Product Introduction:Relative humidity and air temperature are two decisive factors in assessing indoor air quality and comfort. Therefore, if you want to ensure comfort indoors or provide optimal storage conditions, a hygrometer is your ideal choice. The testo digital hygrometer testo 625 measures air temperature simply, quickly, and accurately, automatically calculates dew point and wet bulb temperatures, and also displays average and multi-point averages. If values exceed limits, an alarm buzzer sounds. Equipped with the testo Smart APP application, it offers quick configuration, display of trend charts, dual-screen display, and storage of measurement data.