For measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps: use the humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature.
Scope of Delivery: Humidity/temperature probe (Ø 12 mm), consisting of humidity/temperature probe head and cable handle (cable length 1.4 m), 4 x AA batteries and calibration protocol. Please do not use the probe in condensing atmospheres. For continuous application in high-humidity ranges >80% RH at ≤ 30 °C for >12 h, >60% RH at >30 °C for >12 h please contact Testo Service or contact us via the Testo website.