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Measurement parameter(s) Relative humidity
Temperature
Absolute humidity*
Dew point temperature*
Enthalpy*
Mixing ratio*
Wet bulb*
Measurement range 0 ... 100 % RH
-40 ... +60 °C (-40 ... +140 °F) T
Measurement accuracy At temperature +0 ... 40 °C (+32 ... +104 °F):
±1.5 % RH (0 ... 90 % RH)
±2.5 % RH (90 ... 100 % RH)
±0.2 °C T
Operating temperature For probe -40 ... +60 °C (-40 ... +140 °F) T
Operating voltage 2xAA-size alkaline batteries, type IEC LR6
Housing classification IP54