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Operating manual
Multi 3410
Digital pH / D.O. / conductivity meter for a digital IDS sensor
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Multi 3410
Accuracy when The use of advanced technology and the high quality standard of our instru- going to press ments are the result of a continuous development. This may result in differ-
ences between this operating manual and your meter. Also, we cannot guarantee that there are absolutely no errors in this manual. Therefore, we are sure you will understand that we cannot accept any legal claims resulting from the data, figures or descriptions.
Copyright © Weilheim 2011, WTW GmbH
Reproduction in whole - or even in part - is prohibited without the express written permission of WTW GmbH, Weilheim.
Printed in Germany.
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Multi 3410 |
Contents |
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Multi 3410 - Contents
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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1.1 |
Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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1.2 |
Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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1.3 |
Socket field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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1.4 |
Automatic sensor recognition . . . . . . . . . . . . . . . . . . . . . |
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1.5 |
IDS sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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1.6 |
IDS adapter for analog sensors . . . . . . . . . . . . . . . . . . . |
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Safety . . . . |
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2.1 |
Authorized use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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2.2 |
General safety instructions . . . . . . . . . . . . . . . . . . . . . . . |
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Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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3.1 |
Scope of delivery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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3.2 |
Power supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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3.3 |
Initial commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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3.3.1 Inserting the rechargeable batteries. . . . . . . . . . |
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3.3.2 Connecting the power pack / charging the |
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batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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3.3.3 Switching on the meter. . . . . . . . . . . . . . . . . . . . |
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3.3.4 |
Setting the date and time . . . . . . . . . . . . . . . . . |
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Operation . . |
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4.1 |
Switching on the meter . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.2 |
Login with a user name . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.3 |
General operating principles . . . . . . . . . . . . . . . . . . . . . . |
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4.3.1 |
Operating modes . . . . . . . . . . . . . . . . . . . . . . . . |
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4.3.2 |
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.3.3 Example 1 on navigation: Setting the language. 29 |
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4.3.4 Example 2 on navigation: Setting the date and |
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time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.4 |
Sensor-independent settings . . . . . . . . . . . . . . . . . . . . . |
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4.4.1 |
System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.4.2 |
Data storage. . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.4.3 |
Automatic Stability control . . . . . . . . . . . . . . . . . |
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4.4.4 |
Automatic switch-off . . . . . . . . . . . . . . . . . . . . . . |
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4.4.5 |
Display illumination . . . . . . . . . . . . . . . . . . . . . . |
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4.5 Sensor info. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 4.6 pH value. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 4.6.1 General information . . . . . . . . . . . . . . . . . . . . . . 38 4.6.2 Measuring the pH value . . . . . . . . . . . . . . . . . . . 39 4.6.3 Settings for pH measurements . . . . . . . . . . . . . . 41 4.6.4 pH calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 4.6.5 Calibration interval . . . . . . . . . . . . . . . . . . . . . . . 49
4.6.6Carrying out an automatic calibration (AutoCal) . 50
4.6.7 Carrying out a manual calibration (ConCal) . . . . 54 4.6.8 Displaying calibration records. . . . . . . . . . . . . . . 58
4.6.9Continuous measurement control (CMC
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function) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.6.10 |
QSC function (sensor quality control) . . . . . . |
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4.7 |
ORP voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.7.1 |
General information . . . . . . . . . . . . . . . . . . . . . . |
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4.7.2 |
Measuring the ORP . . . . . . . . . . . . . . . . . . . . . . |
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4.7.3 |
Settings for ORP measurements . . . . . . . . . . . . |
