The testo 635-1 for temperature and humidity measurement with its State-of-the-art technology and large selection of probes allows you to measure temperature, air humidity and dew point – in compressed air as well.

The testo 635-2 temperature and humidity measuring instrument with its leading-edge technology and wide selection of optional sensors helps you in carrying out temperature and material moisture measurements on a variety of different materials, surfaces and environments.

The U-value is the most important value for proving the heat loss of a building. With the testo 635-2 thermohygrometer and compatible accessories from the U-value set, determining the U-value is now easier than ever.

Pressure Dew point Probe by Testo. Provides the facility to measure the pressure dew point. Robust &amp; reliable.

Pressure Dewpoint Probe | Humidity Data Logger | Testo

Pressure dewpoint probe

for measurements in compressed air systems

Industrial Production

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Measuring range	-20 to +50 °Ctpd
Accuracy	±3 °Ctpd (-10.0 to -5.1 °Ctpd) ±2 °Ctpd (-5.0 to -0.1 °Ctpd) ±0.9 °Ctpd (+5.0 to +50.0 °Ctpd) ±4 °Ctpd (-20.0 to -10.1 °Ctpd) ±1 °Ctpd (0 to +4.9 °Ctpd)
Reaction time	300 s

Pressure dewpoint probe - for measurements in compressed air systems

Pressure dewpoint probe - for measurements in compressed air systems

Humidity - Capacitive

Pressure dewpoint

Measuring range	0 to +100 %RH