Congratulations on your purchase of the Model PQ3450 Power Analyzer/datalogger. This
instrument is fully tested and calibrated prior to delivery; proper use and care of this meter will
provide years of reliable service.
1.1 Features
Large dot-matrix, numerical, backlit LCD
Full system analysis with more than 30 parameters:
o Voltage (phase-to-phase) and Voltage (phase-to-ground)
o Current (Amps) phase-to-ground
o KW / KVA / KVAR / PF (phase)
o KW / KVA / KVAR / PF (system)
o KWH / KVAH / KVARH / PFH (system)
o Phase angle
600.0VAC input with CAT III-600V safety rating
Adjustable Current Transformer (CT) and Potential Transformer (PT) ratio for high power
distribution systems
Log up to 30,000 reading on removable SD memory card in Excel® format
Wide sampling rate range (from 2 seconds up to 2 hours)
Current ranges Current probe input signal voltage (ACV):
Safety
standard
ACV input impedance 10M ohms
Range select ACV Auto Range
Clamp frequency
response
Over-load protection ACV 720 ACV RMS
LCD Size: 81.4 X 61 mm (3.2 X 2.4”)
Dot Matrix backlit LCD (320 X 240 pixels)
V (voltage phase to ground)
A (Current Phase to ground)
KW / KVA/ KVAR / PF (Phase)
KW / KVA/ KVAR / PF (System)
Power factor
Phase angle
Frequency
1P/2W, 1P/3W, 3P/3W, 3P/4W
200mV(120mV) /2.25V/300mV/500mV/1V/2V/3V
Current probe input current range (ACA):
20A/200A/2000A(1200A)/150A/1500A/30A/300A/3000A/60A/600A/6000A
Note that the meter has universal probe compatibility
IEC1010 CAT III 600 V
ACA Manual Range
40 Hz to 1 KHz
Over-range
Under-range "UR" is displayed
Data Hold Freezes displayed reading
Data Recording SD memory card
SD Card size limits SD Cards up to 2G; SDHC Cards up to 16G
Sampling Time Approx. 1 second (LCD) / 2000 samples per period
1. When the meter is switched ON the initialization screen appears.
Start-up Initialization Screen
2. The meter will also check for an inserted SD memory card. ‘SD check’ will appear on the lower
right side of the display. If an SD card is inserted, the blinking display will switch off after several
seconds. When no card is inserted the display will show ‘No disk’.
4-2 Measurement Screens
After the initialization screen, the meter displays one of the measurement screen configurations.
The meter reverts to the screen that was displayed at the last power down and may not be the
screen shown below. Other screen configurations are shown later in this User Guide.
REC : Data record key for use with the SD Memory Card
HOLD : Freeze the displayed reading
BACKLIGHT
SETUP/ENTER : Enter the Setup mode. Also used as an Enter key to confirm entries
EXIT : Exit a screen when programming
SHIFT (: Programming key for use in the Setup Mode
Up arrow▲ : Generally, press to move the cursor up or to change a parameter value, however
use varies with each particular function
Down arrow▼ : Generally, press to move the cursor down or to change a parameter value,
however use varies with each particular function
Left arrow◄ : Use varies according to a particular function
Right arrow ► : Use varies according to a particular function
4.4 Setup Mode
4.4.1 Setup Mode Basics
1. Press the SETUP button to access the Setup Mode. The screen shown below will appear on
the meter’s LCD.
2. Use the up and down arrow keys to scroll through the parameters.
3. Press the SHIFT key to open a particular parameter for editing (the
‘SHIFT 1’ display icon will be visible on the upper right hand corner of
the LCD).
4. Once a parameter is opened for editing (parameter variable
highlighted), use the up and down arrow keys to edit the setting.
5. When the SHIFT key is pressed on the FILE NAME parameter, the user can select the first
half of the file name which is the configuration (3P4, for example). When the SHIFT keys is
pressed again, the SHIFT 2 icon appears on the display and the user can select the second
half of the file name (10001.XLS, for example). This applies only to the FILENAME
parameter.
