Alarm hygrometer testo 608-H2, 2 - 98 % RH, -10 - +70 °C, 1 unit(s)Alarm hygrometer testo 608 H2, 2 98 % RH, 10 +70 C For monitoring room climate and dew point, for example, in laboratories, storage and clean rooms. Simultaneously displays humidity and temperature Humidity sensor is not sensitive to condensation Use as desktop or wall mount unit With additional LED alarm to notify when the threshold value has been exceeded. Dew point calculation: 40. 0 to +70. 0 Ctd Delivery incl. calibration protocol and batteries.