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4.8 |
Dissolved oxygen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.8.1 |
General information . . . . . . . . . . . . . . . . . . . . . . |
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4.8.2 |
Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.8.3Settings for D.O. sensors
(menu or measurement and calibration settings) 70
4.8.4FDO® Check procedure (check of the FDO®
925) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 4.8.5 D.O. calibration . . . . . . . . . . . . . . . . . . . . . . . . . . 74 4.8.6 Displaying calibration records. . . . . . . . . . . . . . . 77 4.9 Conductivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 4.9.1 General information . . . . . . . . . . . . . . . . . . . . . . 78 4.9.2 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 4.9.3 Temperature compensation . . . . . . . . . . . . . . . . 81 4.9.4 Settings for IDS conductivity sensors . . . . . . . . . 82
4.9.5Determining the cell constant
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(calibration in control standard) . . . . . . . . . . . . . |
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4.9.6 |
Displaying calibration records. . . . . . . . . . . . . . . |
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4.10 Data storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.10.1 |
Manual storage . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.10.2 |
Automatic storage at intervals . . . . . . . . . . . . |
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4.10.3 |
Editing the measurement data storage. . . . . . . . |
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4.10.4 |
Erasing the measurement data storage . . . . . . . |
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4.11 Transmitting data (USB interfaces) . . . . . . . . . . . . . . . . . |
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4.11.1 |
Outputting current measurement data . . . . . . . . |
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4.11.2 |
Transmitting data (to a PC). . . . . . . . . . . . . . . . . |
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4.11.3 |
Connecting the PC / USB-B interface (USB |
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Device) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.11.4 |
Options for data transmission to a PC (USB-B |
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interface). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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4.11.5 |
Connecting the USB memory device / USB-A |
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interface (USB Host) . . . . . . . . . . . . . . . . . . . |
96 |
4.11.6 |
Data transmission to a USB memory device |
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(USB-A interface) . . . . . . . . . . . . . . . . . . . . . . . . 96 4.12 Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 4.12.1 Resetting the measurement settings. . . . . . . . . 97 4.12.2 Resetting the system settings . . . . . . . . . . . . . . 99
5 Maintenance, cleaning, disposal . . . . . . . . . . . . . . . . |
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5.1 |
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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5.1.1 Replacing the rechargeable batteries . . . . . . . |
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5.2 |
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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5.3 |
Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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5.4 |
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
102 |
6 What to do if... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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6.1 |
General information. . . . . . . . . . . . . . . . . . . . . . . . . . . . |
103 |
6.2 |
pH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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6.3 |
Dissolved oxygen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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6.4 |
Conductivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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7.1 |
General data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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7.2 |
Measuring ranges, resolution, accuracy . . . . . . . . . . . . |
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Lists |
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111 |
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Appendix: Firmware update. . . . . . . . . . . . . . . . . . . . |
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9.1 |
Firmware update for the meter Multi 3410 . . . . . . . . . . |
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9.2 |
Firmware-Update for IDS Sensors . . . . . . . . . . . . . . . . |
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Contents |
Multi 3410 |
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Multi 3410 |
Overview |
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1 Overview
The compact, digital precision meter Multi 3410 enables you to carry out pH measurements, ORP measurements, conductivity measurements and dissolved oxygen (D.O.) measurements quickly and reliably.
The Multi 3410 provides the maximum degree of operating comfort, reliability and measuring certainty for all applications.
The Multi 3410 supports you in your work with the following functions:
zproven calibration procedures
zautomatic stability control (AR),
zautomatic sensor recognition,
zCMC (continuous measurement control)
zQSC (sensor quality control).
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1
1Keypad
2Display
3Socket field
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F1
F2
CAL
AR
The two USB interfaces (USB-A and USB-B) enable you to:
zTransmit data to
–a USB memory device
–a PC
zUpdate the meter firmware.
