testo 625 thermohygrometer, With app connection, 1 unit(s)testo 625 thermohygrometer, With app connection, Incl. transport case, calibration record and batteries Simple, fast and precise measurement of air temperature and relative air humidity. For assessing ambient air quality or ensuring optimum conditions in storage areas. Humidity temperature gauge fixed In addition to the measured value, display of the chronological and point by point average Calculation of dew point and wet bulb temperature Audible