The testo 645 humidity and temperature measuring instrument automatically indicates the measurement parameters of relative humidity, absolute humidity, dew point, degree of humidity, enthalpy, and temperature, at the touch of a button.

The testo 645 humidity measuring instrument automatically displays the parameters relative humidity, absolute humidity, dew point, degree of humidity, enthalpy, and temperature. Convenient data analysis on your PC with location name.

Features:

• High-precision humidity measurement up to ± 1% RH
• Internal reading memory (3,000 readings)
• Convenient data evaluation via optional PC software
• Possibility of attaching a really wide range of optional probes thanks to a large accessory portfolio