Control and calibration kit for Testo humidity probes

Sintered PTFE filter, Ø 12 mm, for corrosive media

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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.

Temperature Probe by Testo. Useful for measuring temperature and humidity. Long term stability.

Measuring range	-20 to +70 °C
Accuracy	*Please also take into account the device uncertainty. ±0.2 °C

Measuring range	0 to +100 %RH
Accuracy	long-term stability: ±1 %RH / year ±0.03 %RH/K (k=1) *The sensor accuracy corresponds to the system accuracy. ±2 %RH at +25 °C (+2 to +98 %RH)

Diameter probe shaft	12 mm
Cable length	1,160 mm
Length probe shaft	140 mm

Temperature probe

Temperature probe

Temperature - NTC

Humidity - Capacitive

General technical data

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