OPERATING MANUAL
HandyLab 600
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HandyLab 600
DIGITAL METER FOR DIGITAL IDS-pH AND ORP SENSORS
HandyLab 600
Copyright © 2014, SI Analytics GmbH
Reprinting - even as excerpts - is only allowed with the explicit written
authorization of SI Analytics GmbH, Mainz.
Printed in Germany.
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HandyLab 600 Contents
HandyLab 600 - Contents
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1 HandyLab 600 meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2 Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2.1 IDS sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2.2 Automatic sensor recognition . . . . . . . . . . . . . . . . . . . . . . 8
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1.1 Safety information in the operating manual . . . . . . . . . . . . 9
2.1.2 Safety signs on the meter . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1.3 Further documents providing safety information . . . . . . . . 9
2.2 Safe operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2.1 Authorized use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2.2 Requirements for safe operation . . . . . . . . . . . . . . . . . . . 10
2.2.3 Unauthorized use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3 Initial commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3.1 Inserting the batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1 General operating principles . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1.1 Keypad. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1.2 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.1.3 Status information (meter) . . . . . . . . . . . . . . . . . . . . . . . . 14
4.1.4 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.1.5 Sensor info. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2 Switching on the meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.3 Switching off the meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.4 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.4.1 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.4.2 Measured value display. . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.4.3 Menus and dialogs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.4.4 Navigation example 1:Setting the language . . . . . . . . . . 19
4.4.5 Example 2 on navigation: Setting the date and time . . . . 20
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Contents HandyLab 600
5 pH value. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1.1 Measuring the pH value . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1.2 Measuring the temperature . . . . . . . . . . . . . . . . . . . . . . 23
5.2 pH calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.2.1 Why calibrate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5.2.2 When do you have to calibrate?. . . . . . . . . . . . . . . . . . . 24
5.2.3 Carrying out automatic calibration (AutoCal) . . . . 24
5.2.4 Carrying out manual calibration (ConCal) . . . . . . . . . . . 27
5.2.5 Calibration points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.2.6 Calibration data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.2.7 Continuous measurement control (CMC function) . . 33
5.2.8 QSC function (sensor quality control) . . . . . . . . . . . . 34
6 ORP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.1 Measuring the ORP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.1.2 Measuring the temperature . . . . . . . . . . . . . . . . . . . . . . 38
6.2 ORP calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
7 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.1 pH measurement settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
7.1.1 Settings for pH measurements . . . . . . . . . . . . . . . . . . . . 40
7.1.2 Buffer sets for calibration . . . . . . . . . . . . . . . . . . . . . . . . 41
7.1.3 Calibration interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.2 ORP measurement settings. . . . . . . . . . . . . . . . . . . . . . . . . . . 44
7.2.1 Settings for ORP measurements . . . . . . . . . . . . . . . . . . 44
7.3 Sensor-independent settings . . . . . . . . . . . . . . . . . . . . . . . . . . 44
7.3.1 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
7.3.2 Data storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
7.3.3 Automatic Stability control . . . . . . . . . . . . . . . . . . . . . . . 46
7.3.4 Automatic switch-off function . . . . . . . . . . . . . . . . . . . . . 46
7.3.5 Display illumination. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
7.4 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
7.4.1 Resetting the measurement settings . . . . . . . . . . . . . . . 47
7.4.2 Resetting the system settings. . . . . . . . . . . . . . . . . . . . . 48
8 Data memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
8.1 Manual storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
8.2 Automatic data storage at intervals . . . . . . . . . . . . . . . . . . 50
8.3 Measurement data memory. . . . . . . . . . . . . . . . . . . . . . . . . . . 52
8.3.1 Editing the measurement data memory . . . . . . . . . . . . . 52
8.3.2 Erasing the measurement data memory . . . . . . . . . . . . 53
8.3.3 Measurement dataset. . . . . . . . . . . . . . . . . . . . . . . . . . . 54
8.3.4 Storage locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
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HandyLab 600 Contents
9 Transmitting data (USB interface). . . . . . . . . . . . . . . . . . . . . 55
9.1 Outputting current measurement data . . . . . . . . . . . . . . . . . . . 55
9.2 Transmitting data (to a PC) . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
9.3 Connecting the PC / USB-B interface (USB Device) . . . . . 55
9.4 Options for data storage to a PC . . . . . . . . . . . . . . . . . . . . . . . 56
9.5 MultiLab Importer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
10 Maintenance, cleaning, disposal. . . . . . . . . . . . . . . . . . . . . . 57
10.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
10.1.1 General maintenance activities . . . . . . . . . . . . . . . . . . . 57
10.1.2 Replacing the batteries. . . . . . . . . . . . . . . . . . . . . . . . . . 57
10.2 Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
10.3 Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
10.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
11 What to do if.... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
11.1 pH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
11.2 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
12 Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
12.1 Measuring ranges, resolution, accuracy . . . . . . . . . . . . . . . . . 62
12.2 General data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
13 Firmware update. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
13.1 Firmware update for the meter HandyLab 600 . . . . . . . . . . . . 64
13.2 Firmware-Update for IDS Sensors. . . . . . . . . . . . . . . . . . . . . . 65
14 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
15 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
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Contents HandyLab 600
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HandyLab 600 Overview
1
2
3
HandyLab 100
1 Overview
1.1 HandyLab 600 meter
The HandyLab 600 digital compact precision pH meter enables you to perform
pH and ORP measurements rapidly and reliably.
