CO2 METER, + Humidity, Temperature.   二氧化碳/溫溼度測試計

GCH-2018 

* CO2 range : 0 to 4,000 ppm. 

* CO2 sensor : NDIR, long term reliability. 

* CO2 with alarm setting. 

* Function : CO2 (Carbon dioxide), Humidity, Dew point, Temperature.

* Data hold, Record (Max., Min.). 

* RS232/USB computer interface.