{"product_id":"mh-z19c-ndir-co-air-quality-sensor","title":"MH-Z19C NDIR CO₂ Air Quality Sensor","description":"\u003cp\u003eThe MH-Z19C is a high-accuracy NDIR CO₂ sensor designed for indoor air quality monitoring, HVAC systems, smart home automation, and IoT applications. It measures carbon dioxide concentrations from 400ppm to 5000ppm with reliable long-term stability.\u003c\/p\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMH-Z19C CO₂ Air Quality Sensor\u003c\/strong\u003e is a compact and highly reliable carbon dioxide sensing module that uses \u003cstrong\u003eNDIR (Non-Dispersive Infrared)\u003c\/strong\u003e technology for accurate CO₂ concentration measurement.\u003c\/p\u003e\n\u003cp\u003eDesigned for indoor air quality monitoring, ventilation control, HVAC systems, smart buildings, and IoT projects, the MH-Z19C provides stable and precise measurements while maintaining low power consumption.\u003c\/p\u003e\n\u003cp\u003eIts compact size and multiple output interfaces make it suitable for integration with Arduino, ESP32, Raspberry Pi, STM32, and other embedded platforms.\u003c\/p\u003e\n\u003cp\u003eThe sensor is widely used in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAir quality monitoring systems\u003c\/li\u003e\n\u003cli\u003eSmart home automation\u003c\/li\u003e\n\u003cli\u003eGreenhouse monitoring\u003c\/li\u003e\n\u003cli\u003eHVAC control systems\u003c\/li\u003e\n\u003cli\u003eIndustrial environmental monitoring\u003c\/li\u003e\n\u003cli\u003eEducational and research projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe NDIR sensing method provides improved accuracy and long operational life compared to conventional gas sensing technologies.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndoor air quality monitoring\u003c\/li\u003e\n\u003cli\u003eSmart home automation\u003c\/li\u003e\n\u003cli\u003eHVAC systems\u003c\/li\u003e\n\u003cli\u003eIoT monitoring devices\u003c\/li\u003e\n\u003cli\u003eGreenhouse monitoring\u003c\/li\u003e\n\u003cli\u003eEnvironmental monitoring\u003c\/li\u003e\n\u003cli\u003eBuilding automation\u003c\/li\u003e\n\u003cli\u003eIndustrial control systems\u003c\/li\u003e\n\u003cli\u003eEducational projects\u003c\/li\u003e\n\u003cli\u003eArduino \u0026amp; ESP32 projects\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNDIR CO₂ measurement technology\u003c\/li\u003e\n\u003cli\u003e400ppm to 5000ppm detection range\u003c\/li\u003e\n\u003cli\u003eHigh measurement accuracy\u003c\/li\u003e\n\u003cli\u003eLong-term stability\u003c\/li\u003e\n\u003cli\u003eCompact module design\u003c\/li\u003e\n\u003cli\u003eLow power consumption\u003c\/li\u003e\n\u003cli\u003eUART communication support\u003c\/li\u003e\n\u003cli\u003eSuitable for IoT applications\u003c\/li\u003e\n\u003cli\u003eCompatible with Arduino and ESP32\u003c\/li\u003e\n\u003cli\u003eReliable indoor air quality monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMH-Z19C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor Type\u003c\/td\u003e\n\u003ctd\u003eNDIR CO₂ Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Gas\u003c\/td\u003e\n\u003ctd\u003eCarbon Dioxide (CO₂)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Principle\u003c\/td\u003e\n\u003ctd\u003eNon-Dispersive Infrared (NDIR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetection Range\u003c\/td\u003e\n\u003ctd\u003e400 ~ 5000 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional Range\u003c\/td\u003e\n\u003ctd\u003eUp to 10000 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e± (50 ppm + 5% of Reading)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5.0 ± 0.1V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAverage Current Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 40mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Current Consumption\u003c\/td\u003e\n\u003ctd\u003e125mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Level\u003c\/td\u003e\n\u003ctd\u003e3.3V Logic (5V Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Interface\u003c\/td\u003e\n\u003ctd\u003eUART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpected Lifespan\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 5 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArduino, ESP32, Raspberry Pi, STM32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eThe MH-Z19C uses NDIR infrared technology to measure carbon dioxide concentration. An infrared light source passes through a chamber containing air. CO₂ molecules absorb specific wavelengths of infrared light, and the sensor measures this absorption to calculate the CO₂ concentration. The measured value is then transmitted through the UART interface to a microcontroller such as Arduino, ESP32, or Raspberry Pi for monitoring and automation purposes.\u003c\/p\u003e","brand":"Chip.pk","offers":[{"title":"Default Title","offer_id":51916893454621,"sku":null,"price":6650.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/1060\/7389\/files\/MH-Z19C_NDIR_CO_Air_Quality_Sensor_back_side.png?v=1782140624","url":"https:\/\/www.chip.pk\/products\/mh-z19c-ndir-co-air-quality-sensor","provider":"Chip.pk","version":"1.0","type":"link"}