{"product_id":"mq-131-ozone-gas-detection-sensor-module","title":"MQ-131 Ozone Gas Detection Sensor Module","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eMQ-131 Ozone (O₃) Gas Detector Sensor Module\u003c\/span\u003e\u003c\/h2\u003e\nThe \u003cstrong\u003eMQ-131 Ozone Gas Sensor Module\u003c\/strong\u003e uses an \u003cstrong\u003eSnO₂-based sensing material\u003c\/strong\u003e that exhibits low conductivity in clean air. When \u003cstrong\u003eozone (O₃) gas\u003c\/strong\u003e is present, the sensor’s conductivity increases as the gas concentration rises. Using a simple external electronic circuit, this conductivity change is converted into a corresponding output signal proportional to the ozone concentration. \u003cbr\u003e\u003cbr\u003eThe MQ-131 sensor offers \u003cstrong\u003ehigh sensitivity to ozone (O₃)\u003c\/strong\u003e and is also responsive to gases such as \u003cstrong\u003eCl₂ and NO₂\u003c\/strong\u003e. With reliable stability, fast response, and dual signal output, it is suitable for environmental monitoring and microcontroller-based sensing projects.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eHigh sensitivity to ozone (O₃) gas\u003c\/li\u003e\n\u003cli\u003eDetection concentration range: 10 PPB to 2 PPM (O₃)\u003c\/li\u003e\n\u003cli\u003eDual output: Analog signal and TTL-level digital output\u003c\/li\u003e\n\u003cli\u003eTTL output active LOW (signal LED turns ON when output is LOW)\u003c\/li\u003e\n\u003cli\u003eAnalog output voltage increases with gas concentration\u003c\/li\u003e\n\u003cli\u003eFast response characteristics\u003c\/li\u003e\n\u003cli\u003eSignal indicator LED for output status\u003c\/li\u003e\n\u003cli\u003ePlug-in probe design for easy testing\u003c\/li\u003e\n\u003cli\u003eMounting holes for fixed installation\u003c\/li\u003e\n\u003cli\u003eLong life with reliable and stable performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eItem Type: Gas Sensor\u003c\/li\u003e\n\u003cli\u003eModel: MQ-131\u003c\/li\u003e\n\u003cli\u003eSensing Material: SnO₂\u003c\/li\u003e\n\u003cli\u003eTarget Gas: Ozone (O₃)\u003c\/li\u003e\n\u003cli\u003eAdditional Sensitivity: Cl₂, NO₂\u003c\/li\u003e\n\u003cli\u003eDetection Range: 10 PPB – 2 PPM (O₃)\u003c\/li\u003e\n\u003cli\u003eOutput Type: Analog and Digital (TTL)\u003c\/li\u003e\n\u003cli\u003eDigital Output Logic: Active LOW\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eWidth: 22 mm\u003c\/li\u003e\n\u003cli\u003eHeight: 29 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 9g\u003c\/li\u003e\n\u003cli\u003eCompact PCB-mounted sensor module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplications\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eOzone (O₃) gas detection systems\u003c\/li\u003e\n\u003cli\u003eEnvironmental air quality monitoring\u003c\/li\u003e\n\u003cli\u003eIndustrial safety and pollution monitoring\u003c\/li\u003e\n\u003cli\u003eArduino and microcontroller-based gas sensing projects\u003c\/li\u003e\n\u003cli\u003eResearch and laboratory applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 × MQ-131 Ozone Gas Detector Sensor Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":48615310852348,"sku":"KG1327","price":1489.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/OzoneGasDetectionSensorModule_1.jpg?v=1767611324","url":"https:\/\/kitsguru.com\/products\/mq-131-ozone-gas-detection-sensor-module","provider":"KitsGuru","version":"1.0","type":"link"}