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Calibrating the controller diaLog DACb
106
CAL O2
Zero point 4.05 mA
Range
Accept with <CAL>
Fig. 76: Zero point
2.
Position the sensor in an oxygen-free environment e.g. in
water with a slight excess of sodium hydrogen sulfite and
wait until the signal is stable
3.
Use CAL to accept
4.
The display appears as follows if calibration is successful:
CAL O2
Calibration successful
Slope
Before calibration
After calibration
A
Zero point
Cancel with <ESC>
Fig. 77: Successful calibration
5.
Use CAL to confirm
n
Press ESC to cancel
n
6.
The display appears as follows if calibration is unsuccessful:
3.95 mA - 4.15 mA
End with <CAL>
A2861
A2854
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