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Flame Sensor

The flame sensor can sense a flame and its size through detecting IR light.


Sunlight contains a large amount of infrared light, which may severely interfere with the operation of the flame sensor, and therefore the flame sensor can’t work properly when placed in direct sunlight.

Real-life example

  • Flame sensors can be a great help in places where fire is strictly prohibited.



  • Dimensions: 24 × 20 (mm)
  • Value range: 0–100
  • Consistency error:
  • Operating current: 20 mA