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MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25)

MQ-2 Gas Sensor Module For H2, LPG, CH4, CO, Smoke or Propane Detector Module ( Pack of 25)

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Description: 1. MQ-2 is a Gas Sensor Module capable of detecting Hydrogen (H2), LPG (Propane), Methane (CH4), Carbon Monoxide (CO), and Smoke. This pack includes 25 units. 2. Design: The module features a heated filament sensor that reacts chemically when exposed to specific gases, altering the resistance that is then read by an analog input pin on an Arduino or any other microcontroller. 3. Easy Integration: Connects easily to Arduino and other microcontrollers via analog input pins (0-5V DC). No additional power source is required for the sensor itself. 4. Versatile Applications: Ideal for gas leak detection, air quality monitoring, automation systems, and safety applications such as fire alarms or propane detector systems. 5. Calibration: The sensor requires a simple calibration process using known gas concentrations to ensure accurate readings. It comes with a built-in reference LED that assists the calibration procedure. 6. Operating Principle: The resistance change caused by the presenc

Specification Details
Sensor Type Combustible gas sensor (H2 LPG CH4)
Operating Voltage 3.3V to 5V (5V recommended)
Current Consumption Typical: 140mA Max: 400mA
Analog Output 0-1023 analog voltage output
Detection Range H2: 100-30000 ppm LPG: 200-80000 ppm
Response Time <1 second
Stable Temperature 15°C to 30°C
Dimensions (LxW) 38mm x 18mm
Package Quantity Pack of 25
Operating Humidity 10-80% relative humidity
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