... Capacitive , CO2: Dual window NDIRCorrespod timeCO2 :,(T90) <60s; Temperature and humidity: 1/e(63%)change ,Slow flow rates<10sVOC: 20m2 ... -XX-XXVAT930-CO2-VOC/XX-XX-XXOperatingTouch keysDisplayDot matrix LCD ,size :55X34 mmMeasuring rangeTemperature:-30--70°CHumidity:0 ... , CO2: Dual window NDIRCorrespod timeCO2 :,(T90) <60s; Temperature and humidity: 1/e(63%)change ,Slow flow rates<10sVOC: 20m2 ...