The HandyLab 600 provides the maximum degree of operating comfort, reliability and measuring certainty for all applications.
The HandyLab 600 supports you in your work with the following functions:
Automatic sensor recognition
Electronic access control
Data transmission via the USB interface (USB-B).
1 Keypad
2 Display
3 Connectors
1.2 Sensors
A measuring system ready to measure consists of the HandyLab 600 meter
and a suitable sensor.
Suitable sensors are SI Analytics
1.2.1 IDS sensors
IDS sensors
support the automatic sensor recognition
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show only the settings relevant to the specific sensor in the setting menu
IDS pH and ORP sensors.
Overview HandyLab 600
process signals in the sensor digitally so that precise and interference-free
measurements are enabled even with long cables
facilitate to assign a sensor to a measured parameter with differently colored
couplings
have quick-lock couplings with which to fix the sensors to the meter.
Sensor data from
IDS sensors
IDS sensors transmit the following sensor data to the meter:
SENSOR ID
– Sensor name
– Sensor series number
Calibration data
– Calibration date
– Calibration characteristics
– Calibration interval
– Selected buffer set (IDS pH sensors only)
– Calibration history of the last 10 calibrations
The calibration data are updated in the IDS sensor after each calibration procedure. A message is displayed while the data are being updated in the sensor.
Note
In the measured value display, you can display the sensor name and
series number of the selected sensor with the [Info] softkey. You can
then display all further sensor data stored in the sensor with the [More]
softkey.
1.2.2 Automatic sensor recognition
The automatic sensor recognition for IDS sensors allows
to operate an IDS sensor with different meters without recalibrating
to assign measurement data to an IDS sensor
– Measurement datasets are always stored and output with the sensor
name and sensor series number.
to assign calibration data to an IDS sensor
– Calibration data and calibration history are always stored and output with
the sensor name and sensor series number.
to hide menus automatically that do not concern this sensor
To be able to use the automatic sensor recognition, a meter that supports the
automatic sensor recognition (e.g. HandyLab 600) and a digital IDS sensor are
required.
In digital IDS sensors, sensor data are stored that clearly identify the sensor.
The sensor data are automatically taken over by the meter.
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HandyLab 600 Safety
2 Safety
2.1 Safety information
2.1.1 Safety information in the operating manual
This operating manual provides important information on the safe operation of
the meter. Read this operating manual thoroughly and make yourself familiar
with the meter before putting it into operation or working with it. The operating
manual must be kept in the vicinity of the meter so you can always find the information you need.
Important safety instructions are highlighted in this operating manual. They are
indicated by the warning symbol (triangle) in the left column. The signal word
(e.g. "CAUTION") indicates the level of danger:
WARNING
indicates a possibly dangerous situation that can lead to serious (irreversible) injury or death if the safety instruction is not
followed.
CAUTION
indicates a possibly dangerous situation that can lead to
slight (reversible) injury if the safety instruction is not followed.
NOTE
indicates a possibly dangerous situation where goods might be damaged
if the actions mentioned are not taken.
