MH-Z19B Upgrade Version 0-5000PPM Infrared CO2 Sensor For CO2 Indoor Air Quality Monitor UART/PWM

Description Product Model MH Z19B please note that this item is not winsen brand Color GoldSize L W H 33 x 20 x 9 mmTarget Gas CO2Working voltage 3 6 5 5 V DCAverage current 18 mAInterface level 3 3 VMeasuring range 0 0 5 VOL optionalOutput signal UART PWMPreheat time 3 minResponse Time T9060 sWorking temperature 0 50°CWorking humidity 0 95 RH No condensation Lifespan 5 yearsFeatures 1 High sensitivity high resolution 2 Output modes UART and PWM wave 3 Anti water vapor interference No poisoning 4 Temperature compensation excellent linear output 5 Low power consumption good stability and long lifespan 6 It is widely used in the HVAC refrigeration and indoor air quality monitoring Note Manual measuring please allow 1 3 mm error thank you Package Included 1 x MH Z19B Infrared CO2 Sensor