Testo 605 i thermohygrometer with fixed sensors

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  • Temperature and relative humidity meter
  • Automatic calculation of dew point temperature and wet thermometer temperature
  • Analysis of measurement data via the "testo Smart Probes App"
  • Clear identification of moisture-prone areas and marking this with the traffic light principle
  • Measuring range: 0 -100 %humidity; -20 to +60 °C
The testo 605i compact temperature and humidity meter combines professional measurement technology with a modern solution such as a smartphone or tablet.

The mobile application "testo Smart Probes App" allows you to view measurements and archive measurements. The app also performs automatic calculations of dew point temperature and wet thermometer temperature. The Testo Smart Probes App allows precise analysis of results using lists, graphs and tables. Readings can be sent via email and Exel file. These meters are perfect for testing the effectiveness of an air dryer.

Minimum requirements:
- iOS 8.3 or later
- Android 4.3 or later
- Bluetooth 4.0

The kit consists of the Testo 605i Thermohygrometer and includes batteries and a factory calibration protocol.

Technical specification testo 605 i

Measurement range NTC [°C]

-20 to +60 °C

Accuracy [°C]

±0,8 °C (-20 to 0 °C)

±0,5 °C (0 to +60 °C)

Resolution [°C]

0,1 °C

Measurement range humidity  [%RH]

0 to 100 %RH

Accuracy [%RH]

5 to 80 %RH: ±(1,8 %RH + 3 ) at +25 °C

Resolution [%RH]

0,1 %RH

Weight [g]

86,4 g

Dimensions [mm]

243 x 30 x 24 mm

Battery life 150 h
Model Parameter
testo 605 i temperature, relative humidity, dew point, wet thermometer temperature

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