30.3039 IT professional thermo-hygrometer with data logger

or the control of temperature (precision ± 1°C) and humidity (precision ±3% from 35...75%), extendable with up to 8 transmitters, indication of dew point, max.-min.-function with time and date of recording, alarm at freely adjustable temperature and humidity values (upper/lower limit), alarm event function, data logger with up to 50,000 measured values, recallable via display or PC USB interface, switching output, radio-controlled clock with seconds, date, time zone ±12 hrs.