memory will not be processed and the corresponding series of values won’t be transferred to the definitive memory.
5.4.13.1. Automatic start of recording
To start a recording under automatic mode a preliminary definition of a correct starting Date/Hour, compatible with system date, is needed inside “Recorder Settings” section (see
§ 5.4). The below screen is shown:
Fig. 90: Correct Date/Hour Fig. 91: Wrong Date/Hour
1. Move the cursor using arrows keys on field relative to “Start” (and or the “Stop” ), marked them with blue background.
2. Press F4 key (alternatively touch the MODIFY at display). In the bottom of display a command bar with “Manu” is shown. Press F3 key (MOD(+)) or F4(MOD(-)) and select “Auto” .Use left or right arrows keys to move on date and hour fields. Using the up arrow key or F3 (MOD(+)) key to increase the value and the down arrow key or F4 (MOD(-)) key to decrease the value. Set a correct Date/Hour as shown in Fig. 90.
3. Press SAVE or ENTER keys (or smart icon
) to saving the settings. The screen of Fig. 91 is shown if a wrong Date/Hour is set. Under this condition the SAVE key does not have any effect. Repeat the steps 2 and 3 and set corrects values before pressing SAVE key again.
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5.4.14. During a recording
After a recording is running, a real time check of parameters’s values and internal status is shown by meter.
Fig. 92: Recording Results screen - Recording running
1. Select “Recording Results” in GENERAL MENU.
2. Pressing ENTER or touch the correspondent icon at display. The below screen is shown:
Fig. 93: Info recording running screen
3. The below information are included in the above screen:
Recording autonomy, in Days/Hours, of meter with the currents selections per formed. Comments included in the relative section (see § 5.4.2). Type of recording start. Type of recording stop. Real time information about integration period performed by meter. Enable of cogeneration. Number of recorded voltage anomalies. Enable or disable of Flicker (only PQA82x) Enable or disable of Inrush Current (only PQA82x). Detection of voltage Spikes (only PQA824). Type of selected system. Type of used clamp. Full scale of used clamp. Ratio of eventual external VT used.
4. Pressing ESC key (or the smart icon ) to quit from the above screen.
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Each recording running is stopped and results are automatically saved by meter by pressing of GO/STOP key or as soon as the date/hour of automatic stop is reached.
The only “Real Time Values” section is available during a recording
CAUTION
running. The message “Menu not available in recording” is shown by meter if any section is selected. Stop recording pressing GO/STOP key before select any section.
ON/OFF key is disabled during a recording running. The message “
Recording running. Not available function” is shown by meter. Stop recording pressing GO/STOP key before pressing this key.
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5.5. SAVED DATA MANAGEMENT SECTION
Fig. 94: GENERAL MENU - Saved Data Management
The “Saved Data Management” section allows the user to check the content of the internal memory after recording, to delete previous recordings and possibly to copy a recording (one at a time) on an external USB Pen Driver connected to the instrument. By pressing the ENTER key or selecting the icon on the display, the instrument shows the following screen:
Fig. 95: Saved data
The instrument performs the following types of recordings: Reg type: Recordings performed and saved automatically, both in manual and
automatic mode, of each analysis (Periodics, Harmonics, Voltage Anomalies, Flickers, etc…) by pressing the GO/STOP key.
Istant type: Instant samplings of the values displayed (numerical, waveforms,
harmonics, etc…) performed by pressing the SAVE key. Each line of the “Saved Data Management” screen includes, further to the type of data saved in the memory, also the information on the starting and stopping date of the event, respectively “Time1” and “Time2” for Reg-type recordings, while date and time are indicated for Istant instant sampling. The following operations are possible only on the screen in Fig. 95:
1. Use the up and down arrow keys to highlight (blue background) one of the recordings
on the screen. Press the F1 key (or the INFO item on the display). The instrument shows the screen containing the main information regarding the recording performed as described in chapter 5.5.1.
2. Press the F3 key (or the CANC.ULT item on the display) to delete the last saved
recording. The instrument shows the message “Delete last recording?”. Confirm the operation with “Ok” or “Cancel” to go back to the screen.
3. Press the F4 key (or the CANC.TOT item on the display) to delete all recordings in
the memory. The instrument shows the message “Delete all recordings?”. Confirm the operation with “Ok” or “Cancel” to go back to the previous screen.
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5.5.1. Recording analysis (Reg type)
This page shows the analyses which can be performed on the saved data (Reg type).
Fig. 96: Recording analysis (Reg-type data)
1. Use the up and down arrow keys to highlight on blue background one of the analyses
on the screen. Press the F1 or ENTER key (or the OPEN item or the smart icon on the display) to confirm the type of analysis to be performed.
2. Press the ESC key (or the smart icon ) to exit the function and go back to the “Saved
data” page (Fig. 95).
5.5.1.1. Recording information
This page contains general information about the recording (Reg) file previously selected in the Saved Data Management MENU.