6. Press the SHIFT key to continue scrolling through the other parameters using the up and
down arrow keys.
7. To exit the Setup Mode press the EXIT key.
8. Detailed instructions for each parameter are provided in the next section.
Press SETUP to enter the Setup Mode, selected items will appear highlighted (reverse video). Use
the up and down arrow keys to move through the available parameters and use the Shift key to
open a parameter for editing. Once a parameter is opened for editing, the up and down arrow keys
are used again to change a parameter’s setting. The SHIFT key is then used to return to Setup
Mode editing where the arrow keys are used again for scrolling. Use the EXIT key to leave the
Setup Mode.
4.5.1 Folder name: Set a Folder Name on the SD Memory Card
1. Scroll to the FOLDER NAME field using the up and down arrow keys if necessary
2. The Folder Name range is “WTA01” to “WTA10”
3. Press Shift to open the Folder Name parameter for editing
4. Use the arrow keys ▲ ▼ to select a folder number; the available numbers are "01 to 10"
(Note: Press and hold ▲ or ▼ continuously for at least two seconds to scroll quickly).
4.5.2 File name: Set a file name in the SD Memory Card
1. In the Setup Mode, scroll down to the FILE NAME parameter using the up and down arrow
keys
2. The screen will show the "NO FILE" indicator in the REC Date option area when the
selected file is new .
3. The screen will show the recording date and time in the REC Date option area for existing
data files .
File Name Screen1
File Name Screen 2
4. Press the SHIFT button. The “SHIFT 1” icon will appear on the upper right side of the
screen and the first half of the File Name which represents the number of wires and phases
(3P4, for example) will be highlighted and ready for editing. Use the arrow keys to select
the desired configuration. Select 1P/2W (1P2), 1P/3W (1P3), 3P/3W (3P3), or 3P/4W
(3P4).
5. Press SHIFT again and the “SHIFT 2” icon will appear on the upper right side of the screen
and the second half of the File Name, which the user can customize as needed, will be
highlighted. Use the arrow keys to select a number between 001 and 0050 inclusive. .
6. File Name Examples:
a. 1P201001: 1P2 is one phase by two wires, 01 is the folder number, and 001 is the file number
b. 1P301001: 1P3 is one phase by three wires, 01 the folder number, and 001 the file number
c. 3P301001: 3P3 is three phases by three wires, 01 the folder number, and 001 the file
number.
d. 3P401001: 3P4 is three phases by four wires, 01 the folder number, and 001 the file number.
7. Press the SHIFT key again to continue with the Setup Mode editing.
File Name Screens
4.5.3 Set the Sampling Time (datalogging rate) for recording onto the SD Memory Card
1. In the Setup Mode, use the up and down arrow keys to scroll to the SAMPLING TIME field.
2. Press the SHIFT key and the symbol "SHIFT1" will switch ON.
3. Use the arrow keys to adjust the sampling time; the range is 2 to 7200 seconds.
4. Press the SHIFT key again to return to Setup Mode editing.
4.5.4 Delete a file on the SD Memory Card
1. In the Setup Mode, scroll to the DELETE FILE field using the up and down arrow keys.
2. Press and hold the SETUP/ENTER key for at least 2 seconds and the indicators “Y” and
“N” will appear next to the DELETE FILE field. Use the right and left arrow keys to highlight
“Y” for YES or “N” for NO and then momentarily press the SETUP/ENTER key.
3. If “Y” is selected, the current file will be erased. If “N” is selected, the delete process will be
aborted. When a file is deleted the field next to DELETE FILE will show 100%. When a
delete is aborted, the field shows 0%.
