{"product_id":"hydrogen-gas-sensor-mq-8","title":"Hydrogen Gas Sensor MQ-8","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cstrong\u003eMQ-8 Hydrogen (H_2) Gas Sensor\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003eThe sensor utilizes Tin Dioxide (SnO_2) as its primary sensing material. When the internal heater warms the (SnO_2) layer, it reacts with hydrogen molecules in the atmosphere. This reaction reduces the sensor's internal resistance, which the module converts into a readable voltage for your microcontroller.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eWhy it’s a Hydrogen Safety Essential:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e. High (H_2) Specificity: Unlike general-purpose gas sensors, the MQ-8 is engineered to focus on Hydrogen. This makes it far more reliable in industrial settings or laboratories where other gases might be present.\u003cbr\u003e. Wide Detection Range: It can detect concentrations from 100 ppm to 10,000 ppm. This allows it to identify leaks well before they reach the Lower Explosive Limit (LEL) of Hydrogen (~4% in air), providing a critical safety buffer.\u003cbr\u003e. Dual Output Utility:\u003cbr\u003e* Analog (A0): Provides a 0V to 5V signal. This is crucial for monitoring the rate of a leak or checking if hydrogen levels are rising over time.\u003cbr\u003e* Digital (D0): Acts as a high-speed trigger. By adjusting the onboard potentiometer, you can set a specific threshold to immediately activate a ventilation fan or an emergency alarm.\u003cbr\u003e. Minimal Interference: It is designed to be \"blind\" to smoke and cooking vapors, which drastically reduces false alarms in complex environments like garages or workshops.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eTechnical Capabilities:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e. Operating Voltage: 5V (Required to power the internal heating element).\u003cbr\u003e. Power Consumption: Approximately 150mA to 180mA.\u003cbr\u003e. TTL Compatibility: The digital output provides a clean logic-level signal (usually active LOW) that interfaces directly with Arduino or ESP32.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003eThe MQ-8 is the go-to sensor for hydrogen fuel cell monitoring, battery charging station safety (detecting off-gassing), industrial hydrogen leak alarms, and laboratory environmental monitoring.\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"TinkEdge","offers":[{"title":"Default Title","offer_id":46404510777543,"sku":"TE-GASSE-071","price":170.13,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6620\/6407\/files\/MQ8_1.png?v=1776442964","url":"https:\/\/shop.tinkedge.tech\/products\/hydrogen-gas-sensor-mq-8","provider":"TinkEdge","version":"1.0","type":"link"}