Kit for carrying out measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps. Keep the testo 440 air velocity and IAQ measuring instrument and the humidity/temperature probe with Bluetooth safely stowed away in the case. So you can get down to work straight away!. The testo 440 multifunction measuring instrument and the humidity/temperature probe are impressive thanks to their intelligent calibration concept, ease of use and maximum convenience for your measuring tasks.

• Precise: calculation of dew point, wet bulb temperature and absolute humidity
• Convenient: wireless probe, internal data storage and USB port for data export
• As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes