Datasheet for the System Sensor 400 Series Duct Smoke Detectors, published in 1996. Document No: A05-240-01. Models DH400I, DH400A and DH400P. Product features and technical specifications.
Datasheet for the System Sensor 400 Series Duct Smoke Detectors, published in 1996. Document No: A05-240-01. Models DH400I, DH400A and DH400P. Product features and technical specifications.
