Fire?Detector,?Smoke?Detector.?(SIG-IDS) 1、Combination Detector 复合探测器 A device that either responds to more than one of the fire phenomena or employs more than one operating principle to sense one of these phenomena. Typical examples are a combination of a heat detector with a smoke ...
NFPA 72H-19 National Fire Alarm Code - 2019 Handbook 国外标准规范.pdf,National Fire Alarm and Signaling Code® Handbook Ninth Edition Edited by Richard J. Roux Senior Electrical Specialist, NFPA Barry D. Chase Senior Fire Alarm Engineer, NFPA Christoph