{"id":4481,"date":"2024-03-20T22:05:24","date_gmt":"2024-03-20T20:05:24","guid":{"rendered":"https:\/\/www.makershop.fi\/?post_type=product&#038;p=4481"},"modified":"2025-12-16T22:03:00","modified_gmt":"2025-12-16T20:03:00","slug":"mq-7-gas-detection-sensor-module","status":"publish","type":"product","link":"https:\/\/www.makershop.fi\/fi\/tuotteet\/moduulit\/digitaaliset-anturit\/mq-7-gas-detection-sensor-module\/","title":{"rendered":"MQ-7 Gas Detection Sensor Module"},"content":{"rendered":"<p><strong>Overview:<\/strong><\/p>\n<p>Sensitive material MQ-7 gas sensors used in clean air, low conductivity tin oxide (SnO2). High-low temperature cycling detection mode (1.5V heating) carbon monoxide detector, conductivity sensor with the increasing concentration of carbon monoxide gas in the air increases,high-temperature (5.0V heating) cleaning cryoadsorption stray gases. Using a simple circuit to change the conductivity, concentration of the gas is converted to the corresponding output signal. MQ-7 gas sensor of high sensitivity for carbon monoxide, this sensor can detect a variety of gases containing carbon monoxide, is a low-cost sensors for a variety of applications<\/p>\n<p><strong>Application:<\/strong><\/p>\n<p>Can be used for home and factory gas leakage monitoring devices, suitable for liquefied petroleum gas, butane, propane, methane, smoke, etc.<\/p>\n<p><strong>Specification:<\/strong><\/p>\n<ul>\n<li>Product model: MQ-7<\/li>\n<li>Product type : Semiconductor gas sensor<\/li>\n<li>Detection gas: carbon monoxide<\/li>\n<li>Detection concentration: 10-1000ppmCO<\/li>\n<li>Loop voltage: le10V DC<\/li>\n<li>Heating voltage (VH): 5.0V plusmn 0.2V ACorDC (high)<\/li>\n<li>1.5V plusmn 0.1VACorDC (low)<\/li>\n<li>Heating time (TL): 60plusmn1S (high) 90plusmn1S (low)<\/li>\n<li>Load resistance (RL): adjustable<\/li>\n<li>Heating resistance (RH): 31Omega plusmn 3Omega (room temperature)<\/li>\n<li>Heating power consumption (PH): le350mW<\/li>\n<li>Sensitive surface resistance (Rs): 2KOmega-20KOmega (in100ppmCO)<\/li>\n<li>Sensitivity (S); Rs (in air) \/ Rs (100ppmCO) ge 5<\/li>\n<li>Concentration slope (alpha): le 0.6 (R300ppm\/R100ppmCO)<\/li>\n<li>Temperature, humidity: 20 deg C plusmn 2 deg C; 65% plusmn 5% RH<\/li>\n<li>Standard test circuit: Vc: 5.0V plusmn 0.1V; VH (high): 5.0V plusmn 0.1V; VH (low): 1.5V plusmn 0.1V<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Overview: Sensitive material MQ-7 gas sensors used in clean air, low conductivity tin oxide (SnO2). High-low temperature cycling detection mode (1.5V heating) carbon monoxide detector, conductivity sensor with the increasing concentration of carbon monoxide gas in the air increases,high-temperature (5.0V heating) cleaning cryoadsorption stray gases. Using a simple circuit to change the conductivity, concentration of [&hellip;]<\/p>\n","protected":false},"featured_media":4482,"comment_status":"open","ping_status":"closed","template":"","meta":{"saved_in_kubio":false},"product_brand":[],"product_cat":[208],"product_tag":[],"class_list":{"0":"post-4481","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-digitaaliset-anturit","7":"product_shipping_class-light-goods","9":"first","10":"instock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product\/4481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/comments?post=4481"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/media\/4482"}],"wp:attachment":[{"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/media?parent=4481"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product_brand?post=4481"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product_cat?post=4481"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.makershop.fi\/fi\/wp-json\/wp\/v2\/product_tag?post=4481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}