The 302-ET-194 Thermotech fee-anticipation warmth detector from Honeywell NOTIFIER operates within a managed array of two to 3 degrees in their set factors, regardless of the speed or level of temperature rise. Our photoelectric detector’s exclusive optical sensing chamber is engineered to sense smoke produced by an array of combustion https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/