Fig. 97: Recording info
1. In these conditions, the F1 key (or the MODIFY key on the display) is active and it is
possible to modify and save the comment line by using the virtual keyboard (see §
5.4.2.1).
2. Press the ESC key (or the smart icon ) to exit the function and go back to the
“Recording analysis” page (Fig. 96).
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5.5.1.2. Recording graph
By selecting the recording graph option, the following page is accessed, which enables the user to display the recording trend (ONLY ONE parameter at a time).
Fig. 98: Selecting a parameter
1. Press the F1 key (or the PARAM item on the display) to access the page containing
the recorded quantities available for the analysis (Fig. 99).
Fig. 99: Parameter selection
The following keys are active on this page:
The up and down arrow keys move the cursor along the quantity tree The F1 key (or the CMP/EXP item on the dislay) compresses and expands the tree of
the quantity highlighted by the cursor The F2 key (or the SEL item on the dislay) selects or deselects the parameter
highlighted by the cursor The ENTER key (or the smart icon on the display) confirms the selection previously
made and displays the graph of the selected parameter (Fig. 100) The CANC key deselects the parameter previously selected, independently from the
position of the cursor The ESC key (or smart icon ) to exit the function and go back to the “Selecting a
parameter” page (Fig. 98).
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This page shows the graph, the cursor position (cursor T) and the maximum, minimum and average RMS values of the parameter selected by the cursor.
Fig. 100: Recording graph
The following keys are active on this page: F1 key (or PARAM item on the display) to access the page of the selectable
parameters (Fig. 99) F4 key (or OPTIONS item on the display) to access the page for the activation of the
“Advanced graph” (Fig. 101) The ESC key (or smart icon ) to exit the function and go back to the “Recording
analysis” page (Fig. 96).
2. Press the F4 key (or the OPTIONS item on the display) to access the page for the
activation of the Advanced graph (Fig. 101).
Fig. 101: Options (Advanced graph)
The following keys are active on this page: The F3 and F4 keys (or the MOD(+) and MOD(-) items on the display) enable the user
to choose YES or NO for the advanced graph.
The ENTER key (or the smart icon on the display) confirms the selection previously
made.
The ESC key (or smart icon ) to exit the function and go back to the “Selecting a
parameter” page (Fig. 98).
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Example of advanced graph.
Let us take a recording of 2000 pixels into consideration. The PQA has a display with a useful resolution of about 200 pixels; therefore, it is not able to distinctly display all the pixels in our recording. How does it operate then? The first pixel in the graphs of the curves “Max value”, “Average value” and “Min value” will be the analysis of the 10 first corresponding pixels of the recording, i.e.:
- For the Max value graph, the highest value of the 10 recorded values for the
corresponding channel will be displayed.
- For the Min value graph, the lowest value of the 10 recorded values for the
corresponding channel will be displayed.
- For the Average value graph, the first value of the 10 recorded values for the
corresponding channel will be displayed.
Similarly, the second pixel will be the analysis of the following 10 pixels, and so on until the whole graph is generated.
3. Press the ESC key (or the smart icon ) to exit the function and go back to the
“Selecting a parameter” page (Fig. 98).
5.5.1.3. Dips ans swells
This page shows a table containing all voltage anomalies occurred during recording.
Fig. 102: Dips ans swells
Column description:
N.: Progressive number of the anomaly. L.: Phase in which the anomaly occurred. Date/Time: Date/time at which the anomaly occurred. Max/Min: Maximum/minimum value of the anomaly. Duration: Duration of the anomaly. Type: Type of anomaly (voltage reduction or overvoltage).
The following keys are active on this page:
The up and down arrow keys move the cursor along the voltage anomalies. The up and down arrow keys move the column display to the right or to the left. The F1 key (or the PAG item on the display) advances to the following page of voltage
anomalies (to be selected with the F3 or F4 key or through the items MOD (+) or MOD (-) on the display).
The F2 key (or the PARAM item on the display) accesses the page showing the
settings for voltage anomalies (Fig. 103).
The ESC key (or smart icon ) to exit the function and go back to the “Recording
analysis” page (Fig. 96).
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This page shows the parameters set before recording voltage anomalies:
Fig. 103: Voltage Anomalies
The following non-modifiable parameters are indicated (as they have been set upon starting the recording).
Nominal Voltage: Nominal voltage. High Voltage: Limit high voltage. Low Voltage: Limit low voltage.
TV: Transformation ratio of the voltage transformers. This page also shows the total number of voltage anomalies occurred (Number of Anomalies).
The following keys are active on this page:
The up and down arrow keys move the cursor alternatively on Type or Phase. The F3 and F4 keys (or the MOD(+) and MOD(-) items on the display) enable the user
to filter the anomalies to be selected. It is possible to select All, Up, Down, Int (if the cursor highlights Type) and All, Phase1, Phase2, Phase3 (if the cursor highlights Phase).
