Routine maintenance Difficulties: Determining the precise spot of faults or challenges may be additional time-consuming in standard units due to lack of product-particular facts. Our photoelectric detector’s special optical sensing chamber is engineered to sense smoke made by an array of combustion sources. Clever (addressable) detectors incorporate stage ID capability https://www.firesense.co.uk/type/addressable-fire-system/addressable-beam-detectors/