ProMinent DULCOMETER Assembly And Operating Instructions Manual page 63

Compact controller measurement: inductive conductivity
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1.
Calibrate at the first calibration temperature calibration temperature; this calibration
temperature should be close to the selected reference temperature.
[CAL] to accept the first calibration point. At the same time the temperature
2.
Press
ranges for the second temperature value are given.
3.
Important note:
the second calibration temperature (minimum temperature difference ± 10 °C)
4.
If the measured temperature has changed by more than 2 °C,
5.
If the temperature has changed by more than 10 °C,
you can now terminate calibration if the displayed temperature value no longer
changes (fluctuation < 0.3% of the value displayed). To do so, press
6.
When the Maximum/Minimum temperature has been reached,
played
ð You can now terminate calibration. To do so, press
This process may take 10 ... 20 minutes depending on the type of
sensor.
[CAL] to accept the temperature coefficient or [ESC] to discard it
7.
Use
Sensor status
Display
Meaning
[OK]
In order
[WRN]
Warning
[ERR]
Error
[ΔTcal] = Temperature difference of the calibration liquids
[CHANGE TEMP] , now immerse the sensor in the same liquid with
Status
[ΔTcal] > 20 °C
[ΔTcal] = 10 °C...20 °C
[ΔTcal] < 10 °C
Operating menus
[WAIT] is displayed.
[STABLE?] is displayed, and
[CAL] .
[ACCEPT?] is dis‐
[CAL] .
63

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