The ENTER key (or the smart icon on the display) confirms the selection previously
made and displays the table of voltage anomalies.
The ESC key (or the smart icon ) to exit the functions and go back to the “Anomalies”
page (Fig. 102).
5.5.1.4. Fast transient
This page shows a table reporting all transients, i.e. all those phenomena which are associated to phase voltage, characterized by:
Fast variations of the voltage waveform slope. Exceeding of a limit threshold defined by the user before recording.
Fig. 104: Fast transients
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Column description:
N.: Progressive number of the transient.
L.: Phase in which the transient occurred.
Date/Time: Date/time at which the anomaly occurred.
Peak+: Max. positive value reached by the transient during the observation interval.
Peak-: Min. negative value reached by the transient during the observation interval.
Delta+: Max. relative positive range reached by the transient during the
observation interval.
Delta-: Min. relative negative range reached by the transient during the
observation interval.
Type: Type of transient (Up/Down).
F/S: Transient speed (Fast if dV/dt >100V/5s, Slow if dV/dt >100V/78s).
The following keys are active on this page:
The up and down arrow keys move the cursor along the transients. The up and down arrow keys move the column display to the right or to the left. The F1 key (or the PAG item on the display) advances to the following page of
transients (to be selected with the F3 or F4 key or through the items MOD (+) or MOD (-) on the display).
The F2 key (or the PARAM item on the display) accesses the page showing the
settings for transients (Fig. 105).
The ESC (or the smart icon ) to exit the function and go back to the “Recording
analysis” page (Fig. 96).
This page shows the parameters set before recording voltage transients:
Fig. 105: Fast transients parameters
The following values are indicated:
Limit: set voltage threshold.
This page also shows the total number of transients occurred (Events). The following keys are active on this page:
 The up and down arrow keys move the cursor alternatively on Type, Phase or F/S.  The F3 and F4 keys (or the MOD(+) and MOD(-) items on the display) enable the user
to filter the transients to be selected. It is possible to select All, Up, Down (if the cursor highlights Type); All, Phase1, Phase2, Phase3, Neutral (if the cursor highlights Phase); All, Fast, Slow (if the cursor highlights F/S).
The ENTER key (or the smart icon on the display) confirms the selection previously
made and displays the table of voltage transients.
The ESC key (or the smart icon ) to exit the functions and go back to the “Fast
transients” page (Fig. 104).
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5.5.1.5. Inrush currents
This page shows a table containing all inrush currents occurred during recording.
Fig. 106: Inrush currents
Column description:
N.: Progressive number of the inrush current.
L.: Phase in which the inrush current occurred.
Date/Time: Date/time at which the inrush current occurred.
Max[A]: Maximum value reached by the inrush current.
The following keys are active on this page:
The up and down arrow keys move the cursor along the inrush currents. The up and down arrow keys move the column display to the right or to the left. The F1 key (or the PAG item on the display) advances to the following page of inrush
currents (to be selected with the F3 or F4 key or through the items MOD (+) or MOD (-) on the display).
The F2 key (or the PARAM item on the display) accesses the page showing the
settings for inrush currents (Fig. 107).
The F3 key (or the GRAPH item on the display) accesses the page showing the graph
for the inrush current selected (Fig. 108).
The ESC key (or the smart icon ) to exit the function and go back to the “Recording
analysis” page (Fig. 96).
This page shows the parameters set before recording inrush currents:
Fig. 107: Inrush current parameters
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The following data are indicated:
Type: Type of measurement set:
Fix: The instrument has detected and saved an event when the current's
RMS value, calculated in each half-period, exceeded the value of the threshold defined by the user. Var: The instrument has detected and saved an event each time the current's RMS value, calculated in each half-period, exceeded the previous RMS value (i.e. the RMS value calculated in the previous half-period) by a quantity equal to the threshold defined by the user.
Limit: Set current threshold.
Duration: Set observation interval. This page also shows the total number of inrush currents occurred (Number of Inrush
Currents).
The following keys are active on this page: The F3 and F4 keys (or the MOD(+) and MOD(-) items on the display) enable the user
to filter the inrush currents to be selected. It is possible to select All, Phase1, Phase2, Phase3, Neutral.
The ENTER key (or the smart icon on the display) confirms the selection previously
made and displays the table of inrush currents.
The ESC key (or the smart icon ) to exit the function and go back to the “Inrush
currents” page (Fig. 106).
This page shows the graph, the cursor position, the maximum/minimum current and voltage values, the current and voltage value relative to the cursor position of the selected inrush current.
Fig. 108: Inrush current graph
The following keys are active on this page:
The F1 key (or the SEL V,I item on the dislay) shows the voltage and current graph. The F2 key (or the SEL V item on the dislay) shows the voltage graph. The F3 key (or the SEL I item on the dislay) shows the current graph. The right and left arrow keys move the cursor to the right or to the left along the graph. The ESC key (or the smart icon on the display) to exit the function and go back to the
“Inrush currents” page (Fig. 106).
