Campbell Scientific 083E Relative Humidity and Temperature Sensor User Manual
Page 17
Model 083E Relative Humidity and Temperature Sensor
8.2 Limitations of RH Measurements at Below Freezing
Temperatures
The relative humidity measurement is referenced to saturated water vapor
pressure above liquid water. When air temperature is below freezing, the
maximum theoretical measurement range is limited as follows:
Air Temperature
(Deg C)
Maximum RH
(%)
0 100
-5 96
-10 92
-15 88
-20 84
-25 80
-30 76
-35 72
-40 68
-45 64
-50 60
11
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