2.1.2 Safety signs on the meter
Note all labels, information signs and safety symbols on the meter and in the
battery compartment. A warning symbol (triangle) without text refers to safety
information in this operating manual.
2.1.3 Further documents providing safety information
The following documents provide additional information, which you should
observe for your safety when working with the measuring system:
• Operating manuals of sensors and other accessories
• Safety datasheets of calibration or maintenance accessories (such as buffer
solutions, electrolyte solutions, etc.)
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Safety HandyLab 600
2.2 Safe operation
2.2.1 Authorized use
This meter is authorized exclusively for pH and ORP measurements in the
laboratory.
Only the operation and running of
the meter according to the instructions and technical specifications given
in this operating manual is authorized (see section 12 T
62).
Any other use is considered unauthorized.
2.2.2 Requirements for safe operation
Note the following points for safe operation:
• The meter may only be operated according to the authorized use specified
above.
• The meter may only be supplied with power by the energy sources
mentioned in this operating manual.
• The meter may only be operated under the environmental conditions
mentioned in this operating manual.
• The meter may only be opened if this is explicitly described in this operating
manual (example: Inserting the batteries).
ECHNICAL DATA, page
2.2.3 Unauthorized use
The meter must not be put into operation if:
• it is visibly damaged (e.g. after being transported)
• it was stored under adverse conditions for a lengthy period of time (storing
conditions, see section 12 T
ECHNICAL DATA, page 62).
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HandyLab 600 Commissioning
3 Commissioning
3.1 Scope of delivery
Meter HandyLab 600
4 batteries 1.5 V Mignon type AA
USB cable (A plug on mini B plug)
Short instructions
CD-ROM with
– USB drivers
– detailed operating manual
– Software MultiLab Importer
3.2 Power supply
The HandyLab 600 is supplied with power in the following ways:
Battery operation (4 batteries, 1.5 V Mignon type AA)
USB operation via a connected USB-B cable
3.3 Initial commissioning
Perform the following activities:
Insert the supplied batteries
Switch on the meter (see
section 4.2 S
Set the date and time (see
section 4.4.5 E
20)
WITCHING ON THE METER, page 16)
XAMPLE 2 ON NAVIGATION: SETTING THE DATE AND TIME, page
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Commissioning HandyLab 600
2
1
3.3.1 Inserting the batteries
You can operate the meter either with normal batteries or with
rechargeable batteries (Ni-MH). In order to charge the batteries, an
external charging device is required.
1. Open the battery compartment (1) on the underside of the
meter.
1Screws
2 Battery compartment
CAUTION
Make sure that the poles of the batteries are positioned correctly.
The ± signs on the batteries must correspond to the
the battery compartment.
2. Place four batteries (type Mignon AA) in the battery compartment.
3. Close the battery compartment (1).
4. Set the date and time
(see section 4.4.5 E
XAMPLE 2 ON NAVIGATION: SETTING THE DATE AND TIME,
page 20).
± signs in
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HandyLab 600 Operation
F1
F2
CAL
STO
RCL
ENTER
AR
4Operation
4.1 General operating principles
4.1.1 Keypad
In this operating manual, keys are indicated by brackets <..> .
The key symbol (e.g. <ENTER>) generally indicates a short keystroke (under
2 sec) in this operating manual. A long keystroke (approx. 2 sec) is indicated
by the underscore behind the key symbol (e.g. <ENTER_>).