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5.5.1.6. EN50160
This page shows a table containing all values according to standard CEI EN50160.
Fig. 109: EN50160 analysis result
Column description:
Param: The percentages of the values are indicated, which must be within the
limits set in Limits. Example: Hz 100% means that the 100% of the frequency values recorded must be within a range of 1%, -1% of the
frequency nominal value. OK: YES indicates that the analysis is successful, NO indicates that the analysis is not successful.
p%@Lim: Percentage of the measured values which is within the set limits. Min: Minimum measured value. Max: Maximum measured value. Limits: Set reference limits.
The following keys are active on this page:
The up and down arrow keys move the cursor along the different quantities. The up and down arrow keys move the column display to the right or to the left. The F1 key (or the PARAM item on the display) accesses the page showing the
settings (Fig. 110).
The F2 key (or the GRAPH item on the display) accesses the page showing the
histogram for the quantities in the table (Fig. 111).
The ESC key (or the smart icon on the display) to exit the function and go back to the
“Recording analysis” page (Fig. 96).
This page contains the global result of the EN50160 analysis, the connection condition of the system and the parameters set before recording.
Fig. 110: Parameters set for EN50160 analysis
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The following data are indicated:
Nominal Voltage: Set nominal voltage. High Voltage: Limit high voltage. Low Voltage: Limit low voltage. Frequency: System frequency. This page also shows the total number of voltage anomalies occurred (Number of Anomalies).
The following keys are active on this page: The F3 and F4 keys (or the MOD(+) and MOD(-) items on the display) enable the user
to choose YES or NO for the interconnected system.
The ENTER key (or the smart icon on the display) confirms the selection previously
made and displays the table of the values according to standard CEI EN 50160.
The ESC key (or the smart icon on the display) to exit the function and go back to the
“EN50160 analysis result” page (Fig. 109).
This page shows:
The global result of the analysis, in red if Non-Ok and in green if Ok.  The quantity histogram. The green bar indicates that the parameter complies with
standard EN50160, while the red bar indicates that the parameter does not comply with the standard.
Fig. 111: EN50160 analysis histogram
The following keys are active on this page: The up and down arrow keys move the vertic al bar up or down, thus enabling the user
to display the EN50160 analysis quantity histogram.
The ESC key (or the smart icon on the display) to exit the function and go back to the
“EN50160 analysis result” page (Fig. 109).
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5.5.1.7. Analysis of consumed energy
This page shows the Energy and Peak power values consumed while recording
Fig. 112: Screen of total consumed energy
Description of the displayed values:
Eact: Total active power consumed while Recording. Ppeak: Max. active power peak (measured on 16 periods of mains frequency)
consumed while recording
Date Ppeak: Date and time in which the power peak occurred Start rec.: Starting date of the recording Stop rec.: Stopping date of the recording Rec. Time Recording time expressed in days (d), hours (h) and minutes (m) Int. Per: Set integration period value
CAUTION
The Total Consumed Energy page is shown only if general parameter Total “Active Power & Energy” has been recorded (see § 5.4.6.1).
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5.5.1.8. Analysis of producted energy
This page shows the Energy and Peak power values producted while recording
Fig. 113: Screen of total producted energy
Description of the displayed values:
Eact: Total active power produced while Recording. Ppeak: Max. active power peak (measured on 16 periods of mains frequency)
produced while recording
Date Ppeak: Date and time in which the power peak occurred Start rec.: Starting date of the recording Stop rec.: Stopping date of the recording Rec. Time Recording time expressed in days (d), hours (h) and minutes (m) Int. Per.: Set integration period value
CAUTION
The Total Produced Energy page is shown only if general parameter Total “Active Power & Energy” has been recorded (see § 5.4.6.1) and if the recording parameter “Co-generation” has been enabled (see § ).
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5.5.2. Recording analysis (Istant type)
This page shows the analyses which can be performed on the saved data (Istant type).
Fig. 114: Recording analysis (Istant-type data)
1. Use the up and down arrow keys to highlight on blue background one of the analyses on the screen. Press the F1 or ENTER key (or the OPEN item or the smart icon on the display) to confirm the type of analysis to be performed.
2. Press the ESC key (or the smart icon on the display) to exit the function and go back to the “Saved data” page (Fig. 95).
5.5.2.1. Recording information
This page contains general information about the saved (Istant) file previously selected in the Saved Data Management MENU.
Fig. 115: Recording info
1. In these conditions, the F1 key (or the MODIFY key on the display) is active and it is possible to modify and save the comment line by using the virtual keyboard (see §
5.4.2.1).
2. Press the ESC key (or the smart icon on the display) to exit the function and go back to the “ Reco r d i ng an a l y sis” p a g e (Fig. 114).
