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

Overview Multi 3430
8
ba75865e11 02/2011
The two USB interfaces (USB-A and USB-B) enable you to:
z Transmit data to
– a USB memory device
–a PC
z Update the meter firmware.
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
_>).
M
F1
F2
ARCAL
PRT ESCRCLSTO
MENU
ENTER
MENU
ENTER
Multi 3430
<F1>:
<F2>:
Softkeys providing situation dependent functions, e.g.:
<F1>/[Info]: View information on a sensor
<On/Off>: Switches the meter on or off
<M>: Selects the measured parameter
<CAL>:
<CAL
_>:
Calls up the calibration procedure
Displays the calibration data
<AR> Freezes the measured value (HOLD function)
Switches the AutoRead measurement on or off
F1
F2
CAL
ARAR