Principle of detection:
Photo-electric detection of light scattered by smoke particles over a wide range of angles. The optical arrangement comprises an infra-red emitter with a prism and a photo-diode at 90° to the light beam with a wide fi eld of view.
The integral LED flashes when the detector is in a quiescent state.
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A fire-protection device that automatically detects and gives a warning of the presence of smoke.
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