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5.5.2.2. Graph
This screen (Fig. 116) contemporarily shows the saved instant values of the waveforms of voltages V1, V2, V3, Vn scaled according to the Full scale (Fs) and the relevant RMS values; these values have been saved by the instrument upon pressing the SAVE key. As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system
Fig. 116: Voltage scope in three-phase 4-wire system The following keys are active on this page: The up (ZOOM+) or down (ZOOM-) arrow keys zoom in or out the displayed
waveforms.
The F1 key (or the PAG item on the display) advances to the following page of saved
current values.
The ESC key (or the smart icon on the display) to exit the function and go back to the
“Recording analysis” page (Fig. 114).
5.5.2.3. Harmonics analysis
This screen (Fig. 117) displays the harmonic values and the THD% value of voltages V1, V2, V3, Vn and of currents I1, I2, I3 and of Neutral current In in a graph (scaled according to the Full scale Fs) or in a table. The values displayed are percentage values of the fundamental or absolute values according to the configuration set in the ANALYZER CONFIGURATION
MENU -> ADVANCED. As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system
Fig. 117: Total harmonics in three-phase 4-wire system
Should only the voltage signals or only the current signals be connected to the instrument’s inputs, all displayed harmonics will be shown in the upper half plane of the graph. If both voltage and current signals are connected to the instrument’s inputs, the histogram bars representing the harmonics will be shown respectively:
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In the upper half plane of the graph if the harmonics are introduced into the relevant
electrical system from the mains.
In the lower half plane of the graph if the harmonics are injected into the relevant electrical
system from the mains.
The following keys are active on this page:
The up (ZOOM+) or down (ZOOM-) arrow keys zoom in or out the histogram. The right and left arrow keys move the cursor to the right or to the left along the
harmonics.
The F1 key (or the PAG item on the display) advances to the following page of saved
values, relative to phase 1 harmonics.
The F2 key (or the ARM V or ARM I item on the dislay) switches between total voltage
and current harmonics.
The F4 key (or the ARM PAG item on the display) displays the following harmonics
group. 0..4, 10..16, 22..28, 34..39..40..46..52..58..64.
The ESC key (or the smart icon on the display) to exit the function and go back to the
“Recording analysis” page (Fig. 114)
5.5.2.4. Vectors
As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system.Thi s screen (Fig. 118) displays, with graphic and numeric indications, the phase delays expressed in degrees [°] between:
Voltage V1 and V2, V2 and V3, V3 and V1. Voltage V1 and current I1 Voltage V2 and current I2 Voltage V3 and current I3
The latter allow finding out the inductive or capacitive nature of the electrical installation. In detail:
Positive angle: Inductive load. Negative angle: Capacitive load.
The N-PE voltage and Neutral current vectors are also represented.
Fig. 118: Total vector diagram in three-phase 4-wire system
The following keys are active on this page: The F1 key (or the PAG item on the display) advances to the following page of saved
values relative to the voltage vector diagram.
The ESC key (or the smart icon on the display) to exit the function and go back to the
“Recording analysis” page (Fig. 114).
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5.5.2.5. Measures
As an example, below are shown the screens relative to a three phase 4-wire system. Similar consideration can be applied to any other selected system. In m e a s u r e m od e , t h e in s t r u m e n t displays the saved values in TRMS as shown in the following figures:
In this page, the following symbols are used: V1N Neutral - Phase L1 Voltage V2N Neutral - Phase L2 Voltage V3N Neutral - Phase L3 Voltage VNPE Neutral - Ground Voltage V12 Phase L1 - Phase L2 Voltage V23 Phase L2 - Phase L3 Voltage V31 Phase L3 - Phase L1 Voltage Inv% % value of the Negative sequence unbalance Omo% % value of the Zero sequence unbalance SEQ Phase sequence:
”123” => Correct ”132” => Not correct ”023” => No Voltage on B1 ”103” => No Voltage on B2 ”120” => No Voltage on B3 ”100” => No Voltage on B2 and B3 ”020” => No Voltage on B1 and B3 ”003” => No Voltage on B1 and B2
Hz Frequency I1 Current on Phase L1 I2 Current on Phase L2 I3 Current on Phase L3 IN Neutral Current
Fig. 119: Page 1/5 of numeric values for three-phase 4-wire system
The following keys are active on this page: The F1 key (or the PAG item on the display) advances to the following page of saved
values.
The ESC key (or the smart icon on the display) to exit the function and go back to the
“Recording analysis” page (Fig. 114).
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5.5.3. Transfer recordings to a external Pen Driver USB
The meter permits to transfer of one or more saved recordings which are shown in Fig. 95 to a external Pen Driver USB directly connected to it (see Fig. 3). The below picture is shown by meter:
Fig. 120: Recording results screen with Pen Driver USB connected
Press F2 key (or the COPY now active at display). The below virtual keyboard screen, where the user can define the file name to save inside Pen Driver USB, is shown by meter:
Fig. 121: Definition of file name which is saved on Pen Driver USB
Press SAVE or ENTER keys (or the smart icon ) to confirm the file name or press ESC key (or the smart icon
) to exit without saving. In case of file just exist inside Pen Driver USB, the
below warning message is shown by meter:
Warning
File name already existing. Overwrite?
