A bonus of beam detectors is their capacity to detect when smoke is scattered about large spots. This is often realized a result of the beam detectors using the obscuration technique, which detects fire as a consequence of smoke particles obscuring the infra-purple mild along the sensing route. Undesired alarms https://e-bookmarks.com/story4128151/the-fact-about-addressable-beam-detectors-that-no-one-is-suggesting