{"product_id":"mq-3-alcohol-ethanol-gas-sensor-module","title":"MQ-3 Alcohol Ethanol Gas Sensor Module","description":"\u003cp\u003e\u003cstrong\u003eSpecification: \u003c\/strong\u003eThe MQ-3 is a metal-oxide semiconductor gas sensor designed to detect ethanol concentrations in the air with high sensitivity and fast response times. In a laboratory setting, it is primarily used for monitoring alcohol vapor levels, breathalyzer prototyping, and educational experiments involving volatile organic compound (VOC) detection.\u003c\/p\u003e\n\u003cp\u003eTechnical Specifications:\u003cbr\u003e* Target Gas: Alcohol (Ethanol)\u003cbr\u003e* Detection Range: 0.05 mg\/L to 10 mg\/L\u003cbr\u003e* Heater Voltage: 5.0V ± 0.2V (AC\/DC)\u003cbr\u003e* Loop Voltage: ≤ 24V (DC)\u003cbr\u003e* Load Resistance: Adjustable (typically 200kΩ)\u003cbr\u003e* Heater Resistance: 31Ω ± 3Ω (at room temperature)\u003cbr\u003e* Sensitivity (Rs): 2kΩ - 20kΩ (in 0.4 mg\/L alcohol)\u003cbr\u003e* Response Time: ≤ 10s\u003cbr\u003e* Recovery Time: ≤ 30s\u003cbr\u003e* Operating Temperature: -10°C to +50°C\u003cbr\u003eDimension: 22.5x32.5x23mm\u003cbr\u003ePackage: 8.5*9.4cm\u003cbr\u003eWeight: 7gm\u003c\/p\u003e","brand":"scientifickart","offers":[{"title":"Default Title","offer_id":51446013657394,"sku":"OM-31051\/2","price":136.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/6561\/2338\/files\/ChatGPTImageJul9_2026_05_12_10PM.png?v=1783597342","url":"https:\/\/scientifickart.com\/products\/mq-3-alcohol-ethanol-gas-sensor-module","provider":"scientifickart","version":"1.0","type":"link"}