HandyLab 680
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OPERATING MANUAL
HandyLab 680
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HandyLab 680
DIGITAL METER FOR DIGITAL IDS SENSORS
HandyLab 680
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 680 Contents
HandyLab 680 - Contents
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1 Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.2 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.3 Socket field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1.4 Automatic sensor recognition . . . . . . . . . . . . . . . . . . . . . 12
1.5 IDS sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.1 Authorized use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . 16
3 Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1 Scope of delivery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.2 Power supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.3 Initial commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.3.1 Inserting the rechargeable batteries. . . . . . . . . . 19
3.3.2 Connecting the power pack / charging the
batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.3.3 Switching on the meter. . . . . . . . . . . . . . . . . . . . 21
3.3.4 Setting the date and time . . . . . . . . . . . . . . . . . 22
4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1 Switching on the meter . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.2 Login with a user name . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.3 General operating principles . . . . . . . . . . . . . . . . . . . . . . 26
4.3.1 Operating modes . . . . . . . . . . . . . . . . . . . . . . . . 26
4.3.2 Display of several sensors in measuring mode . 27
4.3.3 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.3.4 Example 1 on navigation: Setting the language. 30
4.3.5 Example 2 on navigation: Setting the date and
time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4.4 Sensor-independent settings . . . . . . . . . . . . . . . . . . . . . 34
4.4.1 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.4.2 Data storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.4.3 Automatic Stability control . . . . . . . . . . . . . . . . . 36
4.4.4 Automatic switch-off . . . . . . . . . . . . . . . . . . . . . . 36
4.4.5 Display illumination . . . . . . . . . . . . . . . . . . . . . . 36
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Contents HandyLab 680
4.5 Sensor info. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
4.6 Channel display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.7 pH value. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
4.7.1 General information . . . . . . . . . . . . . . . . . . . . . . 39
4.7.2 Measuring the pH value . . . . . . . . . . . . . . . . . . . 40
4.7.3 Settings for pH measurements . . . . . . . . . . . . . . 41
4.7.4 pH calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
4.7.5 Calibration interval . . . . . . . . . . . . . . . . . . . . . . . 48
4.7.6 Carrying out an automatic calibration (AutoCal) . 49
4.7.7 Carrying out a manual calibration (ConCal) . . . . 53
4.7.8 Displaying calibration records. . . . . . . . . . . . . . . 57
4.7.9 Continuous measurement control (CMC
function) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
4.7.10 QSC function (sensor quality control) . . . . . . 59
4.8 ORP voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
4.8.1 General information . . . . . . . . . . . . . . . . . . . . . . 62
4.8.2 Measuring the ORP . . . . . . . . . . . . . . . . . . . . . . 62
4.8.3 Settings for ORP measurements . . . . . . . . . . . . 64
4.9 Dissolved oxygen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
4.9.1 General information . . . . . . . . . . . . . . . . . . . . . . 65
4.9.2 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
4.9.3 Settings for D.O. sensors
(menu or measurement and calibration settings) 68
4.9.4 FDO
®
Check procedure (check of the
®
FDO
1100 IDS) . . . . . . . . . . . . . . . . . . . . . . 71
4.9.5 D.O. calibration . . . . . . . . . . . . . . . . . . . . . . . . . . 73
4.9.6 Displaying calibration records. . . . . . . . . . . . . . . 76
4.10 Conductivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
4.10.1 General information . . . . . . . . . . . . . . . . . . . . . . 77
4.10.2 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
4.10.3 Temperature compensation . . . . . . . . . . . . . . . . 80
4.10.4 Settings for IDS conductivity sensors . . . . . . . . . 81
4.10.5 Determining the cell constant
(calibration in control standard) . . . . . . . . . . . . . 84
4.10.6 Displaying calibration records. . . . . . . . . . . . . . . 86
4.11 Data storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
4.11.1 Manual storage . . . . . . . . . . . . . . . . . . . . . . . . . . 88
4.11.2 Automatic storage at intervals . . . . . . . . . . . . 88
4.11.3 Editing the measurement data storage. . . . . . . . 91
4.11.4 Erasing the measurement data storage . . . . . . . 92
4.12 Transmitting data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
4.12.1 USB interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . 93
