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MQ 7 Carbon Monoxide Coal Gas Sensor Module

99.00

QUICK OVERVIEW :-

  • Detection of gas: carbon gas
  • Heating voltage: 5 ± 0.2V (AC · DC)
  • Working current: 140mA
  • Loop voltage: 10V (maximum DC 15V)
  • Load resistance: 10K (adjustable)
  • Clean air voltage: ≤1.5V
  • Sensitivity: ≥3%
  • Response time: ≤1S (preheat 3-5 minutes)

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    The MQ-7 Carbon Monoxide and Coal Gas Sensor Module serves as an essential component for detecting the presence of carbon monoxide (CO) and coal gas in the air.
    Hanwei Electronics manufactures this sensor module, widely used in applications where monitoring these hazardous gases.
    is critical for safety, such as in homes, industrial environments, and automotive systems.

    The MQ-7 sensor module operates on the principle of a tin dioxide (SnO2) semiconductor sensor. When exposed to carbon monoxide or coal gas, the sensor’s conductivity changes, leading to variations in electrical resistance.
    This change converts into an analog voltage signal, providing a precise measure of the concentration of these gases in the surrounding environment.

    One distinctive feature of the MQ-7 sensor is its high sensitivity to carbon monoxide and coal gas, allowing for rapid and accurate detection even at low concentrations.
    This characteristic makes it an invaluable tool in scenarios where early detection of these gases is crucial for so preventing potential health hazards.

    The module is designed for straightforward integration into electronic systems, but often equipped with analog output pins for easy connectivity with microcontrollers like Arduino.
    This user-friendly design facilitates the incorporation of the sensor into various projects, so ranging from home safety systems to industrial gas monitoring setups.

    Applications of the MQ-7 sensor module are diverse. In homes, it plays a vital role in but ensuring the safety of residents by detecting carbon monoxide leaks from gas appliances.
    In industrial settings, the sensor contributes to safety protocols by monitoring the presence of coal gas and carbon monoxide, thereby preventing potential accidents.
    Additionally, automotive systems benefit from the module’s ability to detect these gases, enhancing vehicle safety and emissions control.

    Specifications: –

    • Size: 35mm × 22mm × 18mm
    • Detection of concentration: 10-1000ppmCO
    • Detection of gas: carbon gas
    • Heating voltage: 5 ± 0.2V (AC · DC)
    • Working current: 140mA
    • Loop voltage: 10V (maximum DC 15V)
    • Load resistance: 10K (adjustable)
    • Detection concentration range: 10-1000ppm
    • Clean air voltage: ≤1.5V
    • Sensitivity: ≥3%
    • Response time: ≤1S (preheat 3-5 minutes)
    • Response time: ≤30S
    • Element power: ≤0.7W
    • Working temperature: -10 ~ 50 ℃ (nominal temperature 20 ℃)
    • Humidity: 95% RH (nominal humidity 65% RH

    To Learn More Visit our Website

    For more information:-www.mifraelectronics.com 

    * Product Images are shown for illustrative purposes only and may differ from actual product.


    Package Includes:

    • 1 x MQ 7 Carbon Monoxide Coal Gas Sensor Module.

    Weight 0.15 kg

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