Incl. protective cap, batteries and calibration protocol. testo 610 measures relative air moisture and temperature simultaneously. Dew point calculation and wet bulb as well as hold function and max. / min. display are possible with this instrument. - Long-term stable testo humidity sensor. - ± 2.5 % rH accuracy. - Incl. calibration protocol. - Dewpoint calculation and wet bulb included. - Hold function and max. / min. values. - Protective cap for safe storage. - Belt case, wrist strap and calibration protocol included. - Backlit display. - Air moisture and air temperature. Incl. protective cap, batteries and calibration protocol. testo 610 measures relative air moisture and temperature simultaneously. Dew point calculation and wet bulb as well as hold function and max. / min. display are possible with this instrument. - Long-term stable testo humidity sensor. - ± 2.5 % rH accuracy. - Incl. calibration protocol. - Dewpoint calculation and wet bulb included. - Hold function and max. / min. values. - Protective cap for safe storage. - Belt case, wrist strap and calibration protocol included. - Backlit display. - Air moisture and air temperature.