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.

Super quick-action immersion/penetration probe for measurements in gases and liquids with a low-mass tip

Super quick-action immersion/penetration probe for measureme...

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General technical data	Length probe shaft tip 20 mm
	Diameter probe shaft 1.4 mm
	Diameter probe shaft tip 0.5 mm
	Length probe shaft 150 mm

Super quick-action immersion/penetration probe for measureme...

Super quick-action immersion/penetration probe for measureme...

General technical data

General technical data