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Manual Click here to openMH 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 Parameters Product model number MH Z19BGas Detection Carbon DioxideSupply voltage 4 5 5 5V DCAverage current 20mA 5V power supply Peak current 150 mA 5V supply Interface level 3 3V 5V compatible Measurement range 0 10000ppm can be selected within the rangeWarm up time 3minResponse time 90120sWorking temperature 0 50°COperating Humidity 0 to 95 RH non condensing Characteristics Gas chamber with gold plating waterproof and corrosion resistantHigh sensitivity low power consumptionExcellent stabilityTemperature compensation excellent linear outputProvides serial UART analog DAC PWM waveform output methodslong lastingWater vapor interference not poisoningApplication HVAC refrigeration equipmentAir quality monitoring equipmentFresh air systemAir purification equipmentSmart homeSCHOOLVin Power Positive Vin GND Negative Power Supply GND Vo Analog
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