<F1>:
<F1_>:
Softkeys providing situation dependent functions, e.g.:
<F1>/[Info]: View information on a sensor
<F2>:
<F2__>:
<On/Off>: Switches the meter on or off
<M>: Selects the measured parameter / Quits the settings
<CAL>:
<CAL_>:
<STO>:
<STO_>:
<RCL>:
<RCL_>:
Calls up the calibration procedure
Displays the calibration data
Saves a measured value manually
Opens the menu for the automatic save function
Displays the manually stored measured values
Displays the automatically stored measured values
Menu control, navigation
<><>:
<__><__>:
Increments, decrements values
Increments, decrements values continuously
<ENTER>:
<ENTER_>:
Opens the menu for measurement settings / confirms
entries
Opens the menu for system settings
<AR> Freezes the measured value (HOLD function)
Switches the AutoRead measurement on or off
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Operation HandyLab 600
HOLD AR
pH
4
3
2
5
6
7
8
1
0
14
7.007
25.0
°C
01.02.2014
08:00
Info
USB output
4.1.2 Display
1 Status information (sensor)
2 Measured value
3 Measured parameter
4 Continuous measurement control (CMC function)
5 Sensor symbol (calibration evaluation, calibration interval)
6 Measured temperature (with unit)
7 Status information (meter)
8 Softkeys and date + time
4.1.3 Status information (meter)
AR Stability control (AutoRead) is active
HOLD Measured value is frozen (<AR> key)
Batteries are almost empty
Data are automatically output to the USB-B interface at
intervals
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HandyLab 600 Operation
3
1
2
25.0
7.007
pH
°C
0
14
01.02.2014
08:00
Info
USB output
4.1.4 Connectors
1 Digital sensors (pH and ORP)
2 USB B (device) interface
3 Service interface
CAUTION
Only connect sensors to the meter that cannot return any voltages or currents that are not allowed (> SELV and > current
circuit with current limiting).
SI Analytics IDS sensors meet these requirements.
4.1.5 Sensor info
You can display the current sensor data and sensor settings of a connected
sensor at any time. The sensor data are available in the measured value
display with the <F1>/[Info] softkey.
1. In the measured value display:
Display the sensor data (sensor name, series number) with [<F1>Info].
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Operation HandyLab 600
25.0
7.007
pH
°C
0
14
More
01.02.2014
08:00
BlueLine 24 pH IDS
B092500013
pH resolution 0.001
mV resolution 0.1
Buffer
Calibration interval 7d
Unit for slope mV/pH
QSC: off
BlueLine 24 pH IDS
B092500013
01.02.2014
08:00
Back
25.0
7.007
pH
°C
0
14
01.02.2014
08:00
Info
USB output
2. Display further sensor data (settings) with <F1>/[More].
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4.2 Switching on the meter
1. Switch the meter on with <On/Off>.
The meter performs a self-test.
2. Connect the sensor.
The meter is ready to measure.
4.3 Switching off the meter
1. Switch the printer off with <On/Off>.
HandyLab 600 Operation
General
Interface
Clock function
Service information
Reset
System
01.02.2014
08:00
Back
4.4 Navigation
4.4.1 Operating modes
Operating mode Explanation
Measuring The measurement data of the connected sensor are
shown in the measured value display
Calibration The course of a calibration with calibration information,
functions and settings is displayed
Storing in
memory
Transmitting
data
The meter stores measuring data automatically or manually
The meter transmits measuring data and calibration
records to a USB-B interface automatically or manually.
Setting The system menu or a sensor menu with submenus,
settings and functions is displayed
4.4.2 Measured value display
In the measured value display, you can
open the menu for calibration and measurement settings with <ENTER>
(short
keystroke)
<ENTER_> open the Storage & config menu with the sensor-independent
settings by pressing <ENTER> (long keystroke, approx. 2 s).
change the display in the selected measuring screen (e. g. pH <-> mV) by
pressing <M>.
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4.4.3 Menus and dialogs
The menus for settings and dialogs in procedures contain further subelements.
The selection is made with the <><> keys. The current selection is displayed with a frame.
Submenus
The name of the submenu is displayed at the upper edge of the frame. Submenus are opened by confirming with <ENTER>. Example:
Operation HandyLab 600
Language: Deutsch
Audio signal: off
Illumination: on
Contrast: 50 %
Shutoff time: 1 h
Temperature unit: °C
Stability control
: on
General
01.02.2014
08:00
Back
Calibration record
Calibration data storage
Buffer:
Single-point calibration: yes
Calibration interval: 7 d
Unit for slope: mV/pH
[
i
] 2.00 4.01 7.00
pH
01.02.2014
08:00
Back
Calibration record
Calibration data storage
Buffer:
Single-point calibration: yes
Calibration interval: 7 d
Unit for slope: mV/pH
[
i
] 2.00 4.01 7.00
pH
01.02.2014
08:00
Back
Settings
Settings are indicated by a colon. The current setting is displayed on the
right-hand side. The setting mode is opened with <ENTER>. Subsequently,
the setting can be changed with <><> and <ENTER>. Example:
Functions
Functions are designated by the name of the function. They are immediately
carried out by confirming with <ENTER>. Example: Display the Calibration
record function.
