La encontré!
professional thermo-hygrometer with data logger
for the control of temperature (0...+60°C, precision ± 1°C) and humidity (0...99%, precision ± 3%),
indication of dew point,
max.-min.-function with time and date of recording,
average values,
alarm at freely adjustable temperature and humidity values (upper/lower limit),
calibrating function, data logger with up to 3,000 measured values, recallable via display or PC RS232 interface,
connection of up to 5 wireless outdoor transmitters (30.3125) optional (not enclosed),
radio controlled clock with date,
time zone ±12 hrs.,
DCF-off-function,
batteries 3x 1.5 V AA included
127 x 94 x 30 mm, 430 g
http://www.tfa-dostmann.de/TFA2003_englisch/produkte/produkte.asp?Hg=2&Ug=6