4.12.2 Connecting the PC (USB-B interface (USB
Device)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
4.12.3 Connecting a USB memory device/USB printer
(USB-A interface (USB Host)) . . . . . . . . . . . . . . 94
4.12.4 Options for data transmission to the USB-B (PC)
interface and the USB-A (USB printer) interface 94
4.12.5 Data transmission to the USB-A interface (USB
4
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HandyLab 680 Contents
memory device) . . . . . . . . . . . . . . . . . . . . . . . . . 95
4.12.6 MultiLab Importer . . . . . . . . . . . . . . . . . . . . . . . . 96
4.13 MultiLab User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
4.14 Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
4.14.1 Resetting the measurement settings. . . . . . . . . 96
4.14.2 Resetting the system settings . . . . . . . . . . . . . . 99
5 Maintenance, cleaning, disposal . . . . . . . . . . . . . . . . 101
5.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
5.1.1 Replacing the rechargeable batteries . . . . . . . 101
5.2 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
5.3 Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
5.4 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
6 What to do if... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
6.1 General information. . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
6.2 pH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
6.3 Dissolved oxygen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
6.4 Conductivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
7 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
7.1 General data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
7.2 Measuring ranges, resolution, accuracy . . . . . . . . . . . . 110
8 Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
9 Appendix: Firmware update. . . . . . . . . . . . . . . . . . . . 115
9.1 Firmware update for the meter HandyLab 680 . . . . . . . 115
9.2 Firmware-Update for IDS Sensors . . . . . . . . . . . . . . . . 116
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Contents HandyLab 680
6
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HandyLab 680 Overview
1
2
3
HandyLab 680
1Overview
The compact, digital precision meter HandyLab 680 enables you to
carry out pH measurements, ORP measurements, conductivity measurements and dissolved oxygen (D.O.) measurements quickly and
reliably.
The HandyLab 680 provides the maximum degree of operating comfort, reliability and measuring certainty for all applications.
The HandyLab 680 supports you in your work with the following functions:
proven calibration procedures
automatic stability control (AR),
automatic sensor recognition,
CMC (continuous measurement control)
QSC (sensor quality control).
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1 Keypad
2Display
3 Socket field
The two USB interfaces (USB-A and USB-B) enable you to:
Transmit data to
– a USB memory device
–a PC
Update the meter firmware.
7
Overview HandyLab 680
F1
F2
CAL
ARAR
MENU
ENTER
MENU
ENTER
PRT
ESC
1.1 Keypad
In this operating manual, keys are indicated by brackets <..> .
The key symbol (e.g. <MENU/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. <MENU/ENTER
_>).
<F1>:
<F2>:
<On/Off>:
<On/Off
<M>: Selects the measured parameter
<CAL>:
<CAL
<AR> Freezes the measured value (HOLD function)
<STO>:
<STO
<RCL>:
<RCL
<><>:
<><>:
_>:
_>:
_>:
_>:
Softkeys providing situation dependent functions, e.g.:
<F1>/[Info]: View information on a sensor
Switches the meter on or off
Calls up the calibration procedure
Displays the calibration data
Switches the AutoRead measurement on or off
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
<MENU/ENTER>:
<MENU/ENTER
<PRT>
_>
<PRT
<ESC>: Cancels an action
8
_>:
Opens the menu for measurement settings / Confirms
entries
Opens the menu for system settings
Outputs stored data to the interface
Outputs displayed data to the interface in intervals
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HandyLab 680 Overview
4
3
2
6
7
8
1
5
22.09.2009 08:00
Info
1.2 Display
1 Status information
2 Measured value (with unit)
3 Measured parameter
4 Continuous measurement control (CMC function)
5 Channel display:
Plug position of the sensor
6 Sensor symbol (calibration evaluation, calibration interval)
7 Measured temperature (with unit)
8 Softkeys and date + time
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Overview HandyLab 680
Function display
indicators
AutoCal
e.g. TEC
Calibration with automatic buffer recognition, e.g.
with the buffer set: Technical buffers
ConCal Calibration with any buffers
Error An error occurred during calibration
AR Stability control (AutoRead) is active
HOLD Measured value is frozen (<AR> key)
Batteries are almost empty
Mains operation
Mains operation with charge function
Batteries are automatically charged in the background.
Data are automatically output to the USB-B interface at intervals
Data are output to the USB-A interface (USB flash
drive)
Data are output to the USB-A interface (USB
printer)
If there is a USB-B connection (such as to a PC) at
the same time, the data are output only to the
USB-B interface.
