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System sensor 6424 projected beam fire smoke detector

System Sensor 6424 Projected Beam Type Smoke Detector
New in Box (open box)/New (old) Stock
General Information: Range 30 to 330 feet. System Sensor Model 6424 is a long range projected beam smoke detector designed to provide open area protection. It is to be used with UL-listed, separately supplied power (4-wire) control panels only. The detector consists of a separate transmitter and receiver. Smoke entering the area between the transmitter and the receiver causes a reduction in signal at the receiver. When the obscuration reaches one of two predetermined thresholds (chosen with a switch in the receiver), the detector generates an alarm signal. Additional specifications and general information can be provided upon request.
System sensor 6424 projected beam fire smoke detector