System Sensor DNR Intelligent Photoelectric Duct Detector
System Sensor DNR intelligent non-relay photoelectric duct smoke detectors and DNRW water-tight non-relay photoelectric duct smoke detectors feature a pivoting housing that fit both square and rectangular footprints capable of mounting to a round or rectangular duct.
These units sense smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 ft/min (0.5 to 20.32 m/s.
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