4.5.5 Formatting an SD Memory Card
1. In the Setup Mode, use the arrow keys to scroll to the SD FORMAT field
2. Press and hold the SETUP/ENTER button for at least 2 seconds and the “Y” and “N”
indicators will appear next to the SD FORMAT field
3. Use the right and left arrow buttons to highlight the desired letter: “Y” to confirm formatting
or “N” to abort the formatting.
4. While formatting, the field next to the SD FORMAT field will show the formatting progress 0
to 100%.
5. Note that the display screen shows USE SIZE (amount of memory currently used on the
SD card), FREE SIZE (amount of memory available), and TOTAL SIZE (total size of the
SD card memory) below the SD FORMAT field.
1. In the Setup Mode, use the up and down arrow keys to scroll to the PT field.
2. Press SHIFT, the display "SHIFT1" will switch ON
3. Use the ▲ or ▼ keys to adjust the PT value (the range is 1 to 1000)
4. Press SHIFT again to return to Setup Mode editing or press EXIT to leave the Setup mode.
4.5.7 Current Transformer (CT) Setup
1. In the Setup Mode, use the up and down arrow keys to scroll to the CT field.
2. Press SHIFT, the display "SHIFT1" will switch ON
3. Use the ▲ or ▼ keys to adjust the CT value (the range is 1 to 600)
4. Press SHIFT again to return to Setup Mode editing or press EXIT to leave the Setup mode.
4.5.8 Audible Beeper ON/OFF
1. In the Setup Mode, use the up and down arrow keys to scroll to the BEEP field.
2. Press SHIFT, the display "SHIFT1" will switch ON
3. Use the ▲ or ▼ keys to select ON or OFF
4. Press SHIFT again to return to Setup Mode editing or press EXIT to leave the Setup mode.
4.5.9 SD Card Numerical Format (USA or European)
Note: SD Memory Cards default to the basic numerical format (USA) whereby a period is used
to separate units from tenths, for example: 20.00. European formatting uses a comma (for
example: 20,00).
1. In the Setup Mode, use the up and down arrow keys to scroll to the DECIMAL field.
2. Press SHIFT, the display "SHIFT1" will switch ON
3. Use the ▲ or ▼ keys to select the desired format USA (.) or EURO (,).
4. Press SHIFT again to return to Setup Mode editing or press EXIT to leave the Setup mode.
1. Power the instrument ON by pressing the ‘Power’ key, and then use the ‘1Φ 3Φ’ key to
select the 1Φ 2W system, the selected name of the system will be shown on the bottom left
side of the display
2. Connect the line voltage L1, Vn (Neutral) to V1 and N terminals of the
instrument.
3. Connect the Clamp (A1) to the conductor (A1)
4. Connect Clamp 1 (A1) to the A1 terminal of the instrument
5. The related measurement factors will appear on the display
6. Measurement definitions can be found in Section 5-10
1. Power the instrument ON by pressing ‘Power’ key, and then press the ‘1Φ 3Φ’ key to
select 1Φ 3W, the selected name of the configuration will appear on bottom left hand
side of the display.
2. Connect the line voltage L1, L2 and Vn (Neutral) to V1, V2 and N terminals of the
instrument
3. Connect the two (2) clamps (A1 and A2) to the conductors (A1) and (A2)
4. Connect Clamp 1 and Clamp 2 (A1 and A2) to the A1 and A2 terminals of the
instrument
5. The related measurement factors will appear on the display
1. Power the instrument ON by pressing the ‘Power’ key, and then press ‘1Φ 3Φ’ to
select 3Φ 3W, the selected configuration name will appear on bottom left hand side
of the display.
2. Connect the line voltage L1, L2 and L3 to V1, V2 and V3 terminals of the instrument.
3. Connect the three (3) clamps (A1, A2, A3) to conductors A1, A2 , A3
4. Connect the three (3) Clamps to the meter using the A1, A2, and A3 terminals
5. The related measurement factors will appear on the display
1. Power
the
instrument ON by pressing the ‘Power’ key, and then press ‘1Φ 3Φ’ to select the 3Φ
4W system, the selected name of the system will appear on the bottom left hand side
of the display.
