L1-02B-08- Photoelectric Spot Type Smoke Detector Most photoelectric smoke detectors are of the spot type and operate on the light scattering principle. A light-emitting diode (LED) is beamed into an area not normally “seen” by a photosensitive element, generally a...
L1-02B-06- Restorable or Non-Restorable Nonrestorable Initiating Device A device in which the sensing element is designed to be destroyed in the process of operation. Restorable Initiating Device A device in which the sensing element is not ordinarily destroyed in the...
L1-02B-05- Combination Heat Detectors Manually activated device generally used to activate the fire alarm. Types are Single action with require just 1 action (such as pulling down) double action pull that require 2 actions (such as pushing in and then pulling down),...
L1-02B-04- Rate of Rise Heat Detector Detector that will trigger an alarm if the temperature at the detector increases at a preset rate. Could be Wired or Wireless. Could be conventional, analog or addressable. Could be self restoring or single use. Available in...
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