Testo 622 - thermohygrometer with pressure measurement and calibration protocol

The testo 622 comes with both a wall and a table mount so that you can decide where best to put it. The thermo hygrometer and barometer provides you with all the information you need on the ambient air temperature and pressure and the relative humidity.

The compact design, the large, easy-to-read display, the rate at which the meter carries out measurements and a battery life of up to 12 months ensure that your testo 622 is well-equipped to monitor the ambient air and provide you with accurate and reliable results. The batteries are easy to replace.

  • Precise measurement of temperature, humidity and pressure
  • All relevant values are immediately available: current measured values with date and time
  • Possibility of making settings and calibrating the meter at the place of measurement
  • Calibration reminder function

Delivery range: Testo 622 thermohygrometer, wall or desk mount, batteries and factory calibration certificate.

Technical data:

Humidity - Capacitive

Measuring range

0 to 100 %RH


±2 %RH + 1 Digit at 25 °C (10 to +90 %RH)

±3 %RH Remaining Range


0.1 %RH

Please see the additional accuracy information for humidity in the instruction manual.

Absolute Pressure

Measuring range

300 to 1200 hPa


±3 hPa


0.1 hPa

General technical data


240 g (without batteries)


185 x 105 x 36 mm

Operating temperature

-10 to +60 °C

Measuring rate

10 s

Product-/housing material


Protection class




Battery type

4 x type AA batteries

Battery life

12 months

Storage temperature

-20 to +60 °C

Temperature - NTC

Measuring range

-10 to +60 °C


±0.4 °C


0.1 °C

0560 6220

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