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XP95 I.S. SIL2 optical smoke detector

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Key features:

  • SIL Approved
  • Intrinsically Safe
  • 10 years warranty
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Optical smoke detectors incorporate a pulsed LED located in a labyrinth inside the detector housing. The labyrinth is designed to exclude light from any external source. At an angle to the LED is a photodiode which, in clear air conditions, does not receive light directly from the LED. The detector transmits a clear air signal to the control panel. As the smoke enters the labyrinth, light is scattered over the photodiode and the signal to the panel increases. The signal is processed by the electronic circuits and transmitted to the control equipment in exactly the same way as in the case of the ionization smoke detector.

Full details of operating principles and electrical description are published in the XP95 Engineering Product Guide. XP95 I.S. the detectors have the same operating characteristics as the standard versions.

  • Responds well to slow burning smoldering fires
  • Well suited to loopholes
  • Insensitive to wind or atmospheric pressure
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