Technical Documents
Application Resources
EMS-00001-A
MQ-2 Gas Sensor
Combustible Gas & Smoke Detector
Description
Manufacturer Details
| Manufacturer | Part Number |
|---|---|
| Hanwei Electronics Group Corporation | MQ-2 |
| Zhengzhou Winsen Electronics Technology Co., Ltd. | MQ-2 |
Technical Specifications
| Sensor Model | MQ-2 |
| Detection Range | 300 – 10,000 ppm |
| Detectable Gases | LPG, Butane, Propane, Methane (CH₄), Hydrogen (H₂), Alcohol, Smoke, CO |
| Sensing Material | Tin Dioxide (SnO₂) |
| Operating Voltage | 5V DC |
| Digital Output Voltage | 0V or 5V (TTL Logic) |
| Analog Output | Yes |
| Sensitivity Adjustment | Onboard Potentiometer |
| Preheat Time | 20 seconds (minimum) |
| Dimensions (mm) | 36 × 20 × 21 |
| Weight (g) | 8 |
| Shipping Weight | 0.012 kg |
| Shipping Dimensions (cm) | 4 × 4 × 4 |
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