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  • BS 7443:1991

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Specification for sound systems for emergency purposes

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-06-1998

    Language(s):  English

    Published date:  28-06-1991

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Committees responsible
    Foreword
    1. Scope
    2. Object
    3. References to relevant international standards
    3.1 IEC Publications
    4. Explanation of terms
    4.1 Electrical supervision
    4.2 Area of coverage
    4.3 Paging zone
    4.4 Information
    4.5 Audible information
    4.6 Intelligible information
    4.7 Danger and warning signals
    4.8 Alarm
    4.9 Warning
    4.10 Danger
    4.11 Emergency
    5. General requirements
    5.1 System requirements
    5.2 Units
    5.3 Marking and symbols for marking
    5.4 Environmental conditions
    5.5 Interference
    5.6 Safety requirements
    5.7 Electrical matching values
    6. System requirements
    6.1 General
    6.2 Microphones
    6.3 Overall system requirements
    6.4 Power supply
    6.5 Monitoring facilities
    6.6 Automatic priority switch
    7. Installation requirements
    8. System operation
    8.1 Instructions for operation
    8.2 Records
    8.3 Maintenance
    Figures
    1. Schematic representation of a sound system for
          emergency purposes
    2. Microphone frequency response, tolerance field

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee EPL/100
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 6259:1997 Code of practice for the design, planning, installation, testing and maintenance of sound systems
    BS 7827:1996 Code of practice for designing, specifying, maintaining and operating emergency sound systems at sports venues
    PD 6531:1997 Queries and interpretations on BS 5839:Parts 1 and 4 (as amended)
    BS 7807:1995 Code of practice for design, installation and servicing of integrated systems incorporating fire detection and alarm systems and/or other security systems for buildings other than dwellings

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60073:2002 Basic and safety principles for man-machine interface, marking and identification - Coding principles for indicators and actuators
    BS 5839-1:1988 Fire detection and alarm systems for buildings Code of practice for system design, installation and servicing
    BS 6840-4:1987 Sound system equipment Methods for specifying and measuring the characteristics of microphones
    BS 6667-3:1985 Electromagnetic compatibility for industrial-process measurement and control equipment Method of evaluating susceptibility to radiated electromagnetic energy
    BS 6840-16:1989 Sound system equipment Guide to the \'RASTI\' method for the objective rating of speech intelligibility in auditoria
    IEC 60268-16:2011 Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index
    IEC 60268-15:1996 Sound system equipment - Part 15: Preferred matching values for the interconnection of sound system components.
    BS 6840-15:1988 Sound system equipment Specification for matching values for the interconnection of sound system components
    BS 5839-4:1988 Fire detection and alarm systems for buildings Specification for control and indicating equipment
    IEC 60801-3:1984 Electromagnetic compatibility for industrial-process measurement and control equipment - Part 3: Radiated electromagnetic field requirements
    IEC 60268-4:2014 Sound system equipment - Part 4: Microphones
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