Datasheet for the System Sensor DH1851/2851 Series Duct Detectors, published in 1985. Document No: CDH851. Models DH1851AC, DH1851DC, DH2851AC and DH2851DC. Product features and technical specifications.
Datasheet for the System Sensor DH1851/2851 Series Duct Detectors, published in 1985. Document No: CDH851. Models DH1851AC, DH1851DC, DH2851AC and DH2851DC. Product features and technical specifications.
