{"product_id":"mq7-carbon-monoxide-gas-sensor","title":"MQ-7 Carbon Monoxide Gas Sensor","description":"\u003cdiv data-page-id=\"Xz96dmHmbogygNxsOHjlJZhCg6f\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-UE7wdrnO3oqd3KxymmjlqCv2gYb\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-F8zmd1JSjo4OhQx939VlKQntgch\"\u003eThe \u003cstrong\u003eMQ-7 Carbon Monoxide Gas Sensor\u003c\/strong\u003e is specifically designed for detecting \u003cstrong\u003eCarbon Monoxide (CO) \u003c\/strong\u003econcentrations in the air. It utilizes a tin dioxide (SnO2) semiconductor material as its sensitive layer. In clean air, the sensor has low conductivity, and when carbon monoxide is present, it is absorbed onto the sensor's surface, causing conductivity to increase. This change in conductivity is converted into an analog voltage output, which is proportional to the CO concentration.\u003c\/div\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-U5uodrzQDoIGWLxplkUlRXV5g9e\"\u003e\u003c\/h2\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-U5uodrzQDoIGWLxplkUlRXV5g9e\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"ace-line ace-line old-record-id-CFkIdb1w6omYn7x0DEWlrGRogsb\"\u003eHigh Sensitivity to Carbon Monoxide\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-TPOLdi4EHoYGUyxkzNElIVNTgwf\"\u003eGood Sensitivity to Combustible Gases in a Wide Range\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-EUSldcVAyoqUOLxljgVlH9BvgCe\"\u003eFast Response and Recovery\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-YVTPdU5LvoNs9OxIuuElEx6VgEc\"\u003eStable and Long Lifespan\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-MLeCdMGM4oEV7QxUGz3lUfyYgLd\"\u003eLow Cost\u003c\/li\u003e\n\u003cli class=\"ace-line ace-line old-record-id-XijldAgZ1ojj73xkN9El1oDzg1g\"\u003eSimple Drive Circuit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-UifRdW360oQUT4xu8eBltStKgKf\"\u003e\u003c\/h2\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-UifRdW360oQUT4xu8eBltStKgKf\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-DSxEdbRUgodKiIxUCtClfve8gye\"\u003e\n\u003cstrong\u003eTarget Gas:\u003c\/strong\u003e Carbon Monoxide (CO)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-W2ttdolKKorXqtx8YbOlZnyZgMf\"\u003e\n\u003cstrong\u003eDetection Range: \u003c\/strong\u003e20 ppm - 2000 ppm\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-SarGd1zAqosapxxMb36le98xggf\"\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V DC ± 0.1V AC\/DC\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Ra41dMoLaoJuI3xytwqlCKYvgef\"\u003e\n\u003cstrong\u003eHeater Voltage:\u003c\/strong\u003e 5V ± 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-PgcxdanJZokJDFxq1a6l800TgwC\"\u003e\n\u003cstrong\u003eLoad Resistance:\u003c\/strong\u003e Adjustable\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-JvJ9dc4fWofDTKxbOjYl0EYcg6b\"\u003e\n\u003cstrong\u003eHeating Resistance:\u003c\/strong\u003e 33Ω ± 5% (Room Temperature)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-E8HYdIqNwoHNCkxRbvIldsfAgNc\"\u003e\n\u003cstrong\u003eHeating Consumption:\u003c\/strong\u003e ~ 350 mW\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-EAyadv9wFoFAFIxejjNlah8RgEb\"\u003e\n\u003cstrong\u003eHeating Time: \u003c\/strong\u003e60 ± 1s (high); 90 ± 1s (low)\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-O9dNdbgSkoDcMDxh6U8lz62YgvX\"\u003e\n\u003cstrong\u003eOperating Temperature: \u003c\/strong\u003e-20°C - 50°C\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-BgNFdpkYSoPqCkxeHsWluYOZgGc\"\u003e\n\u003cstrong\u003eStoring Temperature:\u003c\/strong\u003e -20°C - 50°C\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Y2IUdOa9Vo0pyAxsYYqlteXHgDd\"\u003e\n\u003cstrong\u003eOperating Humidity: \u003c\/strong\u003e\u0026lt; 95% RH\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-Yod9dwEZqo4sWXxyqMllAb8kgmc\"\u003e\n\u003cstrong\u003ePreheat Time:\u003c\/strong\u003e 48 hours\u003c\/div\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-XnA1dYgqXo3z5SxdUxhlMHEzg0b\"\u003e\u003c\/h2\u003e\n\u003ch2 class=\"heading-2 ace-line old-record-id-XnA1dYgqXo3z5SxdUxhlMHEzg0b\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-FaAZdTqEBo0md9xMd3SlB0PDgwg\"\u003eDomestic Carbon Monoxide Leakage Alarm\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-JLwndGmdDoUQDaxZOOTlqM4SgJh\"\u003eIndustrial CO Detectors\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-YMpmdhFQto6ehVxHTaal2SJUgRf\"\u003ePortable CO Detectors\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-KHhidqBuNoLoG2xXAXwlR4kjgPd\"\u003eAir Quality Monitoring\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-QYa7dg2qCoEFr4xJyE1lhqU9gAb\"\u003eAutomotive Applications\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-FxO7dKocdoqII6x2gSalnzqVgAd\"\u003eSmart Home Safety Systems\u003c\/div\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-IKm3dakruotLeCx7k6Slz24eg5c\"\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":44212820639935,"sku":"MLE00511","price":85.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0531\/3419\/6927\/files\/MLE00511.jpg?v=1745912061","url":"https:\/\/makerlab.ph\/products\/mq7-carbon-monoxide-gas-sensor","provider":"Makerlab PH","version":"1.0","type":"link"}