With its industry-foremost optics, the Ampac Beam Detector is ideally suited to the protection of enormous locations wherever the use of common detection technologies would verify for being much too challenging and/or highly-priced to put in. Undesired alarms because of the beam currently being totally obscured for a short length https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/