• BS 5445-7:1984

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Components of automatic fire detection systems Specification for point-type smoke detectors using scattered light, transmitted light or ionization

    Available format(s):  Hardcopy, PDF

    Superseded date:  01-06-2003

    Language(s):  English

    Published date:  31-05-1984

    Publisher:  British Standards Institution

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

    National foreword
    Cooperating organizations
    Brief history
    1. Object and field of application
    2. Methods of test and test schedules
    3. General requirements
    4. Response threshold value
    5. Switch-on
    6. Repeatability
    7. Directional dependence
    8. Reproducibility
    9. Variation of supply voltage
    10. Air movement
    11. High ambient temperature
    12. Ambient light
    13. Vibration
    14. Humidity
    15. Shock
    16. Impact
    17. Corrosion
    18. Insulation resistance
    19. Dielectric shock
    20. Low ambient temperature
    21. Fire sensitivity
    Annexes
    A. Test schedule
    B. Measurement of the response threshold values in
        the wind tunnel
    C. Switch on test
    D. Repeatability test
    E. Test for directional dependence
    F. Reproducibility test
    G. Variations of supply voltage test
    H. Test for sensitivity to air movement
    J. High ambient temperature test
    K. Sensitivity to ambient light test
    L. Vibration test
    M. Humidity test
    N. Shock test
    O. Impact test
    P. Corrosion test
    Q. Insulation resistance test
    R. Dielectric strength test
    S. Low ambient temperature test
    Table
    1. Test schedule for smoke detectors
    Figures
    1. Arrangement of smoke detector and test apparatus
        in the wind tunnel
    2. Ionization measuring chamber: method of operation
    3. Ionization measuring chamber: construction
    4. Ionization measuring chamber: current-voltage
        characteristic
    5. Operating circuit
    6. Dazzling apparatus
    7. Shock test apparatus
    8. Impact apparatus
    9. Corrosion test apparatus (10 litre)
    National particularity
    National appendices

    Abstract - (Show below) - (Hide below)

    Requirements, test methods and performance criteria for re-settable smoke detectors.

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

    Committee FSH/12
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    BS 5445-8:1984 Components of automatic fire detection systems Specification for high temperature heat detectors
    BS 6266:1982 Code of practice for fire protection for electronic data processing installations
    BS 5839-1:1988 Fire detection and alarm systems for buildings Code of practice for system design, installation and servicing
    02/540552 DC : DRAFT JUN 2002 BS 5446-2 - FIRE DETECTION AND FIRE ALARM DEVICES FOR DWELLINGS - PART 2: SPECIFICATION FOR HEAT ALARMS
    PD 6531:1997 Queries and interpretations on BS 5839:Parts 1 and 4 (as amended)
    BS 5588-9:1999 Fire precautions in the design, construction and use of buildings Code of practice for ventilation and air conditioning ductwork
    BS 5908:1990 Code of practice for fire precautions in the chemical and allied industries
    BS 6266:1992 Code of practice for fire protection for electronic data processing installations
    BS 5446-1:2000 Fire detection and fire alarm devices for dwellings Specification for smoke alarms
    BS 5839-4:1988 Fire detection and alarm systems for buildings Specification for control and indicating equipment
    BS 5446-1:1977 Specification for components of automatic fire alarm systems for residential premises. Point-type smoke detectors
    BS 5588-9:1989 Fire precautions in the design, construction and use of buildings Code of practice for ventilation and air conditioning ductwork
    BS 5908:1980 Code of practice for fire precautions in chemical plant
    BS 5839-6:1995 Fire detection and alarm systems for buildings Code of practice for the design and installation of fire detection and alarm systems in dwellings

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

    BS 5839-1:1988 Fire detection and alarm systems for buildings Code of practice for system design, installation and servicing
    BS 5445-9:1984 Components of automatic fire detection systems Methods of test of sensitivity to fire
    BS 5445-8:1984 Components of automatic fire detection systems Specification for high temperature heat detectors
    BS 5445-5:1977 Components of automatic fire detection systems Heat sensitive detectors - point detectors containing a static element
    BS 5445-1:1977 Components of automatic fire detection systems Introduction
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