1.1Keypad
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CAL |
AR |
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PRT |
STO |
RCL |
ESC |
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MENU |
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ENTER |
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Multi 3410 |
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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 |
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<On/Off>: |
Switches the meter on or off |
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<M>: |
Selects the measured parameter |
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<CAL>: |
Calls up the calibration procedure |
<CAL_>: |
Displays the calibration data |
<AR> |
Freezes the measured value (HOLD function) |
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Switches the AutoRead measurement on or off |
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MENU ENTER
PRT
<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 |
<S><T>: |
Menu control, navigation |
<W><X>: |
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<MENU/ENTER>: |
Opens the menu for measurement settings / Confirms |
<MENU/ENTER_>: |
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Opens the menu for system settings |
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<PRT> |
Outputs stored data to the interface |
<PRT_> |
Outputs displayed data to the interface in intervals |
1.2Display
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Info |
22.09.2009 08:00 |
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Status information |
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Measured value (with unit) |
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Measured parameter |
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Continuous measurement control (CMC function) |
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Sensor symbol (calibration evaluation, calibration interval) |
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Measured temperature (with unit) |
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Softkeys and date + time |
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Overview |
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Function display |
AutoCal |
Calibration with automatic buffer recognition, e.g. |
indicators |
e.g. TEC |
with the buffer set: Technical buffers |
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ConCal |
Calibration with any buffers |
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Error |
An error occurred during calibration |
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AR |
Stability control (AutoRead) is active |
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HOLD |
Measured value is frozen (<AR> key) |
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Batteries are almost empty |
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Mains operation |
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Mains operation with charge function |
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Batteries are automatically charged in the back- |
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ground. |
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Data are automatically output to the USB-B inter- |
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face at intervals |
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Data are output to the USB-A interface (USB flash |
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drive) |
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Power supply via the USB-B interface |
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Batteries are not being charged |
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1.3Socket field
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3 |
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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).
WTW IDS sensors and IDS adapters meet these requirements.
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Overview |
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1.4Automatic sensor recognition
The automatic sensor recognition for IDS sensors allows
zto operate an IDS sensor at different meters without recalibration
zto operate different IDS sensors at one meter without recalibration
zto assign measurement data to an IDS sensor
–Measurement datasets are always stored and output with the sensor name and sensor series number.
zto 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.
zto activate the correct cell constant for conductivity sensors automatically
zto 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. Multi 3410) 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
zsupport the automatic sensor recognition
zshow only the settings relevant to the specific sensor in the setting menu
zprocess signals in the sensor digitally so that precise and interfer- ence-free measurements are enabled even with long cables
zfacilitate to assign a sensor to a measured parameter with differently colored couplings
zhave quick-lock couplings with which to fix the sensors to the meter.
Note
Information on available IDS sensors is given on the Internet and in the WTW catalog, "Laboratory and field instrumentation".
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Overview |
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Sensor data from IDS sensors
IDS sensors transmit the following sensor data to the meter:
zSENSOR ID
–Sensor name
–Sensor series number
zCalibration 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
zMeasurement 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.
1.6IDS adapter for analog sensors
With the aid of an IDS adapter, you can also operate analog sensors on the Multi 3410. An IDS adapter and analog sensor together behave like an IDS sensor.
The measuring electronics with the stored adapter data are in the adapter head. The adapter data correspond to the sensor data.
Note
Information on available IDS adapters is given on the Internet and in the WTW catalog, "Laboratory and field instrumentation".
Detailed information on the IDS adapter is given in the operating manual of the adapter.
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Overview |
Multi 3410 |
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Safety |
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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 |
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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.
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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:
zhas been damaged in transport
zhas been stored under adverse conditions for a lengthy period of time
zis visibly damaged
zno 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:
zEEC directives for protective labor legislation
zNational protective labor legislation
zSafety regulations
zSafety 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.WTW.com.
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3 Commissioning
3.1Scope of delivery
zMeter Multi 3410
z4 NiMH rechargeable batteries 1.2 V Mignon type AA
zUSB cable (A plug on mini B plug)
zPower pack
zShort instructions
zDetailed operating manual (4 languages)
zCD-ROM
3.2Power supply
The Multi 3410 is supplied with power in the following ways:
zBattery operation with NiMh rechargeable batteries
zMains operation with the supplied power pack.
