XP95 Apollo Intrinsically Safe Optical Smoke Detector 55000-640 one loop panel The base is supplied with

The base is supplied with the screws unscrewed in order to avoid unnecessary work for the installer

The signal is processed by the electronic circuitry and transmitted to the control equipment in exactly the same way as in the case of the ionization smoke detector

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and 4 loop sizes

detectors may be identified by a suffix to show that they are rate-of-rise (suffix R) or fixed (static) temperature (suffix S) types

XP95 Apollo Intrinsically Safe Optical Smoke Detector 55000-640 one loop panel The base is supplied withOptical smoke detectors incorporate a pulsing LED located in a labyrinth within the housing of the detector. The labyrinth is designed to exclude light from any external source. At an angle to the LED is a photo diode which, in clear air conditions, does not receive light directly from the LED. The detector transmits a clear air signal to the control panel. When smoke enters the labyrinth, light is scattered onto the photo diode and the signal to the