You can keep a close eye on indoor air quality with the testo 445 climate measuring instrument: the allrounder can measure up to 6 parameters (with the appropriate probe), which can help you make a professional assessment of indoor air quality. The climate measuring instrument therefore supports you in adjusting and checking ventilation and air conditioning systems.

The testo 645 humidity/temperature measuring instrument automatically indicates the measurement parameters of relative humidity, absolute humidity, dew point, degree of humidity, enthalpy and temperature at the touch of a button.

Standard pressure dewpoint probe for measurements in compressed air systems

Standard pressure dewpoint probe for measurements in compres...

Industrial Production

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Pressure dewpoint	Measuring range -20 to +50 °Ctpd
Pressure dewpoint	Accuracy ±0.9 °Ctpd (+5 to +50 °Ctpd) ±1 °Ctpd (0 to +4.9 °Ctpd) ±2 °Ctpd (-5 to -0.1 °Ctpd) ±3 °Ctpd (-10 to -5.1 °Ctpd) ±4 °Ctpd (-20 to -10.1 °Ctpd)

Standard pressure dewpoint probe for measurements in compres...

Standard pressure dewpoint probe for measurements in compres...

Humidity - Capacitive

Humidity - Capacitive

Pressure dewpoint

Pressure dewpoint

General technical data

General technical data