{"product_id":"mq-131-ozone-gas-detection-sensor-module","title":"MQ-131 Ozone Gas Detection Sensor Module","description":"\u003cp\u003e\u003cstrong\u003eMQ-131 Ozone Gas Detection Sensor Module\u003c\/strong\u003e is a semiconductor gas sensor module designed to detect ozone (O₃) concentration in the air. It uses a tin dioxide (SnO₂) sensing element whose conductivity changes in the presence of ozone, allowing the module to detect changes in ozone concentration. The module provides an analog output and an adjustable digital output, making it suitable for Arduino, Raspberry Pi, air-quality monitoring, ozone generator monitoring, environmental sensing, and DIY gas-detection projects.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0300\/6424\/6919\/files\/8eOAYMmhEKgf6xa90rXbsbXkwKo6TsYqK4GWTOGX.pdf?v=1787315062\" target=\"_blank\" rel=\"noopener\"\u003e\u003cstrong\u003eMQ-131 Ozone Gas Detection Sensor Module Datasheet \u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eDesigned for ozone (O₃) gas detection.\u003c\/li\u003e\n\u003cli\u003eUses a tin dioxide (SnO₂) semiconductor sensing element.\u003c\/li\u003e\n\u003cli\u003eHigh sensitivity to ozone gas.\u003c\/li\u003e\n\u003cli\u003eAvailable in low-concentration and high-concentration MQ-131 variants.\u003c\/li\u003e\n\u003cli\u003eAnalog output for monitoring ozone concentration.\u003c\/li\u003e\n\u003cli\u003eDigital output with adjustable detection threshold.\u003c\/li\u003e\n\u003cli\u003eOnboard potentiometer for digital output sensitivity adjustment.\u003c\/li\u003e\n\u003cli\u003e5V DC operating voltage for typical module configurations.\u003c\/li\u003e\n\u003cli\u003eFast response to changes in ozone concentration.\u003c\/li\u003e\n\u003cli\u003eRequires sensor preheating for stable measurements.\u003c\/li\u003e\n\u003cli\u003eSuitable for Arduino, Raspberry Pi, ESP32, and other microcontroller projects.\u003c\/li\u003e\n\u003cli\u003eUseful for air-quality and environmental monitoring.\u003c\/li\u003e\n\u003cli\u003eSuitable for monitoring ozone generators and ozone-producing equipment.\u003c\/li\u003e\n\u003cli\u003eCompact PCB module design.\u003c\/li\u003e\n\u003cli\u003eSuitable for DIY, laboratory, and educational gas-sensing applications.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"center\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth align=\"center\"\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eOzone Gas Detection Sensor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eModel\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eMQ-131\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eSensor Type\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eSemiconductor Gas Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eTarget Gas\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eOzone (O₃)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eSensitive Material\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eTin Dioxide (SnO₂)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eLow-Concentration Detection Range\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e10ppb–1000ppb O₃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eHigh-Concentration Detection Range\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e10ppm–1000ppm O₃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eModule Supply Voltage\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eSensor Circuit Voltage\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e5.0V ± 0.1V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eHeater Voltage\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e5.0V ± 0.1V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eHeater Resistance\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eApprox. 30–34Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eHeater Consumption\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e≤800–950mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eOutput Type\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eAnalog + Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eAnalog Output\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eVariable Voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eDigital Output\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eTTL Level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eDigital Threshold\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eAdjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eLoad Resistance\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eAdjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eLow-Concentration Sensitivity\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eRs(200ppb O₃) \/ Rs(in air) ≥2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eHigh-Concentration Sensitivity\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eRs(200ppm O₃) \/ Rs(in air) ≥2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eStandard Test Temperature\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e20°C ± 2°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eStandard Test Humidity\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e55% ± 5% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eRequired Oxygen Concentration\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e≥18%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eRecommended Oxygen Concentration\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e21%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003ePreheating Time\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eMore than 48 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eSensor Life\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eApprox. 5 Years*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eApprox. -10°C to 50°C*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eUp to 95% RH*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eInterface\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eAnalog \/ Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eMounting Type\u003c\/td\u003e\n\u003ctd align=\"center\"\u003ePCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eCompatible Platforms\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eArduino, Raspberry Pi, ESP32 \u0026amp; Microcontrollers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eApplication\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eOzone Detection \u0026amp; Air-Quality Monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eAlso Check These Out:\u003c\/h4\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"b3950-10k-ntc-thermistor-temperature-sensor-5-25mm-with-xh2-54-connector-with-50cm-cable\" target=\"_blank\"\u003e\u003cstrong\u003eB3950 10K NTC Thermistor Temperature Sensor 5*25mm with XH2.54 Connector \u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"analog-tds-water-quality-meter-v1-0-sensor-meter-for-arduino\" target=\"_blank\"\u003e\u003cstrong\u003eAnalog TDS Water Quality Meter V1.0 Sensor for Arduino\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca rel=\"noopener\" href=\"crowtail-capacitive-moisture-sensor-v2-0-for-arduino-iot\" target=\"_blank\"\u003e\u003cstrong\u003eElecrow Crowtail Capacitive Moisture Sensor V2.0 for Arduino \u0026amp; IoT\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"fsr402-force-sensing-resistors-round-pressure-sensor-0-5-inch\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eFSR402 Force Sensing Resistors 14.7mm Round Pressure Sensor 0.5 Inch\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4\u003ePackage Includes:\u003c\/h4\u003e\n\u003cp\u003e1 × MQ-131 Ozone Gas Detection Sensor Module\u003c\/p\u003e","brand":"MAC056","offers":[{"title":"Default Title","offer_id":46201857212650,"sku":"MOD-QC6202","price":1468.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0300\/6424\/6919\/files\/MQ-131OzoneGasDetectionSensorModule.jpg?v=1787315642","url":"https:\/\/quartzcomponents.com\/products\/mq-131-ozone-gas-detection-sensor-module","provider":"QuartzComponents","version":"1.0","type":"link"}