Our Products
Our product range contains a wide range of Grayston Smoke Detector and Greystone Duct Smoke Detector
Greystone duct smoke detector
specifically the widely used smoke inside HVAC/air duct systems and interface with fire alarm or building control systems. Systems +1
Detector Type & Technology
Sensor type: Photoelectric (lightscattering) for smoke detection good immunity to false alarms and sensitive to a wide range of smoke particle sizes.
Systems
Wiring: 4wire conventional connection (power + alarm returns).
Systems
Designed to be used only with a metal sampling tube installed in the duct.
Systems
Airflow & Environmental Limits
Specification
DSD / DSD2G Series
Air duct velocity range
1004, 000 ft/min (0.520.3 m/s) Systems
Operating Temp.
20C to +70C (4F to +158F)
Systems
Humidity Range
095% RH (noncondensing
Product Description: