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