testo 440 - Humidity kit with Bluetooth (Ø 0.47")

• testo 440 air velocity and IAQ measuring instrument, 3 AA batteries, USB cable, and calibration protocol (0560 4401)
• Humidity/temperature probe (Ø 0.47") with Bluetooth* (consisting of humidity/temperature probe head and Bluetooth handle), 4 AA batteries, and calibration protocol (0636 9731)
• Basic case for testo 440 and 1 probe

 
*Please do not use the probe in condensing atmospheres. For continuous application in high-humidity ranges:

> 80% RH at ≤ 86 °F for > 12 h
> 60% RH at > 86 °F for > 12 h

Please contact Testo Service, or contact us via the Testo website.