E+E Elektronik OMNIPORT 20 Manuel page 45

Manual
page 46
Two point calibration for relative humidity
CAL2L, CAL2H: in menu CAL2L the lower value and in menu
CAL2H the higher value can be calibrated. The lower value should
be between 0%...40% r. h. (preferably 33%r.h.) and the higher
value should be between 60...95% r.h. (preferably 76%r.h.).
A two point calibration is only possible within the range !.
The max. offset per point is +/- 10% rel humidity.
It can be set with increments of 0.1%
Important: Two point calibrations should preferable be carried
out by accredited calibration laboratories !
Factory calibration can be restored by entering offset 0.0
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