Datalogger pro měření CO2, teploty a vlhkosti vzduchu Rotronic CL11 - Meteostanice.cz
meteostanice co2 – Heureka.cz
GZAIR Indoor CO2 Meter, Temperature and Relative Humidity Wall Mountable Carbon Dioxide Detector, Air Quality Monitor, CO2 Monitor, NDIR Sensor, Time & Date, 0~5000ppm Range(Battery Included): Amazon.com: Industrial & Scientific