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PSA Obsolete Product

Addressable Photoelectric Smoke Detector

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 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 may 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.

The PSA has two LEDs that allow for 360° viewing. The sensor is compatible with any of the Potter/Nohmi bases and simply twists on. The PSA is addressed using the hand held programmer or the control panel addressing function.

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