MH-Z19B NDIR Infrared CO2 Sensor Module for Carbon Dioxide Monitor Gas Sensor 0-5000ppm LART PWM Output

Product Description MH Z19B carbon dioxide gas sensor hereinafter referred to as the sensor is a general purpose smart small scale sensor that uses non dispersive infrared NDIR principle to detect the presence of CO2 in the air with good selectivity and anaerobicGas dependence long life and other characteristics built in temperature compensation at the same time with serial output analog output and PWM output easy to use The sensor is a high performance sensor that combines mature infrared absorption gas detection technology with precise optical path design and sophisticated circuit design Product Parameters 1 Product model number MH Z19B2 Gas Detection Carbon Dioxide3 Supply voltage 4 5 5 5V DC4 Average current 20mA 5V power supply 5 Peak current 150 mA 5V supply 6 Interface level 3 3V 5V compatible 7 Measurement range 0 10000ppm can be selected within the range8 Output signal Serial UART TTL level 3 3V PWMAnalog output DAC default 0 4 2V 0 3V range configurable 9 Warm up time 3min10 Response time T90120s11 Working temperature 0 50°C12 Operating Humidity 0 to 95 RH non condensing 13 Weight 5g14 Life 5 years Sensor Features 1 Gas chamber with gold plating waterproof and corrosion resistant2 High sensitivity low power consumption3 Excellent stability4 Temperature compensation excellent linear output5 Provides serial UART analog DAC PWM waveform output methods6 long lasting7 Water vapor interference not