9.4.1
Selecting the calibration
process for amperometric
measured variables
There are two calibration processes avail‐
able for calibrating the controller:
n Calibrating the slope
n Calibrating the zero point
Selecting the calibration process
1.
Continuous display ➨
CAL Cl
A1039
Zero point
Slope
Slope calibration
Calibration of zero point
4.00 mA
Last calibration 31.03. 2013 13:11:11
100 %
Fig. 56: [Chlorine] calibration menu
ð
The calibration menu is dis‐
played.
2. Use the arrow keys to select the
chosen menu item. Press
ð
You can now start your chosen
calibration process.
9.4.2 Calibrating the slope
CAUTION!
Correct sensor operation / Run-in
period
Damage to the product or its sur‐
roundings
– Correct measuring and metering
is only possible if the sensor is
working perfectly
– Please read the operating manual
for the sensor
– Please also read the operating
manuals for the fittings and other
components used
– It is imperative that the run in
periods of the sensors are
adhered to
– The run in periods should be
allowed for when planning com‐
missioning
– It may take an entire working day
to run in the sensor
Calibration
85
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