This testo 440 kit is great for carrying out measurements in storage, refrigeration, and work rooms, in ventilation ducts, and also on refrigeration systems and heat pumps. The testo 440 air velocity and IAQ measuring instrument and its humidity/temperature probe (Ø 0.47") with temperature sensor can all be safely stored in the included case.
Use this practical kit to measure the humidity and temperature in storage, refrigeration, and work rooms, and in ventilation ducts. The testo 440 multifunction measuring instrument and its humidity/temperature probe are low maintenance, easy to use, and maximize convenience.
testo 440 air velocity and IAQ measuring instrument:
Humidity/temperature probe (Ø 0.47") with Bluetooth:
*Please do not use the probe in condensing atmospheres. For continuous application in high-humidity ranges: