With the testo 625 compact thermohygrometer, you can measure air temperature and relative humidity easily, quickly and precisely to assess indoor air quality or ensure optimum conditions in storage rooms. The testo Smart App supports you with useful functions, e.g. configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

Relative humidity and air temperature are two decisive factors e.g. for the assessment of indoor air quality and comfort. So if you want to ensure that people are comfortable indoors or that optimum conditions prevail in storage rooms , the compact testo 625 thermohygrometer is the ideal choice. To obtain precise results as quickly and easily as possible, the testo 625 not only calculates dewpoint and wet bulb temperature automatically. The time and the point averages are also displayed immediately.