wtw Multi 350i, Operating Manual

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Multi 350i Operation
61
4.7.4 Settings for conductivity measuring cells
Overview The following settings are possible for conductivity measuring cells:
!
Measured variable
!
Reference temperature
!
Temperature compensation
!
TDS factor
!
Calibration interval
!
Measuring cell/cell constant
Settings The settings are made in the measuring menu of the conductivity mea-
surement. To open the settings, activate the relevant measuring win-
dow in the measured value display and press the
<MENU/ENTER> key
shortly. After completing the settings, switch to the measured value dis-
play with
<M> .
Menu item Possible
setting Description
Calibration / Calibra-
tion interval
1 ... 999 d Calibration interval for the
measuring cell (in days).
The measuring instrument re-
minds you to calibrate regu-
larly by the flashing sensor
symbol in the measuring win-
dow.
Calibration / Calibra-
tion record
- Displays the calibration
record of the last calibration.
Reset - Resets all sensor settings to
the delivery condition (see
section 4.10.1).
Temp. comp. (TC) /
Reference temp.
20 °C
25 °C Reference temperature
This setting is only available
when the
Conductivity or
Spec. resist. display is set.
Temp. comp. (TC) /
Compensation
nLF
lin
Off Procedure for temperature
compensation (see
section 4.7.3).
This setting is only available
when the
Conductivity or
Spec. resist. display is set.