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

Operation Multi 3430
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ba75865e11 02/2011
4.12 Transmitting data (USB interfaces)
4.12.1 Outputting current measurement data
4.12.2 Transmitting data (to a PC)
The meter has the following interfaces:
z USB-B interface (USB Device)
e.g. to connect a PC
z USB-A interface (USB Host),
e.g. to connect a USB flash drive
Via the USB-B interface (USB Device) you can transmit data to a PC or
printer and update the meter software.
Via the USB-A interface (USB Host) it is possible to transfer data to an
external USB memory device.
4.12.3 Connecting the PC / USB-B interface (USB Device)
Connect the Multi 3430 to the PC via the USB-B interface.
Installation of the USB
driver on the PC
System requirements of the PC for installation of the USB driver:
z PC with at least one free USB connection and CD-ROM drive
z Windows 2000, Windows XP, Windows Vista or Windows 7.
1 Output the current measurement data to the USB-B interface
with <PRT>.
1 Insert the supplied installation CD in the CD drive of your PC.
2 Install the driver from the CD.
Follow the Windows installation instructions as necessary.
3 Connect the Multi 3430 to the PC via the USB-B interface.
The meter is listed as a virtual COM interface among the con-
nections in the Windows instrument manager.