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58000-600 Apollo Discovery Photoelectric Smoke Detector

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Price: £27.00 inc VAT: £32.40

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Description

558000-600 Apollo Discovery Photoelectric Smoke Detector

The discovery Optical Smoke Detector uses an IR LED
which pulses light across a smoke chamber with a photo-diode set at an obtuse angle.
In clear air it receives no light, but when smoke enters the chamber,
light from the LED is scattered onto the photo-diode.
A signal is then processed to provide an analogue value for transmission when the detector is polled.

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