The testo 605i Smart Probe thermo-hygrometer is a humidity and temperature measuring instrument that quickly and accurately measures relative humidity, dew point, and temperature in rooms, ducts, registers, and environmental boxes/chambers. FEATURES
Quickly and accurately measures relative humidity and temperature in rooms, ducts, and chambers
Automatically calculates dew point & wet bulb temperature
Small diameter probe is ideal for in-duct measurements
For all HVAC/R technicians and contractors
INCLUDES testo 605i, Bluetooth thermo-hygrometer with App, incl. 3 AAA batteries and certificate of calibration