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Smoke detectors: System Sensors

The company’s InnovairFlex™ now features supply and return detection.

System-Sensor-082012-body.jpgThe System Sensor InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of –4°F to 158°, and a humidity range of 0% to 95% (noncondensing).

For applications that require supply and return detection, InnovairFlex has a 2-to-1 sensor to power board capability using the D4120 and the D4S. This capability eliminates the need to run power to a second power board for these applications, significantly reducing installation time and costs. It also reduces maintenance and testing costs by enabling the testing of two sensors from a single location. For more information, visit.

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2015 March

Check out the March issue of ES with the cover story: High-Rise Overhaul, and features: Selecting & Installing Fire And Smoke Dampers To Ensure Code Compliance; Energy Optimization In Existing Buildings; and The Skinny On Reactors For VFDs.
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