{"product_id":"mq9-gas-sensor","title":"MQ-9 Gas Sensor","description":"\u003cdiv data-docx-has-block-data=\"false\" data-lark-html-role=\"root\" data-page-id=\"Xz96dmHmbogygNxsOHjlJZhCg6f\"\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-UqE1dpuQMo8k2BxhA2fl77gogAg\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-I9Xrdw2rLovMe7xJQfBlpFKBgkb\"\u003eThe \u003cstrong\u003eMQ-9 Gas Sensor \u003c\/strong\u003eis a versatile sensor designed to detect both \u003cstrong\u003ecarbon monoxide (CO)\u003c\/strong\u003e and a range of combustible gases, including\u003cstrong\u003e LPG (propane and butane)\u003c\/strong\u003e, \u003cstrong\u003emethane (natural gas)\u003c\/strong\u003e, and\u003cstrong\u003e coal gas\u003c\/strong\u003e.It utilizes a tin dioxide (SnO2) semiconductor material as its sensitive layer. The sensor operates by cycling through high and low temperatures. At a low temperature (achieved by a lower heater voltage), it is more sensitive to detecting CO. At a high temperature (achieved by a higher heater voltage), it detects combustible gases like methane and propane and also cleans any other gases adsorbed at a low temperature. The change in the sensor's conductivity due to the presence of these gases is converted into an analog voltage output proportional to the gas concentration.\u003c\/div\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-Heiddm0u4oVSDExdsUqlZLihgre\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-Heiddm0u4oVSDExdsUqlZLihgre\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"ace-line ace-line old-record-id-BSk8d5aCqoUZiUx9DA7l8qdVgPd\"\u003eHigh Sensitivity to Both CO and Combustible Gases\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-N4uadT9LCorm6UxSqFglbUrNgrg\"\u003eGood Sensitivity in a Wide Range\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-MQE4d0BqDoAvTmxAyt5lnologgy\"\u003eFast Response and Recovery\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-DDrbdRsy4ovnttxZdhIlzPNPgph\"\u003eStable and Long Lifespan\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-G6ood7c2SoC1uUxOf2ZlWFt4g4c\"\u003eLow Cost\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-IDasdPIpMozW6cxSI3vlqmapg2b\"\u003eSimple Drive Circuit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-OII3drTgdooHb2x7wvtlAVKvgbe\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-OII3drTgdooHb2x7wvtlAVKvgbe\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-GV1SdUB3fo4p7kxPWgdlxw9VgAg\"\u003e\n\u003cstrong\u003eTarget Gases:\u003c\/strong\u003e Carbon Monoxide, Methane, LPG, Propane, Coal Gas\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-BrTAdKgbKo78J0xeGu2lYQ31gde\"\u003e\n\u003cstrong\u003eDetection Range: \u003c\/strong\u003e10 ppm -1000 ppm (CO); 100 ppm - 10000 ppm (Combustible Gases)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-H2uIdDz43oQB4MxQjQzlIKHXgEe\"\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5.0V ± 0.1V AC\/DC\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-IBFcdLQV5oP7iixIdvNlf9kYgmc\"\u003e\n\u003cstrong\u003eHeater Voltage: \u003c\/strong\u003e 5.0V ± 0.1V AC\/DC (high); 1.4V ± 0.1V AC\/DC (low)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-VCqtdKZzJoVF90xXCbQlKGvPgIb\"\u003e\n\u003cstrong\u003eHeater Time:\u003c\/strong\u003e 60 ± 1s (high); 90 ± 1s (low)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-IU6Cdw7V0olKsQxwiGBlS245gTh\"\u003e\n\u003cstrong\u003eLoad Resistance:\u003c\/strong\u003e Adjustable\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-NIQld5GWHo8tnkx6328l8DeOg62\"\u003e\n\u003cstrong\u003eHeater Resistance:\u003c\/strong\u003e 31 Ω ± 3 Ω (Room Temperature)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Jm5XdmMsBoXagCxTaAul3dkNgjd\"\u003e\n\u003cstrong\u003eHeater Consumption:\u003c\/strong\u003e ≤ 350 mW\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-C0d4dZpsOoWUE1xZpUbl8CuDgQH\"\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C ± 2°C\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-GNLldRfOUo5T1GxthS5l3jWLgOb\"\u003e\n\u003cstrong\u003eOperating Humidity: \u003c\/strong\u003e\u0026lt; 95% RH\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Pq6TdqJUToggyuxA83flt9gTgNh\"\u003e\n\u003cstrong\u003ePreheat Time: \u003c\/strong\u003eOver 48 hours\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-JWIodQ7dWocgnQxqQPllNW5JgFf\"\u003e\n\u003cstrong\u003eStandard Condition: Temperature:\u003c\/strong\u003e 20°C ± 2°C; Humidity: 65% ± 5% RH \u003c\/div\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-KD5zdE7DBo5EKhx5nWJlhcR3gk7\"\u003e\u003cbr\u003e\u003c\/h2\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-KD5zdE7DBo5EKhx5nWJlhcR3gk7\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-N0sEdv8QCosAHox2eRXlgIU9gif\"\u003eDomestic Gas Leakage Detection\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-StcrdD8E1on4MDxGhzKlp2dxgwc\"\u003eIndustrial Safety Monitoring\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Uv4AdaiPfobHiexfnVglZKdugug\"\u003ePortable Gas Detectors\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-RizhdSL4ToKAoTxvXDnlVXIAgLF\"\u003eAir Quality Monitoring\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-DguOdnFTxoAEfJxEOJfluqzngAc\"\u003eVentilation Control Systems\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-TG5MddQv6oGCefx6weIlyjj4gec\"\u003eEducational and Hobbyist Projects\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Others","offers":[{"title":"Default Title","offer_id":44212826669247,"sku":"MLE03836","price":100.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0531\/3419\/6927\/files\/MLE03836.jpg?v=1745912600","url":"https:\/\/makerlab.ph\/products\/mq9-gas-sensor","provider":"Makerlab PH","version":"1.0","type":"link"}