MH-Z19 MH-Z19E IR Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor NDIR for CO2 Monitor 400-5000ppm UART PWM Output

Overview The MH Z19E carbon dioxide gas sensor hereinafter referred to as the sensor is a general purpose intelligent small sensor It has two products pin and terminal It uses the principle of non dispersive infrared NDIR to detect CO2 in the air and has good selectivity No oxygen dependence long life etc built in temperature compensation also has serial port output PWM output easy to use The sensor is a high performance sensor made by closely combining mature infrared absorption gas detection technology with precise optical circuit design and sophisticated circuit design Feature High sensitivity low power consumption Excellent stability Temperature compensation excellent linear output Provide serial port UART PWM waveform and other output methods Anti water vapor interference no poisoningApplication HVAC equipmentAir quality monitoring equipmentFresh air systemAir purification equipmentSmart homeSpecification Product model MH Z19EDetection gas carbon dioxidePower supply voltage DC 5 0±0 1 VAverage current 40mA 5V power supply Peak current 125 mA 5V power supply Interface level 3 3V compatible with 5V Measuring range 400 5000ppm optionalOutput signal serial port UART TTL level 3 3V PWMWarm up time 1minResponse time T90 120sWorking temperature 10℃ 50℃Storage temperature 20℃ 60℃Working humidity 0 95 RH non condensing Package Included 1 x MH Z19E IR Infrared CO2 Sensor Module