... remark, indoor air monitor controller ) ModelVAT930-CO2/XX-XX-XXVAT930-CO2-VOC/XX-XX-XXOperatingTouch keysDisplayDot matrix LCD , ... 0.5°C ,Humidity:+/- 3%RH ,CO2: +/- (50ppm+3%)SensorHumidity:Capacitive , CO2: Dual window NDIRCorrespod timeCO2 :,(T90) <60s; ... :+/- 0.5°C ,Humidity:+/- 3%RH ,CO2: +/- (50ppm+3%)SensorHumidity:Capacitive , CO2: Dual window NDIRCorrespod timeCO2 :,(T90) <60s; ...