Power supply via the USB-B interface
Batteries are not being charged
10
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HandyLab 680 Overview
5
1
2
3
4
1.3 Socket field
Connectors:
1
Digital sensors
(pH, ORP, conductivity, D.O.)
2 Power pack
3 USB-A (host) interface
4 USB B (device) interface
5 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.
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Overview HandyLab 680
1.4 Automatic sensor recognition
The automatic sensor recognition for IDS sensors allows
to operate an IDS sensor at different meters without recalibration
to operate different IDS sensors at one meter without recalibration
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 activate the correct cell constant for conductivity sensors auto-
matically
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 680) 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.
1.5 IDS sensors
IDS sensors
support the automatic sensor recognition
show only the settings relevant to the specific sensor in the setting
menu
process signals in the sensor digitally so that precise and interfer-
ence-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.
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HandyLab 680 Overview
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)
– Cell constant (IDS conductivity sensors only)
– Calibration history of the last 10 calibrations
Measurement settings (IDS conductivity sensors only)
– The set measured parameter
– The set reference temperature
– The set temperature coefficient
– The set TDS factor
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.
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Overview HandyLab 680
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HandyLab 680 Safety
2 Safety
This operating manual contains basic instructions that you must follow
during the commissioning, operation and maintenance of the meter.
Consequently, all responsible personnel must read this operating manual before working with the meter.
The operating manual must always be available within the
vicinity of the meter.
Target group The meter was developed for work in the field and in the laboratory.
Thus, we assume that, as a result of their professional training and
experience, the operators will know the necessary safety precautions
to take when handling chemicals.
Safety instructions Safety instructions in this operating manual are indicated by the warn-
ing symbol (triangle) in the left column. The signal word (e.g. "Caution")
indicates the level of danger:
Further notes
WARNING
indicates instructions that must be followed precisely in order to
avoid possibly great dangers to personnel.
CAUTION
indicates instructions that must be followed precisely in order to
avoid the possibility of slight injuries or damage to the meter or
the environment.
Note
indicates notes that draw your attention to special features.
Note
indicates cross-references to other documents, e.g. operating manuals.
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Safety HandyLab 680
2.1 Authorized use
The authorized use of the meter consists exclusively of the measurement of the pH, ORP, conductivity and dissolved oxygen in a field and
laboratory environment.
The technical specifications as given in chapter 7 T
ECHNICAL DATA must
be observed. Only the operation and running of the meter according to
the instructions given in this operating manual is authorized.
Any other use is considered unauthorized.
2.2 General safety instructions
This meter is constructed and tested in compliance with the IEC 1010
safety regulations for electronic measuring instruments.
It left the factory in a safe and secure technical condition.
Function and
operational safety
The smooth functioning and operational safety of the meter can only be
guaranteed if the generally applicable safety measures and the specific
safety instructions in this operating manual are followed during operation.
The smooth functioning and operational safety of the meter can only be
guaranteed under the environmental conditions that are specified in
chapter 7 T
ECHNICAL DATA.
If the meter was transported from a cold environment to a warm environment, the formation of condensate can lead to the faulty functioning
of the meter. In this event, wait until the temperature of the meter
reaches room temperature before putting the meter back into operation.
CAUTION
The meter is only allowed to be opened by authorized personnel.
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HandyLab 680 Safety
Safe operation If safe operation is no longer possible, the meter must be taken out of
service and secured against inadvertent operation!
Safe operation is no longer possible if the meter:
has been damaged in transport
has been stored under adverse conditions for a lengthy period of
time
is visibly damaged
no longer operates as described in this manual.
If you are in any doubt, please contact the supplier of the meter.
Obligations of the
purchaser
The purchaser of this meter must ensure that the following laws and
guidelines are observed when using dangerous substances:
EEC directives for protective labor legislation
National protective labor legislation
Safety regulations
Safety datasheets of the chemical manufacturers.
CAUTION
In addition to the safety instructions mentioned here, also follow
the safety instructions of the sensors used.
The operating manuals of the sensors are available on the supplied CD and on the Internet under www.si-analytics.com
.
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Safety HandyLab 680
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HandyLab 680 Commissioning
3 Commissioning
3.1 Scope of delivery
Meter HandyLab 680
4 NiMH rechargeable batteries 1.2 V Mignon type AA
USB cable (A plug on mini B plug)
Power pack
Short instructions
Detailed operating manual (4 languages)
CD-ROM
3.2 Power supply
The HandyLab 680 is supplied with power in the following ways:
Battery operation with NiMh rechargeable batteries
Mains operation with the supplied power pack.
