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Reed 8706 Psychrometer / Thermo-Hygrometer


This Digital Psychrometer provides simultaneous relative humidity and air temperature readings, as well as automatically calculating wet bulb and dew point temperatures without needing to consult charts.

  • Simultaneous display of %RH, temperature and dew point or wet bulb
  • Optional external probe (87P6) for contact/differential temperature measurement
  • Max/Min/Avg readings
  • Fast response
  • Data Hold Function
  • User selectable °F/°C
  • Low battery indicator and auto shut-off
  • Includes batteries
Part Number: 8706
Attribute nameAttribute value


Temperature Range :Ambient: -20 to 70°C (4 to 158°F); Contact: -20 to 50°C (-4 to 122°F)
Temperature Resolution :0.1°C/°F
Temperature Accuracy :±0.6°C (1.0°F)
Humidity Range :0 to 100% RH
Humidity Resolution :0.1% RH
Humidity Accuracy :±3% RH
Dew Point Range :-78 to 50°C (-109 to 122°F)
Dew Point Resolution :0.1°C/°F
Dew Point Accuracy :±3%
Wet Bulb Range :-21 to 50°C (-69 to 122°F)
Wet Bulb Resolution :0.1°C/°F
Wet Bulb Accuracy :±3%
Dimensions :179 x 48 x 25 mm (7" x 1.9" x 1")
Weight :95 g (3.3 lb)