Multi 9310 Dissolved oxygen
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Criteria for a stable
measured value
The Stability control function checks whether the measured values are stable
within the monitored time interval.
The minimum duration until a measured value is assessed as stable is the mon-
itored time interval. The actual duration is mostly longer.
7.1.2 Measuring the temperature
For reproducible D.O. measurements, it is essential to measure the tempera-
ture of the test sample.
IDS D.O. sensors measure the temperature with a temperature sensor inte-
grated in the IDS sensor.
Measured parame-
ter
Time interval Stability in the time interval
D.O. concentration 20 seconds
∆ : better than 0.03 mg/l
D.O. saturation 20 seconds
∆ : better than 0.4 %
D.O. partial pressure 20 seconds
∆ : Better than 0.8 mbar
Temperature 20 seconds
∆ T (° C): Better than 0.02
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