2. Connect the line voltage L1, L2, L3 and Vn to V1, V2, V3 and N terminals of the
instrument.
3. Connect the three (3) Clamps (A1, A2, and A3) to the conductors A1, A2, and A3.
4. Connect the Clamps (A1, A2, and A3) to the meter’s A1, A2, and A3 terminals.
5. The related measurement factors will appear on the display.
5.5 Current (CT) / Potential (PT) Transformer Measurement
1. Power the instrument ON by pressing the ‘Power’ key , and then press the ‘1Φ 3Φ’
key to select the 3Φ 4W system, the selected name of the system will appear on the
bottom left hand side of the display.
2. Connect the line voltage L1, L2, L3 and Vn to the V1, V2, V3 and N terminals of the
instrument
3. Connect the three (3) Clamps (A1, A2, A3) to the conductors A1, A2, A3
4. Connect the Clamps (A1, A2, A3) to the meter’s A1, A2, A3 terminals
5. The related measurement factors will appear on the display
2. If the meter displays the "Change Card" message at the bottom right, the SD CARD
memory is either full or it is damaged.
3. If the meter displays “NO DISK” an SD card must be inserted.
4. If ‘Check SD’ appears, wait a few seconds as the meter is reading the SD card.
5. If the SD CARD is functional and it has available space datalogging will begin.
The ‘Change Card’ display
6. The display will show the datalogging process by incrementing the data counter on
the bottom right side of screen (under the REC display icon).
7. Each file can store up to 30,000 data points. When the number of data points
reaches 30,000 the system will create a new file automatically. (For example,
WTA01001.XLS will be replaced by WTA01002.XLS)
8. Press the REC key again to stop datalogging. The incrementing counter and the
REC display icon will switch off.
9. Instructions are provided later in this User Guide regarding data exporting to a
spreadsheet using a PC.
1. During a measurement, press the HOLD KEY once, the displayed readings will
freeze and the display will show the “HOLD” icon on the bottom right side of the
screen
2. Press the HOLD key again to release the display and return to the normal operating
mode. The HOLD display icon will switch off
The HOLD display
5.8 LCD Backlight Key
Press to turn the backlight ON or OFF. Note: Use of the backlight will place a higher
burden on the battery power. The backlight should be turned off when using battery power
and especially while datalogging.
5.9 Low Battery Indication (LOW BAT)
When the LOW BAT indicator appears, replace the batteries as described in the Battery
Replacement section of this manual. Use of weak batteries will compromise measurement
accuracy and meter performance.
CAUTION: Remove test leads before opening the battery cover; Electrical
Shock Hazard.
6.1 Cleaning
CAUTION: When cleaning, use only a dry cloth. Do not use liquids of any kind
to clean the meter.
6.2 Battery Replacement
1. When the display shows the LOWBAT indicator, replace the batteries as soon as
possible
2. Open the rear Battery Cover and remove the batteries
3. Replace the eight (8) batteries (1.5Vdc ‘AA’ batteries) and close the battery cover
You, as the end user, are legally bound (EU Battery ordinance) to return all used
batteries, disposal in the household garbage is prohibited! You can hand over your
used batteries / accumulators at collection points in your community or wherever batteries
/ accumulators are sold!
Disposal: Follow the valid legal stipulations in respect of the disposal of the device at the
end of its lifecycle
1. After a Datalogging session, remove the SD card from the SD card socket.
2. Plug the SD card into a PC SD card reader slot or into an SD card reader adaptor.
3. Power the computer and run spreadsheet software. Download the stored data file
from the SD Card to the PC (file name examples: 3P401001.XLS, 1P201001.XLS,
1P301001.XLS, 3P301001.XLS).
4. The data files can be opened directly into a spreadsheet program.