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This testo 440 kit is great for carrying out measurements in ventilation ducts and at air outlets. The testo 440 air velocity and IAQ measuring instrument and its vane probes can all be safely stored in the included case.
Use this practical kit to handle all relevant measurements in ventilation ducts and at air outlets. The testo 440 multifunction measuring instrument and its probes are low maintenance, easy to use, and maximize convenience when adjusting air conditioning and ventilation systems.
testo 440 air velocity and IAQ measuring instrument:
Vane probe (Ø 3.9") with Bluetooth and temperature sensor:
Vane probe (Ø 0.63"):