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Description
Features :
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | Combustible Gas Sensor Module |
| Model | MQ-6 |
| Sensitive Material | Tin Oxide (SnO₂) |
| Working Principle | Gas concentration increases conductivity of SnO₂, converted to electrical signal |
| Detection Method | Conductivity change proportional to combustible gas concentration |
| Target Gases | LPG, propane, butane, methane, natural gas, LNG |
| Detection Range | 300 – 10,000 ppm |
| Operating Voltage | DC 5V |
| Power Consumption | 150 mA |
| Output Types | Analog output + Digital (TTL) output |
| Digital Output Logic | LOW signal when gas is detected |
| Analog Output Behavior | Higher gas concentration → higher voltage (up to ~4V) |
| Sensitivity | High sensitivity to LPG and natural gas |
| Interference Resistance | Good resistance to ethanol vapor and smoke |
| Response Time | Fast response and recovery |
| Warm-up Time | ~20 seconds (initial stabilization) |
| Stability | Long service life and reliable performance |
| Physical Design | Double-layer PCB with power and signal indicators |
| Mounting Feature | 4 screw holes for easy installation |
| Dimensions | 32 × 20 × 22 mm |
| Output Voltage (AO) | 0.1 – 0.3V (low concentration), up to ~4V (high concentration) |
| Interface Features | TTL output (0–1 logic), analog output |
| Application Type | Gas leak detection systems |
| Use Case | Home LPG detection, industrial safety systems, gas monitoring devices |
Package Includes:
1 x MQ-6 Gas Sensor Module
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