Ok
Cancel
Fig. 122: Confirm to overwrite file
Press “Ok” to overwrite the file name or “Cancel” to exit without modify. Press ESC key (or the smart icon ) to back to GENERAL MENU screen.
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PQA823 - PQA824 - PQA400
5.5.4. Saving recordings to external Compact Flash (only PQA82x)
The PQA82x meter permits to save the recordings also on external standard compact flash which are fitted on suitable input (see Fig. 3) after activating “EXTERNAL” option on Memory type (see § 5.1.7). The following is shown by meter:
Fig. 123: Example of use of external memory - compact flash not fitted
In the example of Fig. 123 a “POWER & ENERGY predefined configuration with an autonomy of 202d 16h in condition of compact flash not fitted was been considered. Insert compact flash on meter, exit from the above screen by pressing ESC key (or the smart icon ) and open again the same screen, the below screen is shown by meter:
Fig. 124: Example of use of external memory - compact flash fitted
The correspondent icon is shown by meter in the top of display after fitted the Compact Flash on meter and the value of autonomy is automatically updated at display (546d 23h in the example of Fig. 124).
CAUTION
The passage from internal memory (about 15Mbytes) to external memory with compact flash option permits to save a recording with size up to 32Mbytes independently on dimension in Mbytes size of compact flash.
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PQA823 - PQA824 - PQA400
5.6. METER INFORMATION
Inside this section the general internal parameters of meter are available as information from the user for example during any contact with Service people of HT ITALIA.
Fig. 125: Menu General screen – Meter information section
Press ENTER key or touch the correspondent icon at display. The below screen is shown by meter:
Fig. 126: Meter information screen
The following meaning of the items inside the above screen:
Item Description
Manufacturer Name of manufacturer
Model Name of model
Sn Serial number of meter Hw Internal Hardware version of meter Fw Internal Firmware version of meter
Calibration Date of last calibration performed
Selection of type of memory Internal or external memory
Battery charge level Percentage of charge level of battery
Press ESC key (or smart icon ) to back to GENERAL MENU screen.
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PQA823 - PQA824 - PQA400
6. CONNECTION OF METER TO PC (WITH WIN XP)
1. Install the TopView standard software on your PC.
2. Verify the presence of ActiveSync icon with grey background (not active) on the right bottom part of PC screen as shown in below picture:
Fig. 127: ActiveSync icon not active
3. Connect the meter to PC using the standard C2007 cable (USB “A” USB “B”) as shown in below screen:
COMPACT FLAS H
PQA400-PQA82x
C2007
Fig. 128: Connection of meter to PC
4. Verify the presence of ActiveSync icon with green background (active) on the right bottom part of PC screen as shown in below picture. Only in this order the connection of meter to PC is correct
Fig. 129: ActiveSync icon active
5. Run TopView software and click on “Instrument <-> PC connection” key. Press the “Select new instrument” key in software screen in order to acknowledge the name of connected meter, which is shown in the bottom status bar. Select “PQA823”, “PQA824” or “PQA400” model from the available list of meters only for the first connection.
6. Select the “Download data” command and pressing “Next” key in order to open the “Download” windows on software which the all saved data by meter are shown. Select one or more desired recordings and click on “Download” key.
7. Downloading procedure is start and the total recording analysis window is shown by software at the and of this operation.
For any detail about use please refer to TopView HELP ON LINE feature.
During a recording running is not possible to perform the download of data
CAUTION
to PC. Press GO/STOP key on meter to stop recording before download operation.
Let the meter always in GENERAL MENU screen to perform the dual
communication between meter and PC.
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PQA823 - PQA824 - PQA400
7. MEASURING PROCEDURES
7.1. USING OF METER IN A SINGLE PHASE SYSTEM – ENG TYPE
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
CAUTION
Fig. 130: Meter connection in a SINGLE phase system
CAUTION
If possible, before connecting the meter to the electrical equipment to be tested turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set SINGLE
system option.
2. Connect voltage test leads on Phase, Neutral and Ground cables considering the colours
as sh o w n in Fig. 130).
3. Connect the transducer current clamp on L1 Phase cable as shown in Fig. 130) respecting
the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens always verify the positive value of
Active Power and the power factor relative to load which should be normally inductive before starting a recording. Reverse the clamp by 180 degrees on cables in
case of negative readings.
4. Supply the electrical installation under test in case this was temporarily put out of
service for meter connection. The values of parameters are shown by meter at display in Real Time Values section (see § 5.2).
