MQ7 GAS SENSOR
- Operating Voltage: 3.3 – 5V.
- Type: Analog Sensor.
- Can detect the presence of carbon monoxide
- Heating voltage (high): 5V ± 0.1
- Heating voltage (low): 1.4V ± 0.1
- Load resistance: Adjustable
- Heating resistance: 33Ω ± 5%
- Heating time (high): 60 ± 1 seconds
- Heating time (low): 90 ± 1 seconds
- Heating consumption: About 350mW
- Using temperature: -20°C-50°C
- Storage temperature: -20°C-50°C
- Relative humidity: Less than 95%RH
- Oxygen concentration: 21%(stand condition) the oxygen concentration can affect the sensitivity characteristic
- Stable, long life and low cost
- Good sensitivity to Combustible gas in a wide range