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15.1.5.2.3
Calibration of the zero point
Calibrating the controller diaLog DACb
CAL O2
Calibration not possible
Slope
Before calibration
After calibration
A
Zero point
Cancel with <ESC>
Fig. 74: Unsuccessful calibration
11.
Use CAL to end
n
Press ESC to cancel
n
12.
Check the sensor and installation once again and repeat the
calibration procedure.
Calibration of the zero point is only needed for precise measure‐
ments at the lower end of the measuring range (< 5% of the meas‐
uring range).
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. 75: Introduction: Calibration of the zero point
1.
Use OK to select the calibration process: Calibration of the
zero point.
ð The display appears as follows:
---
End with <CAL>
22.09.2019 14:22:33
i
A2855
A2860
105
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