5. Press SAVE key if an instantaneous sample of display values (Instant) should be
saved (see § 5.5). Use HOLD function to stop the values at display if necessary.
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable
and disable a recording on meter (see § 5.4.13)
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PQA823 - PQA824 - PQA400
7.2. USING OF METER IN A SINGLE PHASE SYSTEM – ENG_UK TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 131: Meter connection in a Single phase system – ENG_UK type
CAUTION
If possible, before connecting the meter to the electrical equipment to be tested turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set SINGLE
system option.
2. Connect voltage test leads on Phase, Neutral and Ground cables considering the colours
as sh o w n in Fig. 131).
3. Connect the transducer current clamp on L1 Phase cable as shown in Fig. 131) respecting
the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens always verify the positive value of
Active Power and the power factor relative to load which should be normally inductive before starting a recording. Reverse the clamp by 180 degrees on cables in
case of negative readings.
4. Supply the electrical installation under test in case this was temporarily put out of
service for meter connection. The values of parameters are shown by meter at display in Real Time Values section (see § 5.2).
5. Press SAVE key if an instantaneous sample of display values (Instant) should be
saved (see § 5.5). Use HOLD function to stop the values at display if necessary.
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable
and disable a recording on meter (see § 5.4.13)
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PQA823 - PQA824 - PQA400
7.3. USING OF METER IN A 3-PHASE 4 WIRE SYSTEM – ENG TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 132: Meter connection in a three phase 4WIRE system – ENG type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 4WIRE
system option.
2. Connect voltage test leads on Phases L1, L2, L3, Neutral and Ground cables considering
the colours as shown in Fig. 132. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 and Neutral N cables as
shown in Fig. 132 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens always verify
the positive value of Active Power and the power factor relative to each load which should be normally inductive before starting a recording. Reverse the clamp by 180
degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service
for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved
(see § 5.5). Use HOLD function to stop the values at display if necessary.
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable
and disable a recording on meter (see § 5.4.13).
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PQA823 - PQA824 - PQA400
7.4. USING OF METER IN A 3-PHASE 4 WIRE SYSTEM – ENG_UK TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 133: Meter connection in a three phase 4WIRE system – ENG_UK type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 4WIRE
system option.
2. Connect voltage test leads on Phases L1, L2, L3, Neutral and Ground cables considering
the colours as shown in Fig. 133. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 and Neutral N cables as
shown in respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens always verify the
positive value of Active Power and the power factor relative to each load which should be normally inductive before starting a recording. Reverse the clamp by 180
degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service
for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved
(see § 5.5). Use HOLD function to stop the values at display if necessary.
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable
and disable a recording on meter (see § 5.4.13)
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PQA823 - PQA824 - PQA400
7.5. USING OF METER IN A THREE PHASE 3 WIRE SYSTEM – ENG TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 134: Meter connection in a three phase 3WIRE system
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3WIRE system option.
2. Connect voltage test leads on Phases L1, L2, L3, and Ground cables respecting the colours as shown in Fig. 134. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 cables as shown in Fig. 13 4 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens always verify the positive
value of Active Power and the power factor relative to load which should be normally inductive before starting a recording. Reverse the clamp by 180 degrees on
cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary.
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13).
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PQA823 - PQA824 - PQA400
7.6. USING OF METER IN A THREE PHASE 3 WIRE SYSTEM – ENG_UK TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 135: Meter connection in a three phase 3WIRE system – ENG_UK type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3WIRE system option.
2. Connect voltage test leads on Phases L1, L2, L3, and Ground cables respecting the colours as shown in Fig. 135. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 cables as shown in Fig. 13 5 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens always verify the positive
value of Active Power and the power factor relative to load which should be normally inductive before starting a recording. Reverse the clamp by 180 degrees on
cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary.
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
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PQA823 - PQA824 - PQA400
7.7. USING OF METER IN A THREE PHASE 3 WIRE ARON SYSTEM – ENG TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 136: Meter connection in a three phase ARON system – ENG type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set ARON system option.
2. Connect voltage test leads on Phases L1, L2, L3, and Ground cables considering the colours as shown in Fig. 136. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 cables as shown in Fig. 13 6 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire system
preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
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PQA823 - PQA824 - PQA400
7.8. USING OF METER IN A 3-PHASE 3 WIRE ARON SYSTEM – ENG_UK TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 137: Meter connection in a 3-phase ARON system – ENG_UK type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set ARON system option.
2. Connect voltage test leads on Phases L1, L2, L3, and Ground cables considering the colours as shown in Fig. 137. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 cables as shown in Fig. 13 7 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire system
preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
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EN - 91
PQA823 - PQA824 - PQA400
7.9. USING OF METER IN A 3-PHASE 4-WIRE 3PHL (USA SYSTEM) – ENG TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 138: Meter connection in a three phase 3PHL system – ENG type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3PHL system option.
