Handheld Humidity and Temperature Meter HM70

Vaisala HUMICAP® HM70 Handheld is designed for demanding humidity measurement in spot-checking applications. It is also ideal for field checking and calibration of Vaisala's fixed humidity instruments.

The HM70 includes an MI70 indicator and an optional probe depending on the application.

  • HMP75 with standard plastic grid
  • HMP75B (chemical purge and sensor preheating)
  • HMP76 with standard sintered bronze filter
  • HMP76B (chemical purge and sensor preheating)
  • HMP77 with standard plastic grid and stainless steel netting
  • HMP77B (chemical purge and sensor preheating)

The optional MI70 Link Windows® software in combination with a USB connection cable is used to transfer logged data and real time measurement data from the HM70 to a PC.

Download free MI70 Link Windows® software here.

Click here to download bid specs for USA.

RH measurement range 0…100 % RH
3 probes, temperature measurement ranges between -70 and +180 °C
Multiprobe operation; dewpoint and CO2 probes can also be connected
Displays various humidity parameters
Sensor preheat and chemical purge options for demanding conditions
Traceable calibration (certificate included)
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Key Benefits

Easy data logging
Data can be logged, and transferred to a PC via MI70 Link software.
Multilingual user interface
English, German, French, Finnish, Spanish, Swedish, Chinese, Russian or Japanese. Shows trends graphically.
Rugged and reliable
Suitable also for use in extreme conditions.

Watch the video

How to Calibrate Vaisala HMT330 with HM70 Hand-Held

Product Resources

Sanna Lehtinen calibrating HMT330 with HM70 Hand-Held

One-point in-situ calibration – the fast, easy option

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Customer Stories