The NiMh rechargeable batteries are automatically charged while
the power pack is connected.
USB operation via a connected USB-B cable.
The inserted NiMh rechargeable batteries are not charged
3.3 Initial commissioning
Perform the following activities:
Insert the rechargeable batteries and charge them
Connect the power pack (mains operation / battery charging)
Switch on the meter
Set the date and time
3.3.1 Inserting the rechargeable batteries
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1 Unscrew the two screws (1) on the underside of the meter.
2 Open the battery compartment (2) on the underside of the
meter.
19
Commissioning HandyLab 680
2
1
3 Place four rechargeable batteries (type Mignon AA) in the bat-
tery compartment.
CAUTION
Make sure that the poles of the rechargeable batteries are positioned correctly.
The
± signs on the batteries must correspond to the ± signs in the
battery compartment.
4 Close the battery compartment (2) and tighten the screws (1).
3.3.2 Connecting the power pack / charging the batteries
CAUTION
The line voltage at the operating site must lie within the input voltage range of the original power pack (see section 7.1).
CAUTION
Use original power packs only (see section 7.1).
CAUTION
The batteries in the battery compartment are automatically
charged when the power pack is connected.
Make sure that only NiMH rechargeable batteries are in the battery
compartment. The charging process is optimized for NiMH rechargeable batteries. Other battery types can cause damage during the charging process.
20
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HandyLab 680 Commissioning
Make sure that the ambient temperature is max. 40 °C while the
power pack is connected.
1 Connect the plug of the power pack to the socket for the power
pack on the HandyLab 680.
2 Connect the original power pack to an easily accessible power
outlet.
During mains operation, one of the following symbols is displayed:
:
Mains operation with charge function
Batteries are automatically charged in the background.
:
Mains operation
Note
Charge the batteries completely prior to putting the meter into operation
for the first time. The charging process takes approx. 10 hours. The
symbol is displayed if the batteries are nearly discharged.
3.3.3 Switching on the meter
1 Press the <On/Off> key.
The meter performs a self-test.
The display shows the manufacturer's logo while the self-test
is being performed.
2 Connect the sensor.
The meter switches to the measuring mode (measured value
display).
Note
The meter has an energy saving feature to avoid unnecessary power
consumption during battery operation.
The energy saving feature switches off the meter during battery operation if no key is pressed during the adjusted interval. (How to set the
switch-off interval, see section 4.4).
The switch-off interval of the energy saving feature is not active when
the meter is supplied with power via the power pack or the USB-B
cable.
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Commissioning HandyLab 680
3.3.4 Setting the date and time
3 See section 4.3.5
22
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HandyLab 680 Operation
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Info
4 Operation
4.1 Switching on the meter
Switching on Press the <On/Off> (or <On/Off_>) key.
The meter performs a self-test.
The display shows the manufacturer's logo while the self-test is being
performed.
If a sensor is connected, the measured value display appears.
Note
If the user administration function is activated, the Login dialog appears
after the meter is switched on (see section 4.2).
The user administration function is not active in the delivery condition.
The user administration function is activated by the administrator via
the MultiLab User PC software (see the MultiLab User operating
manual).
Switching off Press the <On/Off> (or <On/Off
4.2 Login with a user name
After activation of the user administration by the administrator, measurements are only possible after login with a user name. The user
name is documented with the measured values and in records.
All user names entered by the administrator are listed in the User name
menu. The administrator determines for each user whether or not a
password is required for login to the meter.
If the Password menu item is grayed out, no password is required for
login.
_>) key.
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1 Switch on the meter with <On/Off> (or <On/Off_>).
The Login dialog box appears.
23
Operation HandyLab 680
User name Admin
Password ####
Change password
Login
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2 Using <><>, enter the User name menu item and confirm
with <MENU/ENTER>.
The user name is highlighted.
3 Using <><>, select a user name and confirm with <MENU/
ENTER>.
Note
The login is done immediately if no password is required.
If a sensor is connected the measured value display appears.
4 If a password is required:
Using <><>, enter the Password menu item and confirm
with <MENU/ENTER>.
Note
The user specifies the password when he or she first logs in with a user
name.
A valid password consists of 4 digits.
