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 ...

HVAC Contractors

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Velocity / Volume flow	Measuring range 0 to +10 m/s
Velocity / Volume flow	Accuracy ±(0.03 m/s + 5 % of mv)

General technical data	Length probe shaft 150 mm
	Diameter probe shaft tip 3 mm
	Diameter probe shaft 4 mm

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

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

Temperature - NTC

Temperature - NTC

Velocity / Volume flow

Velocity / Volume flow

General technical data

General technical data