MQ-4 Natural Gas Methane Gas Sensor Module

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MQ-4 Natural Gas Methane Gas Sensor Module

3,750 IQD

In stock

MQ-4 Natural Gas Methane Gas Sensor Module

The gas sensing material used in the MQ-4 gas sensor is two tin oxide (SnO2), which has a lower conductivity in clean air. When there is a combustible gas in the environment, the electrical conductivity of the sensor increases with the increase of the concentration of combustible gas in the air. A simple circuit is used to convert the change of electrical conductivity to the output signal corresponding to the gas concentration. The sensitivity of MQ-4 gas sensor to methane is high, better sensitivity for propane and propane. This sensor can detect a variety of combustible gases, especially natural gas, is a suitable for a wide range of applications of low-cost sensors.

Special remind: electricity sensor, need to preheat the 20s, the measured data is stable, heat sensor belongs to the normal phenomenon because of the internal electric heating wire, if hot is not normal.

Package Includes:
1 x MQ-4 Methane Natural Gas Sensor

SKU: 220-MQ4 Category:
  • Name: MQ-4 natural gas,Methane Sensor Module
  • Detection range: 300 to 10000 PPMM
  • 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: -20℃ ~ + 55℃
    • Humidity: <=95%RH
  • Storage conditions:
    • Temperature: -20℃~ +70℃
    • Humidity: <=70%RH

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