TFA Dostmann Klimalogg Pro 30.3039 Professional Thermo-Hygrometer with Data Logger Function & Temperature Transmitter for Klimalogg Pro Cat. No. 30.3181.IT : Amazon.de: Business, Industry & Science
Profi-Temperaturlogger Klimalogg Pro Spezial 30.3039.10.spezial anthrazit incl. 4 Stück Temperatur Funksender 30.3182 : Amazon.de: Baumarkt
TFA Dostmann KlimaLogg Pro Hygrometer 1 RH 99 RH Data logger + wireless USB interface, Dew point/mould detector | Conrad.com