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LIFECO SMOKE SENSOR LE-ALG-V

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The detection chamber consists of a light emitting diode (LED) and photodiode arrangement. The chamber is designed such that light emitted by the LED cannot normally reach the photo diode. In the event of fire, particles of smoke enter the chamber and scatter the light. As the smoke level increases, the scattering effect increases, causing more light to hit the photo- diode. The chamber contains a unique baffle design which allows smoke to enter the chamber while preventing external light from affecting the photodiode. The photodiode input level is sampled to sense smoke density. When the smoke density exceeds a preset threshold the sensor transmits an interrupt to the fire control panel indicating a fire condition. The fire alarm control panel can adjust the sensor threshold to compensate for contamination. Up to 127 devices are permitted on each loop. A sensor address can be set by a handheld programming unit. The sensor mounts to an electronics free base and incorporates a locking mechanism for secure installation. The base provides mounting slots, terminals for field wiring and a third contact for a remote indicator/LED. The sensor incorporates dual LED’s for easy viewing of sensor status.

FEATURES

• Low Profile - Only 1.97” high, including base

• Simple and reliable device addressing method

• Automatic compensation for sensor contamination

• Built-in optical fire test feature

• Uses the noise immune Digital Communication Protocol (DCP), which utilizes interrupts for fast response to fires

  • Product Details
  • Brand :
  • Place of Origin : UK
  • FOB Price : On Request
  • Minimum Order Quantity : Not Given
  • Supply Ability :
  • Packaging & Delivery
  • Packaging Detail : Not Given
  • Delivery Detail : Not Given

Operating Voltage Current