MQ-4 Natural Gas, Coal CO & Methane Gas Sensor Module
Internal Reference:
KIT.MQ4
Features:
- Good sensitivity to Combustible gas in a wide range
- High sensitivity to Natural gas
- Characteristics of gas: 5000 PPMM methane
- Sensitivity: R in air/Rin typical gas >=5
- Sensitive resistance: 1k ohm to 20k ohm in 5000PPM methane
- Response time: <=10s
- Recovery time: <=30s
- Heat resistance: 31ohm +/- 3ohm
- The heating current: <=180mA
- The heating voltage: 5.0V +/- 0.2V
- Heating power: <=900mW
- Measure the voltage: <=24V
- Working conditions:
- Ambient temperature: -20C ~ + 55C
- Humidity: <=95%RH
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