HT-2000 Monitor CO2 Analizzatore Gas Rilevatore Gamma 0-9999ppm con Test Umidità
Professional CO2 Gas Detector Carbon Dioxide Detector With Humiture HT2000 H. CO2 Grading guidelines 1 x carbon dioxide detector. a.250 ~ 350ppm-----The usual level of outdoor air. e.＞5000ppm-----Severe hypoxia.