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7.1 Calibration Procedure
1. Fit the sensor head into a bottle of 12% humidity standard (part no
130091).
The sensor head must be above the level of the standard, as per the
diagram below.
DO NOT IMMERSE THE SENSOR.
Leave for 3 hours to allow the Relative Humidity in the bottle to
stabilise.
2. Switch the meter on.
Wait for the displayed Relative Humidity reading to stabilise (up to 3
minutes).