2. Connect voltage test leads on Phases L1, L2, L3, N and PE cables considering the colours as shown in Fig. 138. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 and N cables as shown in Fig. 138 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire
system preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
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PQA823 - PQA824 - PQA400
7.10. USING IN A 3-PHASE 4-WIRE 3PHL (USA SYSTEM) – ENG_UK TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 139: Meter connection in a three phase 3PHL system – ENG_UK type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3PHL system option.
2. Connect voltage test leads on Phases L1, L2, L3, N and PE cables considering the colours as shown in Fig. 139. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 and N cables as shown in Fig. 139 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire
system preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
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EN - 93
PQA823 - PQA824 - PQA400
7.11. USING OF METER IN A 3-PHASE 3-WIRE 3POD (USA SYSTEM) – ENG TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 140: Meter connection in a three phase 3POD system
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3P OD system option.
2. Connect voltage test leads on Phases L1, L2, L3 and PE cables considering the colours as shown in Fig. 140. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 cables as shown in Fig. 140 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire system
preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
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PQA823 - PQA824 - PQA400
7.12. USING OF METER IN 3-PHASE 3-WIRE 3POD (USA SYSTEM) – ENG_UK TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 141: Meter connection in a three phase 3-wire 3POD system – ENG_UK type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3P OD system option.
2. Connect voltage test leads on Phases L1, L2, L3 and PE cables considering the colours as shown in Fig. 141. Verify the result “123” at display relative to a correct phase sequence indication (see § 5.2.1) and perform the corrections if necessary.
3. Connect the transducer current clamps on Phase L1, L2, L3 cables as shown in Fig. 141 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire system
preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
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EN - 95
PQA823 - PQA824 - PQA400
7.13. USING OF METER IN A 3 WIRE 3P2E (USA SYSTEM) – ENG TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 142: Meter connection in a two phase 3-wire 3P2E system – ENG type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3P 2E system option.
2. Connect voltage test leads on Phases L1, L2, N and PE cables considering the colours as show n in Fig. 142
3. Connect the transducer current clamps on Phase L1, L2, N cables as shown in Fig . 14 2 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire system
preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
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PQA823 - PQA824 - PQA400
7.14. USING OF METER IN A 3 WIRE 3P2E (USA SYSTEM) – ENG_UK TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 143: Meter connection in a two phase 3-wire 3P2E system – ENG_UK type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3P 2E system option.
2. Connect voltage test leads on Phases L1, L2, N and PE cables considering the colours as show n in Fig. 143
3. Connect the transducer current clamps on Phase L1, L2, N cables as shown in Fig . 14 3 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire system
preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
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EN - 97
PQA823 - PQA824 - PQA400
7.15. USING OF METER IN A 3 WIRE 3POY (USA SYSTEM) – ENG TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 144: Meter connection in a two phase 3-wire 3POY system – ENG type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3P OY system option.
2. Connect voltage test leads on Phases L1, L2, N and PE cables considering the colours as show n in Fig. 144
3. Connect the transducer current clamps on Phase L1, L2, N cables as shown in Fig . 14 4 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire system
preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
www.GlobalTestSupply.com
EN - 98
PQA823 - PQA824 - PQA400
7.16. USING OF METER IN A 3 WIRE 3POY (USA SYSTEM) – ENG_UK TYPE
CAUTION
The maximum voltage among B1, B2, B3, B4 and BE inputs is 1000V / CAT IV 600V to ground. Do n ot m ea su re v ol tages exceeding the limits prescribed by this manual. Should you exceed the voltage limits you could damage the instrument and/or its components or endanger your safety.
Fig. 145: Meter connection in a two phase 3-wire 3POY system – ENG_UK type
CAUTION
If possible, before connecting the meter to the electrical equipment under test turn the power supply off.
1. Check and modify the basic settings of meter if necessary (see § 5.3.1). Set 3P OY system option.
2. Connect voltage test leads on Phases L1, L2, N and PE cables considering the colours as show n in Fig. 145
3. Connect the transducer current clamps on Phase L1, L2, N cables as shown in Fig . 14 5 respecting the clamp’s arrow direction indicating the current standard sequence from generator to load. On Real Time Values’ section screens (selecting a 3 wire system
preliminarily) always verify the positive value of Active Power and the power factor relative to load which should be normally inductive before starting a recording.
Reverse the clamp by 180 degrees on cables in case of negative readings.
4. Supply the electrical installation under test in case it was temporarily put out of service for meter connection. The values of parameters are shown by meter at display in Real Time Values’ section (see § 5.2).
5. Press SAVE key if a instantaneous sample of display values (Instant) should be saved (see § 5.5). Use HOLD function to stopping the values at display if necessary
6. Check all settings before start a recording (see § 5.4). Press GO/STOP key to enable and disable a recording on meter (see § 5.4.13)
www.GlobalTestSupply.com
EN - 99
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