Specifications and Features of MQ9 Carbon Monoxide Methane And LPG Gas Sensor Module:
- Model: MQ-9
- Input voltage: DC 5±0.2V
- Power: 150mA
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0.3V (relatively clean), the highest concentration voltage is about 4V.
- Dimensions: 32 x 20 x 22 mm (LxWxH)
- Good sensitivity to CO/Combustible gas
- High sensitivity to Methane, Propane, and CO
- Long life and low cost
- Simple drive circuit
- Weight: 5 gm.
Wire Connections :
- VCC – positive pole (5V)
- GND – negative pole
- DO – TTL switch signal output
- AO – analog signal output
Applications :
- Domestic gas leakage detector
- Industrial gas detector
- Portable gas detector
Package Includes :
- 1 x MQ-9 Carbon Monoxide, Methane, and LPG Gas Sensor Module.
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