The compact humidity measuring device testo 605 i is suitable for use in combination with a smartphone or tablet for the measurement of air temperature and relative humidity in rooms and channels. Together with the Thermal anemometer testo 405 i can also be the cooling and heating power.On the terminal device installed on the testo Smart Probes App, users can conveniently read your measurement values. The app also enables the automatic determination of the dew point and wet bulb temperature. All measurement data are either as a diagram or in table form. Finally, the measurement data protocols as PDF or Excel files directly sending.This text is machine translated.