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Calibrating the controller diaLog DACb
CAL O2
Last calibration
Slope
100% (0.80 mA/ppm)
Zero point
4.00 mA
Calibration of the slope in air
Slope calibration by
reference measurement in water
Calibration of zero point
Fig. 64: Calibration of the slope in air
3.
Use OK to select the calibration process: Calibration of the
slope in air.
ð The display appears as follows:
CAL O2
Temperature
Process temperature
Air pressure
Higher than NNl
Conductivity
Salinity
1) Enter correcting value
2) continue with <CAL>
Fig. 65: Correction variable values
4.
Enter the current values for the correction variables: Use OK
to select the correction variable. Use the arrow keys to enter
the values.
5.
Use CAL to continue.
ð The display appears as follows:
CAL O2
Latest sensor measured values
Concentration
Sensor current
1) Immerse sensor in
buffer
2) Wait for the stability of the measured value
Fig. 66: Keeping the sensor in air saturated with water vapour
6.
Keep the sensor in air saturated with water vapour.
22.09.2019 14:22:33
Manual
10 °C
1013 mbar
300 m
0.0 mS/cm
0 g/l
11.10 ppm
12.61 mA
A2851
A2852
A2853
101
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