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Measurement parameter(s) Carbon dioxide
Relative humidity
Temperature
Absolute humidity*
Dew point temperature*
Enthalpy*
Mixing ratio*
Water vapor pressure*
Wet bulb
Measurement range 0 ... 2000 ppm CO2
0... 100%RH
-20 ... +60 °C (-4 ... +140 °F) T
Measurement accuracy CO2:
± (1.5 % of range + 2 % of reading)
RH:
±1.0 % (0 ... 90 % RH)
±1.7 % (90 ... 100 % RH)
T:
±0.2 °C (±0.36 °F)
Operating temperature -20 ... +60 °C (-4 ... +140 °F)
Operating voltage Rechargeable NiMH battery pack and universal AC adapter
Analog outputs 0 ... 1 V
Housing classification IP54, IP65 for Humidity probe