The testo 635-1 temperature and humidity measuring instrument enables you to measure the temperature, air humidity, and dew point &ndash; in compressed air as well. State of the art technology and a large selection of probes, which are available optionally, allow for a wide variety of measuring possibilities.

The testo 635-2 temperature and moisture meter measures the temperature and moisture of different types of materials, surfaces, and environments, with a wide range of optional sensors.

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Absolute pressure probe 29 psi

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Absolute Pressure	Measuring range 0 to +800 InH₂O / 0 to +2000 hPa
	Accuracy ±2 InH₂O / ±5 hPa
	Resolution 0.1 InH₂O / 0.1 hPa
	Overload 1600 InH₂O / 4000 hPa

General technical data	Operating temperature 32.0° to 122.0 °F / 0 to +50 °C
General technical data	Cable length 5.2 ft. / 1.6 m

Absolute pressure probe 29 psi

Absolute pressure probe 29 psi

Absolute Pressure

Absolute Pressure

General technical data

General technical data