The user can change the password with the next login.
5 Change the digit of the highlighted position with <><>.
Go to the next digit of the password with <><>.
When the password was completely entered, confirm with
<MENU/ENTER>.
The login takes place. If a sensor is connected the measured
value display appears.
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HandyLab 680 Operation
Changing the password If the administrator has set up the access with password protection:
1 Switch on the meter with <On/Off> (or <On/Off_>).
The Login dialog box appears.
2Using <><>, enter the User name menu item and confirm
with <MENU/ENTER>.
The user name is highlighted.
3 Using <><>, select a user name and confirm with <MENU/
ENTER>.
4Using <><>, enter the Change password menu item and
confirm with <MENU/ENTER>.
5 Enter the old password in the Password box with <><>
and <><> and confirm with <MENU/ENTER>.
6 Enter the new password in the New password box with
<><> and <><> and confirm with <MENU/ENTER>.
The password is changed.
The login takes place. If a sensor is connected the measured
value display appears.
Forgotten the
password?
Contact the administrator.
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Operation HandyLab 680
4.3 General operating principles
This section contains basic information on the operation of the
HandyLab 680.
Operating elements,
display
Operating modes,
navigation
An overview of the operating elements and the display is given in section 1.1 and section 1.2.
An overview of the operating modes and navigation of the
HandyLab 680 is given in section 4.3.1 and section 4.3.3.
4.3.1 Operating modes
The meter has the following operating modes:
Measuring
The measurement data of the connected sensors is shown in the
measured value display
Calibration
The course of a calibration with calibration information, functions
and settings is displayed
Storage in memory
The meter stores measuring data automatically or manually
Data transmission
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
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HandyLab 680 Operation
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Info
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Info
4.3.2 Display of several sensors in measuring mode
The measured values of the connected sensors can be displayed in the
following ways:
Clear display of all connected sensors
Detailed display of one sensor
(e.g. incl. CMC feature with pH sensors)
With the softkey you can very easily switch between the two display
types. The suitable softkey is displayed, depending on the operating
situation.
4.3.3 Navigation
Measured value display In the measured value display, you can
use <><> to select one of several connected sensors. The
selected sensor is displayed with a colored background.
The following actions / menus refer to the selected sensor
open the menu for calibration and measurement settings with
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<MENU/ENTER> (short
open the system menu with the sensor-independent settings by
pressing <MENU/ENTER>Storage & config for a <MENU/
ENTER
change the display in the selected measuring window (e. g. pH ><−
mV) by pressing <M>.
_>long keystroke, approx. 2 s).
keystroke)
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Operation HandyLab 680
General
Interface
Clock function
Service information
Reset
System
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Language: Deutsch
Acoustic signal: off
Volume 9
Illumination: on
Brightness: 12
Switchoff time: 1 h
Temperature unit: °C
Stability control: on
General
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Menus and dialogs The menus for settings and dialogs in procedures contain further sub-
menus. 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 <MENU/ENTER>.
Example:
Settings
Settings are indicated by a colon. The current setting is displayed on
the right-hand side. The setting mode is opened with <MENU/
ENTER>. Subsequently, the setting can be changed with <><>
and <MENU/ENTER>. Example:
Functions
Functions are designated by the name of the function. They are
immediately carried out by confirming with <MENU/ENTER>.
Example: Display the Calibration record function.
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HandyLab 680 Operation
Calibration record
Calibration data storage
Buffer: TEC
Single-point calibration: yes
Calibration interval: 7 d
Unit for slope: mV/pH
[i] 2.00 4.01 7.00 10.01 (25 °C)
pH
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Calibration record
Calibration data storage
Buffer: TEC
Single-point calibration: yes
Calibration interval: 7 d
Unit for slope: mV/pH
[i] 2.00 4.01 7.00 10.01 (25 °C)
pH
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Messages
Information is marked by the [i] symbol. They cannot be selected.
Example:
Note
The principles of navigation are explained in the two following sections
by reference of examples:
Setting the language (section 4.3.4)
Setting the date and time (see section 4.3.5).
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Operation HandyLab 680
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Info
System
Data storage
Storage & config
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4.3.4 Example 1 on navigation: Setting the language
1 Press the <On/Off> key.
The measured value display appears.
The instrument is in the measuring mode.
2 Open the Storage & config menu with <MENU/ENTER_>.
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 <MENU/ENTER>.
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