HD1 - ThermoHygrometer

The compact HD1 thermo hygrometer display is ideal for control of temperature, relative humidity and dew point in cabinets, rooms or your work environment. You can mount the HD1 easily on the wall thanks to its integrated fastening points or set it up on a flat surface at your workplace.


  • Bench-top & wall display for humidity, temperature and dew point
  • MAX/MIN/AVG function
  • Audible & visual alarm
  • Time & Date
  • Easy use
  • Industrial accuracy
  • Outstanding value for money

Delivery package

  • Factory certificate
  • 4 AA batteries
  • Short instruction manual
Device type Wall or bench-top display
Parameters Relative humidity and temperature
Range of application 0…50 °C / 0…95 %RH, non-condensing
Accuracy ±3 %RH (@ 25 °C, 10-90 %RH), remaining range ±5 %RH / ±0.5 K
Resolution 0.1 °C / °F / %RH
Measurement ranges 0…50 °C / 32…+122 °F / 0…100 %RH
Power supply 4 x AA batteries
Battery lifetime About 1 year
Humidity sensor ROTRONIC HYGROMER® IN-1
Temperature sensor NTC
Psychrometric calculations Dew point calculation: -20…50 °C / -4…122 °F
Measurement interval 10 s
Minimum measurement, shows the minimum value since the last reset
Maximum measurement, shows the maximum value since the last reset
Average value over the last 7 days
LED indicator Flashing red:
When alarm values have been reached (Hi/Lo)
Acoustical alarm (Beeper) When alarm values have been reached (Hi/Lo)
Housing ABS
Dimensions 98 x 120 x 40 mm (H x W x D)

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+41 44 838 11 11

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