U u operates over distances between 30 ft 9 m and 350 ft 107 m u six levels of switch selectable sensitivity built in alignment sights and tamper protection.
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General description system sensor model beam1224 beam1224s is a long range projected beam smoke detector designed to provide open area protection.
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Long range beam smoke detectors.
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Indoors outdoors ds474qi 1000 ft.
Installation instructions ds474qi and ds476qi quad beam photoelectric intrusion detection systems 1 0 specifications range.
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Installation manual 2017 03 7 0 f 01u 068 899 table of contents1notices 4 1 1 regulatory 4 1 2 trademarks 4 2 system overview 5 2 1 description 5 2 2 operation 5 3 installation considerations 8 3 1 avoid air movement sources 8 3 2 avoid bright light sources 8.