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.

Plug-in measuring tip, 550mm long, flexible, for high temperatures, outer casing: Inconel 2.4816

Plug-in measuring tip

Plug-in measuring tip, 550mm long, flexible, for high temper...

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Measuring range	-200 to +1100 °C
Accuracy	Class 1 ¹⁾
Reaction time	4 s
1) According to standard EN 60751, the accuracy of Classes 1 / 2 refer to -40 to +1000/+1200 °C.

Plug-in measuring tip

Plug-in measuring tip

General technical data

Temperature - TC Type K (NiCr-Ni)

Length	550 mm