Image
  1. Home
  2. testo 622
0560 6220

testo 622 - Indoor Climate Meter 

testo 622
testo 622
testo 622
The Testo 622 indoor climate meter is designed to provide you with an at-a-glance look at the air temperature, relative humidity and air pressure. Ideal for monitoring the ambient air, especially in laboratories. 
  • Measures air temperature, relative humidity and pressure 
  • Alarm alerts when threshold is exceeded 
  • Real time measurement values with date and time 
  • Automatic calibration reminder 
The testo 622 Indoor Climate Meter is ideal for monitoring ambient air. The meter measures the air temperature, relative humidity and the air pressure at a rate of once every ten seconds and displays the values – including the time and date – on the large easy-to-read display. A visual LED alarm alerts the room’s occupants when a threshold has been exceeded.

The testo 622 Indoor Climate Meter - complete with practical details.

The Testo 622 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. 

Temperature - NTC

Measuring range
-10 to +60 °C
Accuracy
±0.4 °C
Resolution
0.1 °C

Humidity - Capacitive

Measuring range
0 to 100 %RH
Accuracy
±3 %RH Remaining Range
±2 %RH + 1 Digit at 25 °C (10 to +90 %RH)
Resolution
0.1 %RH
Please see the additional accuracy information for humidity in the instruction manual.

Absolute Pressure

Measuring range
300 to 1200 hPa
Accuracy
±3 hPa
Resolution
0.1 hPa
testo 622, protocol certificate, 4 X AA Batteries.

Certificates

Calibration certificate

: 0520 0246

DAkkS calibration certificate - with 2 measuring points

Calibration points: 11.3% and 75.3% relative humidity at +25 °C

Testo - Head Office
Testo Pty Ltd
Unit 11, 114-118 Merrindale Drive
Croydon SouthVictoria 3136
Australia
+61 (0)3 8761 6108+61 (0)3 4100 0438
Testo - Service Centre
For all calibration and repair services.
Unit 1, 10-12 Sigma Drive
Croydon South Victoria 3136
Australia
+61 (0)3 8761 7108

You can reach us by telephone during these hours:

Mon - Fri: 9:00 - 17:00 (AEST)
Image
Blog

Visit our blog

© 2026