The testo 625 Humidity Meter has a connectable humidity sensor which measures the air temperature and relative humidity. It can also calculate the dew point and wet bulb temperature.
The meter is equipped with a large, easy-to-read, backlit display, a hold function which allows you to freeze the last reading and min and max readings that can be displayed at the touch of a key.
In addition, the testo 625 has a battery-friendly power off mode and a longlife moisture sensor to ensure the best possible results for years to come