The beam operates totally on the theory of light obscuration using infrared. The OSI-RI detector is a put together transmitter/receiver which might be specifically connected to an intelligent detector circuit in LiteSpeed® or CLIP mode. Unwelcome alarms because of the beam staying totally obscured for a short timeframe can be https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/