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.

Affordable, robust hot bulb probe, Ø 3 mm, for measurements in the lower velocity range, with handle

Affordable, robust hot bulb probe, Ø 3 mm, for measurements ...

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HQ instrument 

Measuring range	0 to +10 m/s
Accuracy	±(0,03 m/s + 5 % of mv)

Length probe shaft	150 mm
Diameter probe shaft tip	3 mm
Diameter probe shaft	4 mm

kompetenca@optimum

Affordable, robust hot bulb probe, Ø 3 mm, for measurements ...

Affordable, robust hot bulb probe, Ø 3 mm, for measurements ...

Temperature - NTC

Velocity / Volume flow

General technical data

Measuring range	−20 to +70 °C