... effects. LCD Display n Application G01-CO2–B5 monitor/alarm is used to monitoring room CO2 and TVOC ... ±10% ±0.5℃ ±4.5%RH Life time 15 years (normal) 5~7 years 10 years Stability <2% —— <0 ... G01-CO2-B520C CO2, TVOC, temperature and humidity monitor/alarm Three-color backlit LCD, buzzer alarm 24VAC/ ... G01-CO2-B520D CO2, TVOC, temperature and humidity monitor/alarm Three-color backlit LCD, buzzer alarm 100~ ...