MQ4 Gas Sensor

125.00

Out of stock

Features:

  • High sensitivity to CH4,Natural gas.
  • Small sensitivity to alcohol, smoke.
  • Fast response
  • Stable and long life
  • Simple drive circuit
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“MQ4 is an analogue output sensor which is commonly used as compressed natural gas (CNG) sensor in MQ sensor series. Mq4 is suitable for sensing natural gas CH4 concentrations in the air. It can detect natural gas concentrations anywhere from 200 to 10000ppm. The output voltage of the gas sensor increases if the concentration of gas increases. The sensitivity of the sensor is adjustable by the Potentiometer. The MQ4 sensor module is arduino compatible.

The working voltage of MQ4 gas sensor is 5 volt DC and it draws around 750 mW. This sensor is capable of detecting Natural gas, CH4.

Applications:

  • They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of H4,Natural gas.
  • LNG, avoid the noise of alcohol and cooking fumes and cigarette smoke.
  • Technical Specifications

    Weight 40.8 g
    Dimensions 32 × 22 × 27 mm
    Main Chip LM393
    Operating Voltage 5V
    Load resistance Adjustable
    Heater resistance 26Ω ±3Ω
    Heating consumption ≤950 mW
    Sensing Resistance 10 KΩ – 60 KΩ
    Concentration Scope 200 – 10000 ppm
    Preheat Time Over 48 hours
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