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BS 7443

1991 Edition, June 28, 1991

Complete Document

Specification for Sound Systems for Emergency Purposes

Includes all amendments and changes through Reaffirmation Notice , February 15, 1997


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Superseded By: BS EN 60849

EN
Additional Comments:
W/D S/S BY BS EN 60849 * INCLUDES AMENDMNET 1
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Description / Abstract:

Characteristics and methods of test for emergency broadcast sound systems for indoor or outdoor. Includes environmental conditions, marking symbols, installation and safety requirements, and an automatic system for checking correct functioning.