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What are the methods used to test duct smoke detector sensitivity in conventional systems ( not intelligent)

Question asked by randolphwiggins on Jan 8, 2017
Latest reply on Jan 9, 2017 by mygzrodriguez

NFPA 72 requires sensitivity testing of smoke detectors every two years. Other than building a mock up and removing duct smoke detectors for testing on the mock up how can non intelligent duct smoke detectors be tested for sensitivity