Xylem WTW Multi 3430, Operating Manual

Page: 89 / 134

Operation
Multi 3430
89
ba75865e19 04/2015
Settings The settings are made in the menu for the measured parameter, turbid-
ity. To open the settings, display the required measured parameter in
the measured value display and press the
<MENU/ENTER> key. After
completing the settings, switch to the measured value display with
<M> .
The possible settings are individually displayed for each sensor.
Default settings are printed in
bold .
Setting menu
VisoTurb
®
900-P
4.11.4 Calibration
Why calibrate? The calibration line of the sensor is determined and stored through cal-
ibrating.
When to calibrate?

When the calibration interval has expired

at regular intervals
Menu item Possible
setting Explanation
Calibration /
Calibration record
- Displays the calibration record
of the last calibration.
Calibration /
Calibration data
storage
/ Display
- Displays the last calibration
records (max. 10)
Calibration /
Calibration data
storage
/ Output to
USB flash drive or
printer
- Outputs the stored calibration
data to a connected USB mem-
ory device/USB printer)
Calibration /
Calibration data
storage
/ Output to
RS232/USB
- Outputs the calibration data
storage to the interface
Calibration /
Calibration interval
1 ... 30 ...
999 d
Calibration interval for the tur-
bidity sensor (in days).
The meter reminds you to cali-
brate regularly by the flashing
sensor symbol in the measuring
screen.
Resolution 0.1
1
Resolution of the FNU/NTU dis-
play
Reset - Resets all sensor settings to the
delivery condition (see section
4.16.1).