Smoke detector is a device it sense the smoke, the electronic horn make very loud noise to wake the people. When fire breaks out smoke will enter the optical chamber through the opening vents, then the infer red light to be scattered onto the photo diode light receptor.

When light scattered a signal is sent to the integrated circuit and it causes the alarm to sound alerting to the fire to alert the people.

Working of smoke detector

Smoke detector is must be screwed to ceiling and it is easy to detect the smoke where the fire is present.

Applications

  • High sensitivity to fast burning, flaming fires that produce small smoke particles
  • Widely used for applications such as priniting workshops, paper mills and paint stores
  • Good for general purpose
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