The NiMh rechargeable batteries are automatically charged while the power pack is connected.
zUSB operation via a connected USB-B cable.
The inserted NiMh rechargeable batteries are not charged
3.3Initial commissioning
Perform the following activities:
zInsert the rechargeable batteries and charge them
zConnect the power pack (mains operation / battery charging)
zSwitch on the meter
zSet the date and time
3.3.1Inserting 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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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.
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1Connect the plug of the power pack to the socket for the power pack on the Multi 3410.
2Connect the original power pack to an easily accessible power outlet.
During mains operation, one of the following symbols is displayed:
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Mains operation with charge function |
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Batteries are automatically charged in the background. |
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Mains operation |
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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.
3.3.3Switching 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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3.3.4Setting the date and time
3 See section 4.3.4
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4 Operation
4.1Switching on the meter
Switching on 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.
If a sensor is connected, the measured value display appears.
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Switching off Press the <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>. The Login dialog box appears.
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Login |
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User name |
Admin |
Password |
#### |
Change password |
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2, enter the Benutzername menu item and confirm with <MENU/ ENTER>.
The user name is highlighted.
3<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.
5.
.
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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Changing the password If the administrator has set up the access with password protection:
1Switch on the meter with <On/Off>. The Login dialog box appears.
2, enter the Benutzername menu item and confirm with <MENU/ ENTER>.
The user name is highlighted.
3<MENU/ENTER>.
4, enter the Change password<MENU/ENTER>.
5Enter the old password in the Password and and confirm with
<MENU/ENTER>.
6Enter the new password in the New password 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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4.3General operating principles
This section contains basic information on the operation of the
Multi 3410.
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 Multi 3410 is navigation given in section 4.3.1 and section 4.3.2.
4.3.1Operating modes
The meter has the following operating modes:
zMeasuring
The measurement data of the connected sensor is shown in the measured value display
zCalibration
The course of a calibration with calibration information, functions and settings is displayed
zStorage in memory
The meter stores measuring data automatically or manually
zData transmission
The meter transmits measuring data and calibration records to a USB-B interface automatically or manually.
zSetting
The system menu or a sensor menu with submenus, settings and functions is displayed
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4.3.2Navigation
Measured value display In the measured value display, you can
zopen the menu for calibration and measurement settings with
<MENU/ENTER> (short keystroke)
zopen the system menu with the sensor-independent settings by
pressing <MENU/ENTER>Storage & config for a <MENU/ ENTER_>long keystroke, approx. 2 s).
zchange the display in the selected measuring window (e. g. pH ><− mV) by pressing <M>.
Menus and dialogs The menus for settings and dialogs in procedures contain further submenus. The selection is made with the <S><T> keys. The current selection is displayed with a frame.
zSubmenus
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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zSettings
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 <S><T> 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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zFunctions
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.
pH
Calibration record
Calibration data storage |
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Buffer: |
TEC |
Single-point calibration: |
Yes |
Calibration interval: |
7 d |
Unit for slope: |
mV/pH |
[i] 2.00 4.01 7.00 10.01
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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
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Note
The principles of navigation are explained in the two following sections by reference of examples:
zSetting the language (section 4.3.3)
zSetting the date and time (see section 4.3.4).
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4.3.3Example 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 <S><T>. The current selection is displayed with a frame.
4Open the System submenu with <MENU/ENTER>.
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System
General
Interface
Clock function
Service information
Reset
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5Select the General submenu with <S><T>. The current selection is displayed with a frame.
6Open the General submenu with <MENU/ENTER>.
General
Language: |
Deutsch |
Acoustic signal: |
Off |
Illumination: |
On |
Kontrast: |
50 % |
Switchoff time: |
1 h |
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7Open the setting mode for the Language with <MENU/ ENTER>.
General |
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Language: |
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Deutsch |
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Acoustic signal: |
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Off |
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Illumination: |
On |
Brightness: |
50 % |
Switchoff time: |
1 h |
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