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DH-98-P Smoke Detector Standard Features - Greenheck
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日期：2025-07-07
Notes 1. Mininum air velocity for smoke detector operation is 300 fpm (1.5 m/s). Maximum is 4000 fpm (20.3 m/s). 2. Since the smoke detector is not rated for use at veloci-ties below 300 fpm (1.5 m/s), local code may require an alternate means of damper c...看更多
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