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Step
Action
7
Immerse the sensor in air-saturated water or position it in water va-
por-saturated air (see Chapter 18.2.1 "Calibration methods for O-
DO sensors", page 100). If you use water vapor-saturated air, en-
sure constant air pressure, constant temperature and that no water
drops adhere to the membrane during the calibration procedure.
Wait until the measured value displayed stabilizes and then con-
firm the result of the measurement by pressing "OK".
8
The device displays the current measured value of oxygen satura-
tion and the test material temperature. The setpoint value for oxy-
gen saturation of 100 %Sat is set automatically by the device. The
user does not need to make any entries here.
9
Wait until the measured value displayed stabilizes and then con-
firm the result of the measurement by pressing "OK"
10
A protocol summarizing the calibration values determined then ap-
pears. Acknowledge the protocol by pressing "OK".
Failed calibrations are canceled at this point and discarded.
11
Press "Yes" to accept the Calibration values determined and enter
the Calibration in the Calibration logbook.
Press "No" to discard the results.
18 Calibrating O-DO sensors
105
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