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The DNRW intelligent watertight non-relay Photoelectric Duct Smoke Detector features a pivoting housing that fits both square and rectangular footprints capable of mounting to a round or rectangular duct. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 0.5 m/s to 20.32 m/sec, temperatures of –20 °C to 70 °C and a humidity range of 0 to 95 percent (non condensing).

Features

• Utilises a standard plug-in conventional photoelectric smoke detector – supplied separately
• Integrated Low-Flow technology
• Air Velocity rating from 0.5 m/s to 20 m/s
• Versatile mounting options: square or rectangular configuration
• Broad ranges for operating temperature (-20 °C to 70 °C) and humidity (0 % to 95 % non-condensing)
• Patented sampling tube installs from front or rear of the detector with no tools required
• Cover Tamper signal
• Large wiring space with three 20 mm conduit knockouts
• Remote test capability
• Improved LED status
• Powered from the analogue loop

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