The beam operates primarily on the theory of light obscuration making use of infrared. The OSI-RI detector is actually a mixed transmitter/receiver that may be immediately connected to an smart detector circuit in LiteSpeed® or CLIP method. The 302-ET-194 Thermotech rate-anticipation heat detector from Honeywell NOTIFIER operates in a managed https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/