... , CO2: Dual window NDIRCorrespod timeCO2 :,(T90) <60s; Temperature and humidity: 1/e(63%)change ,Slow flow rates<10sVOC: 20m2 ... thresholdSwitch3 relaysCommunication protocolModbusPower consumption5W maximum average 3.5WWarm-up time2 minutes, and for the first time 2 hoursUse ... , CO2: Dual window NDIRCorrespod timeCO2 :,(T90) <60s; Temperature and humidity: 1/e(63%)change ,Slow flow rates<10sVOC: 20m2 ...