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The Photoelectric Smoke Sensor is a listed Analog/Addressable smoke sensor compatible with any fire alarm control panel that has the Potter/Nohmi protocol. The PSA is a low profile smoke sensor with a wide sensitivity range. The sensor and base (not included) are made of a durable plastic in an eggshell white (off white) to blend in with the ceiling.
The PSA has a sensitivity range of 1.05 to 3.82% per foot and is UL and cUL listed. The PSA can be configured for drift compensation and has built in dirty detector warning as well as. The PSA and the control panel communicate over a proven and robust digital communication path and the system analyzes the level of alarm at the particular device. The total polling speed is less than five (5) seconds, well under the UL requirements.