Handheld Humidity and Temperature Meter HM70

Note that the HM70 handheld is being discontinued. It is replaced by Indigo80 Handheld Indicator and HMP80 Series Handheld Humidity and Temperature Probes. Do not specify HM70 for new projects, instead view Indigo family products that are also designed for use in demanding applications.

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)

Keen on HM70 handheld meter? You are going to love Indigo80.

Vaisala's Indigo80 Handheld Indicator is an industrial-grade portable meter designed for spot-checking, troubleshooting and calibrating with Indigo-compatible humidity and temperature probes. Ideal for spot-checking sensor accuracy, as well as short-term data logging and process monitoring, the Indigo80 can communicate simultaneously with up to two Vaisala probes and transmitters to provide accurate measurements for a wide range of parameters.

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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.

HM70 Features

  • 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)

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.

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