MQ-8 hydrogen gas sensor
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MQ-8 hydrogen gas sensor is a Metal oxide semiconductor type sensor. This sensor is easy to use and detects hydrogen gas concentration in the range of 100-10000ppm anywhere.

The sensitive material of the MQ-8 gas sensor is SnO2, which with lower conductivity in clean air. When hydrogen gas exists, the sensor’s conductivity gets higher along with the gas concentration rising. Users can convert the change of conductivity to correspond output signal of gas concentration through a simple circuit.

MQ-8 gas sensor has a high sensitivity to hydrogen gas and also has anti-interference to other gases. This sensor can detect hydrogen, especially city gas. It is a kind of low-cost sensor for kinds of applications.

Features :

  1. Operating Voltage: 5V DC.
  2. Detects H2 Gas concentration in air.
  3. Resistant to LPG, smoke, alcohol.
  4. Heater power consumption: < 800mW.
  5. Can detect H2 gas in the concentration range of 100 to 1000ppm.
  6. Interface type: Analog.
  7. Pin Definition: 1-Output 2-GND 3-VCC.
  8. High sensitivity to Hydrogen (H2).
  9. Small sensitivity to alcohol, LPG, and cooking fumes.
  10. Stable and long life.
  11. Size: 40x20mm.

Package Includes :

1 x MQ-8 Hydrogen Gas Sensor Module H2 Alarm Detection.

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