Xylem HandyLab 680 User Manual

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Xylem HandyLab 680 User Manual

OPERATING MANUAL

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HandyLab

680

 

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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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

3.3.2Connecting 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

4.3.2Display of several sensors in measuring mode . 27

4.3.3 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.3.4Example 1 on navigation: Setting the language. 30

4.3.5Example 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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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

4.7.6Carrying out an automatic calibration (AutoCal) . 49

4.7.7 Carrying out a manual calibration (ConCal) . . . . 53 4.7.8 Displaying calibration records. . . . . . . . . . . . . . . 57

4.7.9Continuous 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

4.9.3Settings for D.O. sensors

(menu or measurement and calibration settings) 68

4.9.4FDO® 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

4.12.4Options for data transmission to the USB-B (PC) interface and the USB-A (USB printer) interface 94

4.12.5Data transmission to the USB-A interface (USB

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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

 

 

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HandyLab 680

Overview

 

 

1 Overview

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).

 

 

3

 

 

2

 

 

1

 

HandyLab

680

 

 

1

Keypad

 

2

Display

 

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.

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Overview

HandyLab 680

 

 

F1

F2

CAL

AR

MENU

ENTER

PRT

ESC

1.1Keypad

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>:

Softkeys providing situation dependent functions, e.g.:

<F2>:

<F1>/[Info]: View information on a sensor

 

 

<On/Off>:

Switches the meter on or off

<On/Off_>:

 

<M>:

Selects the measured parameter

 

 

<CAL>:

Calls up the calibration procedure

<CAL_>:

Displays the calibration data

<AR>

Freezes the measured value (HOLD function)

 

Switches the AutoRead measurement on or off

 

 

<STO>:

Saves a measured value manually

<STO_>:

Opens the menu for the automatic save function

<RCL>:

Displays the manually stored measured values

<RCL_>:

Displays the automatically stored measured values

<><>:

Menu control, navigation

<><>:

 

 

 

<MENU/ENTER>:

Opens the menu for measurement settings / Confirms

<MENU/ENTER_>:

entries

 

Opens the menu for system settings

 

 

<PRT>

Outputs stored data to the interface

<PRT_>

Outputs displayed data to the interface in intervals

<ESC>:

Cancels an action

 

 

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Overview

 

 

1.2Display

3

 

 

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Info

22.09.2009 08:00

 

 

 

 

 

 

 

8

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

Status information

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

Measured value (with unit)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

Measured parameter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

 

Continuous measurement control (CMC function)

5Channel 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

AutoCal

Calibration with automatic buffer recognition, e.g.

indicators

e.g. TEC

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 back-

 

 

ground.

 

 

 

 

 

Data are automatically output to the USB-B inter-

 

 

face 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

 

 

 

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Overview

 

 

1.3Socket field

5

1

2

3

4

Connectors:

1Digital sensors

(pH, ORP, conductivity, D.O.)

2Power pack

3USB-A (host) interface

4USB B (device) interface

5Service 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

 

 

1.4Automatic 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 automatically

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.

1.5IDS 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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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

 

 

14

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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 warning symbol (triangle) in the left column. The signal word (e.g. "Caution") indicates the level of danger:

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.

Further notes

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

 

 

2.1Authorized 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 TECHNICAL 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.

2.2General 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 The smooth functioning and operational safety of the meter can only be operational safety guaranteed if the generally applicable safety measures and the specific safety instructions in this operating manual are followed during opera-

tion.

The smooth functioning and operational safety of the meter can only be guaranteed under the environmental conditions that are specified in

chapter 7 TECHNICAL 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.

16

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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 The purchaser of this meter must ensure that the following laws and purchaser 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

 

 

18

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HandyLab 680

Commissioning

 

 

3 Commissioning

3.1Scope 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

3.2Power 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

3.3Initial 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

1Unscrew the two screws (1) on the underside of the meter.

2Open the battery compartment (2) on the underside of the meter.

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Commissioning

HandyLab 680

 

 

1

2

3Place four rechargeable batteries (type Mignon AA) in the battery 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).

3.3.2Connecting 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.

1Connect the plug of the power pack to the socket for the power pack on the HandyLab 680.

2Connect 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

1Press the <On/Off> key.

The meter performs a self-test.

The display shows the manufacturer's logo while the self-test is being performed.

2Connect 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

 

 

3.3.4Setting the date and time

3 See section 4.3.5

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Operation

 

 

4 Operation

4.1Switching 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.

Info

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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_>) key.

4.2Login 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.

1Switch on the meter with <On/Off> (or <On/Off_>). The Login dialog box appears.

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Operation

HandyLab 680

 

 

Login

 

 

 

User name

Admin

Password

####

Change password

 

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2Using <><>, enter the User name menu item and confirm with <MENU/ENTER>.

The user name is highlighted.

3Using <><>, 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.

4If 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.

5Change 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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Operation

 

 

Changing the password If the administrator has set up the access with password protection:

1Switch 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.

3Using <><>, select a user name and confirm with <MENU/ ENTER>.

4Using <><>, enter the Change password menu item and confirm with <MENU/ENTER>.

5Enter the old password in the Password box with <><> and <><> and confirm with <MENU/ENTER>.

6Enter 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 Contact the administrator. password?

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Operation

HandyLab 680

 

 

4.3General operating principles

This section contains basic information on the operation of the

HandyLab 680.

Operating elements, An overview of the operating elements and the display is given in sec- display tion 1.1 and section 1.2.

Operating modes, An overview of the operating modes and navigation of the navigation HandyLab 680 is given in section 4.3.1 and section 4.3.3.

4.3.1Operating 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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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.

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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

<MENU/ENTER> (short keystroke)

open the system menu with the sensor-independent settings by

pressing <MENU/ENTER>Storage & config for a <MENU/ ENTER_>long keystroke, approx. 2 s).

change the display in the selected measuring window (e. g. pH ><− mV) by pressing <M>.

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Operation

HandyLab 680

 

 

Menus and dialogs The menus for settings and dialogs in procedures contain further submenus. 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:

System

General

Interface

Clock function

Service information

Reset

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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:

General

 

 

 

Language:

Deutsch

Acoustic signal:

off

Volume

9

Illumination:

on

Brightness:

12

Switchoff time:

1 h

Temperature unit:

°C

Stability control:

on

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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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Operation

 

 

pH

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)

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Messages

Information is marked by the [i] symbol. They cannot be selected. Example:

pH

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)

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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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4.3.4Example 1 on navigation: Setting the language

1Press the <On/Off> key.

The measured value display appears. The instrument is in the measuring mode.

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2Open the Storage & config menu with <MENU/ENTER_>. The instrument is in the setting mode.

Storage & config

System

Data storage

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3Select the System submenu with <><>. The current selection is displayed with a frame.

4Open the System submenu with <MENU/ENTER>.

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