The FST-951R smart addressable detector from Honeywell NOTIFIER functions stage ID capability that enables Each individual detector handle being set with rotary deal with switches to provide correct detector destinations. The FSP-951 photoelectric detector’s distinctive optical sensing chamber is engineered to sense smoke produced by a wide range of combustion https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/