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Absolute Calibration

Calibration : Humidity

Humidity

Humidity calibration is carried out in a Sanyo MBW 473W Dew Point Hygrometer
humidity chamber with a GE chilled mirror sensor and platinum resistance thermometers.

Smaller sensors can also be calibrated in our Rotronic HygroGen 2 humidity and temperature generator which gives an accuratley controlled environment and the readings are taken with an MB3 473 high performance chilled mirror hygrometer.

 

The range of measurements is from 5% to 98% rh within a temperature calibration range of 10°C to 85°C. The measurement uncertainty is from 2% rh for temperatures below 50°C and from 2.5% for temperatures above 50°C.

Back Link to UKAS Schedule 0078