MQ-2 Gas and Smoke Sensor Module for LPG, Butane, and Methane
The MQ-2 is a smoke and combustible gas sensor from Winsen. It can detect flammable gas in a range of 300 - 10000ppm. It s most common use is domestic gas leakage alarms and detectors with a high sensitivity to propane and smoke. The MQ-2 Gas Sensor Module is a highly sensitive detector for flammable gases and smoke, compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers. It is ideal for home safety systems, gas leak alarms, and environmental monitoring applications.
₹ 89
₹ 149
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| Made In : | India |
The MQ-2 Gas Sensor Module is a highly sensitive semiconductor sensor used for detecting smoke and various flammable gases. It is widely used in safety systems, gas leakage detection, and IoT-based environmental monitoring projects with Arduino, ESP32, and other microcontrollers.
Key Features
- Detects smoke, LPG, methane, propane, hydrogen, and flammable gases
- High sensitivity with fast response time
- Analog and digital output available
- Adjustable sensitivity via onboard potentiometer
- Built-in heating element for gas detection
- Easy interface with microcontrollers
- Low-cost and widely used safety sensor
Technical Specifications
| Parameter | Specification |
|---|---|
| Sensor Model | MQ-2 |
| Detectable Gases | LPG, CH₄, H₂, smoke, propane |
| Operating Voltage | 5V DC |
| Output Type | Analog & Digital |
| Detection Range | ~200 ppm – 10,000 ppm (approx.) |
| Preheat Time | 20–24 hours (initial use recommended) |
| Heating Current | ~150 mA |
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