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.

Pressure dewpoint probe for measurements in compressed air systems

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Measuring range	-20.0° to 50.0 °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 sec

Measuring range	0 to +100 %rH

Pressure dewpoint probe for measurements in compressed air systems

Pressure dewpoint probe for measurements in compressed air systems

Humidity - Capacitive

Pressure dewpoint