It is used as a gas sensing element with this module. Simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from 200 to 10000ppm.
- Power Supply: 5 Volts
- Operating Voltage: DC 5V
- Input Voltage: DC5V
- Power: 150mA
- DO Output: 0.1V/5V
- AO Output: 0.1-0.3A
- Interface Type: Analog & Digital
- High sensitivity to CH4，Natural gas.
- Small sensitivity to alcohol, smoke.
- Fast response .
- Stable and long life
- Simple drive circuit
- Reliable stability.
- Good sensitivity to Combustible gas in wide range
- High sensitivity to Natural gas
- Low cost
- Gas leakage detecting equipment's in family and industry
- Detecting of CH4,Natural gas
- Used in avoiding the noise of alcohol and cooking fumes and cigarette smoke
- Domestic gas leakage detector
- Industrial Combustible gas detector
- Portable gas detector