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The testo 625 thermohygrometer comes into its own in all situations where the right indoor climate is crucial, i.e. in archives, storerooms, buildings and greeenhouses. Calculates the dew point and wet bulb temperature quickly and accurately.


The testo 625 compact thermohygrometer has a humidity sensor which measures the air temperature and RH. It can also calculate the dew point and wet bulb temperature.

The meter has a hold function that freezes the last reading and powers off automatically to conserve battery power. A longlife humidity sensor ensures that you will get the best possible results for years to come and the easy-to-read, backlit display shows min/max readings at the touch of a key.

What's Included:
  • Testo 625 thermohygrometer, humidity sensor head, calibration certificate, batteries.

Key Features:
  • Measures air temperature/RH
  • Calculates dew point/wet bulb temperature
  • Displays min/max values, hold function, power off mode
  • Integrated longlife humidity sensor for long lasting quality
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Manuals (2)
Product Type:





2 Year

Battery Life:

70 Hours (without radio operation)


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