{"id":49409,"date":"2020-03-14T13:58:19","date_gmt":"2020-03-14T13:58:19","guid":{"rendered":"http:\/\/siratek.net\/?post_type=product&#038;p=49409"},"modified":"2026-05-11T09:37:26","modified_gmt":"2026-05-11T09:37:26","slug":"mq9-gas-sensor-module","status":"publish","type":"product","link":"https:\/\/siratek.net\/index.php\/product\/mq9-gas-sensor-module\/","title":{"rendered":"MQ9 gas sensor module"},"content":{"rendered":"<body><div><strong>Features:<\/strong>\n<p>\u2013 For home or factory gas leakage monitoring devices, suitable for carbon monoxide and other combustible gases and monitoring devices<br>\n\u2013 High-quality, dual-panel design, with power indicator and TTL signal output instructions;<br>\n\u2013 DO switching signal(TTL) output and AO analog signal output<br>\n\u2013 TTL output valid signal is low. (When the output low signal light is on, it can be directly connected microcontroller or relay module)<br>\n\u2013 Analog output voltage:the higher the concentration,the higher the voltage<br>\n\u2013 Have better sensitivity to carbon monoxide detector<br>\n\u2013 Four screw holes,easy positioning<br>\n\u2013 Product Dimensions: 32 (L) * 20 (W) * 22 (H)<br>\n\u2013 Long life and stability<br>\n\u2013 Quick response and resume<\/p>\n<p>\u2013 Electrical performance:<br>\n\u2013 Input voltage: DC5V<br>\n\u2013 Power (current): 150mA<br>\n\u2013 DO output: TTL digital 0 and 1 (0.1 and 5V)<br>\n\u2013 AO Output: 0.1-0.3V (relatively clean), the highest concentration voltage is about 4V<br>\n\u2013 Special note: When the sensor is powered, it needs to be warmed up about 20S, so the measured data becomes stable, the heat sensor is a normal phenomenon, because its inside is with an electric wire, if not, unnomal.<\/p>\n<p><strong>Specifications<\/strong><\/p>\n<p>\u2013 Product Model:MQ-9<br>\n\u2013 Product Type:Semiconduct-gassensitive element<br>\n\u2013 Gas Detected:Carbon monoxide,Combustible gas<br>\n\u2013 Detectable Concentration:10-1000ppmCO, 100-10000PPM gas<\/p><\/div>\n<div><\/div>\n<\/body>","protected":false},"excerpt":{"rendered":"<p>Features: \u2013 For home or factory gas leakage monitoring devices, suitable for carbon monoxide and other combustible gases and monitoring devices \u2013 High-quality, dual-panel design, with power indicator and TTL signal output instructions; \u2013 DO switching signal(TTL) output and AO analog signal output \u2013 TTL output valid signal is low. (When the output low signal &hellip; <a href=\"https:\/\/siratek.net\/index.php\/product\/mq9-gas-sensor-module\/\" class=\"more-link\">Read more<\/a><\/p>\n","protected":false},"featured_media":49411,"comment_status":"open","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false},"product_cat":[70],"product_tag":[496,812,811],"class_list":["post-49409","product","type-product","status-publish","has-post-thumbnail","product_cat-sensors","product_tag-gas-sensor","product_tag-mq9","product_tag-mq9-gas-sensor-module","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MQ9 gas sensor module - siratek<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/siratek.net\/index.php\/product\/mq9-gas-sensor-module\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MQ9 gas sensor module - siratek\" \/>\n<meta property=\"og:description\" content=\"Features: \u2013 For home or factory gas leakage monitoring devices, suitable for carbon monoxide and other combustible gases and monitoring devices \u2013 High-quality, dual-panel design, with power indicator and TTL signal output instructions; \u2013 DO switching signal(TTL) output and AO analog signal output \u2013 TTL output valid signal is low. (When the output low signal &hellip; Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/siratek.net\/index.php\/product\/mq9-gas-sensor-module\/\" \/>\n<meta property=\"og:site_name\" content=\"siratek\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-11T09:37:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/siratek.net\/wp-content\/uploads\/2020\/03\/mq-9q.jpg?fit=900%2C900&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/mq9-gas-sensor-module\\\/\",\"url\":\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/mq9-gas-sensor-module\\\/\",\"name\":\"MQ9 gas sensor module - siratek\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/siratek.net\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/mq9-gas-sensor-module\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/mq9-gas-sensor-module\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/siratek.net\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/mq-9q.jpg?fit=900%2C900&ssl=1\",\"datePublished\":\"2020-03-14T13:58:19+00:00\",\"dateModified\":\"2026-05-11T09:37:26+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/mq9-gas-sensor-module\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/mq9-gas-sensor-module\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/mq9-gas-sensor-module\\\/#primaryimage\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/siratek.net\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/mq-9q.jpg?fit=900%2C900&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/siratek.net\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/mq-9q.jpg?fit=900%2C900&ssl=1\",\"width\":900,\"height\":900,\"caption\":\"MQ9 gas sensor module\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/mq9-gas-sensor-module\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/siratek.net\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"HOME\",\"item\":\"https:\\\/\\\/siratek.net\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"MQ9 gas sensor module\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/siratek.net\\\/#website\",\"url\":\"https:\\\/\\\/siratek.net\\\/\",\"name\":\"siratek\",\"description\":\"Your Best Electronic Retail Shop\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/siratek.net\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"MQ9 gas sensor module - siratek","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/siratek.net\/index.php\/product\/mq9-gas-sensor-module\/","og_locale":"en_US","og_type":"article","og_title":"MQ9 gas sensor module - siratek","og_description":"Features: \u2013 For home or factory gas leakage monitoring devices, suitable for carbon monoxide and other combustible gases and monitoring devices \u2013 High-quality, dual-panel design, with power indicator and TTL signal output instructions; \u2013 DO switching signal(TTL) output and AO analog signal output \u2013 TTL output valid signal is low. 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