Messages
Information is marked by the [
i
] symbol. It cannot be selected. Example:
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HandyLab 600 Operation
25.0
7.007
pH
°C
0
14
01.02.2014
08:00
Info
USB output
System
Data storage
Storage & config
01.02.2014
08:00
Back
General
Interface
Clock function
Service information
Reset
System
01.02.2014
08:00
Back
4.4.4 Navigation example 1:Setting the language
1. Press the <On/Off> key.
The measured value display appears.
The instrument is in the measuring mode.
2. Using <ENTER_>, open the Storage & config menu.
The instrument is in the setting mode.
3. Select the System submenu with <><>.
The current selection is displayed with a frame.
4. Open the System submenu with <ENTER>.
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Operation HandyLab 600
Language: Deutsch
Audio signal: off
Illumination: on
Contrast: 50 %
Shutoff time: 1 h
Temperature unit: °C
Stability control
: on
General
01.02.2014
08:00
Back
Language: Deutsch
Audio signal: off
Illumination: on
Contrast: 50 %
Shutoff time: 1 h
Temperature unit: °C
Stability control
: on
General
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Back
5. Select the General submenu with <><>.
The current selection is displayed with a frame.
6. Open the General
submenu with <ENTER>.
7. Open the setting mode for the Language with <ENTER>.
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8. Select the required language with <><>.
9. Confirm the setting with <ENTER>.
The meter switches to the measuring mode.
The selected language is active.
4.4.5 Example 2 on navigation: Setting the date and time
The meter has a clock with a date function. The date and time are indicated in
the status line of the measured value display.
When storing measured values and calibrating, the current date and time are
automatically stored as well.
The correct setting of the date and time and date format is important for the following functions and displays:
Current date and time
Calibration date
Identification of stored measured values.
HandyLab 600 Operation
Date format: dd.mm.yy
Date: 01.02.14
Time: 14:53:40
Clock function
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Back
Therefore, check the time at regular intervals.
The date and time are reset to default after a fall of the supply voltage (empty batteries).
Setting the date,
time and date format
The date format can be switched from the display of day, month, year
(dd.mm.yy) to the display of month, day, year (mm/dd/yy or mm.dd.yy).
1. In the measured value display:
Using <ENTER_>, open the Storage & config menu.
The instrument is in the setting mode.
2. Select and confirm the System / Clock function menu with <><> and
<ENTER>.
The setting menu for the date and time opens up.
3. Select and confirm the Time menu with <><> and <ENTER>.
The hours are highlighted.
4. Change and confirm the setting with <><> and <ENTER>.
The minutes are highlighted.
5. Change and confirm the setting with <><> and <ENTER>.
The seconds are highlighted.
6. Change and confirm the setting with <><> and <ENTER>.
The time is set.
7. If necessary, set the Date and Date format. The setting is made similarly
to that of the time.
8. To make further settings, switch to the next higher menu level with
Back<F1>.
or
Switch to the measured value display with <M>.
The instrument is in the measuring mode.
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pH value HandyLab 600
25.0
7.007
pH
°C
0
14
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Info
USB output
5 pH value
5.1 Measuring
5.1.1 Measuring the pH value
NOTE
When connecting a grounded PC/printer, measurements cannot be
performed in grounded media as the values would be incorrect. The USB
interface is not galvanically isolated.
1. Connect the IDS pH sensor to the meter.
The pH measuring window is displayed.
2. If necessary, select the measured parameter with <M>.
3. Adjust the temperature of the solutions and measure the current temperature if the measurement is made without a temperature sensor.
Stability control
(AutoRead)
& HOLD function
4. If necessary, calibrate or check the IDS pH sensor.
5. Immerse the IDS pH sensor in the test sample.
The stability control function (AutoRead) continually checks the stability of the
measurement signal. The stability has a considerable impact on the reproducibility of measured values.
The measured parameter flashes on the display
as soon as the measured value is outside the stability range
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when the automatic Stability control is switched off.
You can start the Stability control manually at any time, irrespective of the setting for automatic Stability control (see section 7.3.3 A
TROL, page 46) in the System menu.
1. Freeze the measured value with <AR>.
The [HOLD] status indicator is displayed.
The HOLD function is active.
UTOMATIC STABILITY CON-
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