{"product_id":"mq-2-smoke-combustible-gas-sensor-module","title":"MQ-2 Smoke \u0026 Combustible Gas Sensor Module","description":"\u003cp\u003e\u003cstrong\u003eSpecification: \u003c\/strong\u003eThe MQ-2 Smoke and Combustible Gas Sensor Module is a metal-oxide semiconductor sensor designed to detect the presence of liquefied petroleum gas (LPG), propane, methane, hydrogen, and smoke in the air. In a laboratory setting, it is primarily used for safety monitoring, environmental testing, and as a low-cost component for gas leak detection prototypes.\u003c\/p\u003e\n\u003cp\u003eTechnical Specifications:\u003cbr\u003e* Target gases: LPG, Propane, Methane, Hydrogen, Smoke\u003cbr\u003e* Concentration range: 300 to 10,000 ppm\u003cbr\u003e* Operating voltage: 5V DC\u003cbr\u003e* Heating voltage: 5V ± 0.2V\u003cbr\u003e* Output signals: Analog (AO) and Digital (DO)\u003cbr\u003e* Interface: 4-pin header (VCC, GND, DO, AO)\u003cbr\u003e* Adjustable sensitivity via onboard potentiometer\u003cbr\u003e* Heater resistance: 33Ω ± 5%\u003cbr\u003e* Operating temperature: -10°C to 50°C\u003cbr\u003eDimension: 22.5x32.5x23mm\u003cbr\u003ePackage: 86*92mm\u003cbr\u003eWeight: 8gm\u003c\/p\u003e","brand":"scientifickart","offers":[{"title":"Default Title","offer_id":51446044393778,"sku":"OM-31051\/4","price":136.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/6561\/2338\/files\/ChatGPTImageJul9_2026_04_58_26PM.png?v=1783596519","url":"https:\/\/scientifickart.com\/products\/mq-2-smoke-combustible-gas-sensor-module","provider":"scientifickart","version":"1.0","type":"link"}