System Sensor | DNR

System Sensor DNR Intelligent Non-Relay Photoelectric Duct Smoke Detector

The System Sensor DNR is an intelligent, non-relay photoelectric duct smoke detector designed to provide early detection of smoke and products of combustion in air handling systems. Its innovative design and advanced features make it suitable for a wide range of applications, ensuring reliable performance in challenging environmental conditions. 

Key Features:

• Low-Flow Technology: Utilizes photoelectric sensing technology optimized for low airflow environments, operating effectively in airspeeds from 100 to 4,000 feet per minute (0.5 to 20.32 m/s). 

• Flexible Installation: Features a pivoting housing that fits both square and rectangular footprints, capable of mounting to round or rectangular ducts. The patented sampling tube can be installed from the front or back of the detector without the need for tools, simplifying installation and maintenance. 

• Environmental Resilience: Designed to operate in temperatures ranging from -4°F to 158°F (-20°C to 70°C) and a humidity range of 0% to 95% (non-condensing), making it suitable for diverse environmental conditions. 

Specifications:

• Operating Voltage: 15 to 32 VDC

• Operating Temperature Range: -4°F to 158°F (-20°C to 70°C)

• Humidity Range: 0% to 95% RH, non-condensing

• Air Velocity: 100 to 4,000 feet per minute (0.5 to 20.32 m/s)

• Dimensions: 14.38” (L) × 5” (W) × 2.5” (D)

Compatibility:

The DNR is compatible with a variety of System Sensor accessories, enhancing its functionality and ease of use:

• Remote Test Stations: Compatible with RTS151 and RTS151KEY remote test stations, allowing for convenient testing and maintenance. 

• Sampling Tubes: Utilizes DST sampling tubes, available in various lengths to accommodate different duct widths. 

• Relay Modules: Accommodates an addressable relay module (sold separately) for applications requiring a Form C relay.