User Manual
Table Of Contents
- 1 Overview
- 2 Safety
- 3 Commissioning
- 4 Operation
- 4.1 Switching on the meter
- 4.2 Login with a user name
- 4.3 General operating principles
- 4.4 Sensor-independent settings
- 4.5 Sensor info
- 4.6 Channel display
- 4.7 pH value
- 4.7.1 General information
- 4.7.2 Measuring the pH value
- 4.7.3 Settings for pH measurements
- 4.7.4 pH calibration
- 4.7.5 Calibration interval
- 4.7.6 Carrying out an automatic calibration (AutoCal)
- 4.7.7 Carrying out a manual calibration (ConCal)
- 4.7.8 Displaying calibration records
- 4.7.9 Continuous measurement control (CMC function)
- 4.7.10 QSC function (sensor quality control)
- 4.8 ORP voltage
- 4.9 Dissolved oxygen
- 4.10 Conductivity
- 4.11 Data storage
- 4.12 Transmitting data (USB interfaces)
- 4.12.1 Outputting current measurement data
- 4.12.2 Transmitting data (to a PC)
- 4.12.3 Connecting the PC / USB-B interface (USB Device)
- 4.12.4 Options for data transmission to a PC (USB-B interface)
- 4.12.5 Connecting the USB memory device / USB-A interface (USB Host)
- 4.12.6 Data transmission to a USB memory device (USB-A interface)
- 4.13 Reset
- 5 Maintenance, cleaning, disposal
- 6 What to do if...
- 7 Technical data
- 8 Lists
- 9 Appendix: Firmware update

Multi 3430 Contents
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4.12.6 Data transmission to a USB memory device
(USB-A interface) . . . . . . . . . . . . . . . . . . . . . . . . 96
4.13 Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
4.13.1 Resetting the measurement settings. . . . . . . . . 97
4.13.2 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
6.3 Dissolved oxygen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
6.4 Conductivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
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 Multi 3430 . . . . . . . . . . 115
9.2 Firmware-Update for IDS Sensors . . . . . . . . . . . . . . . . 116