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  • BS 5225-1:1975

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Photometric data for luminaires Photometric measurements

    Available format(s):  Hardcopy, PDF

    Superseded date:  28-01-2005

    Language(s):  English

    Published date:  15-08-1999

    Publisher:  British Standards Institution

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

    Co-operating organizations
    Foreword
    Section one. General
    1. Scope
    2. References
    3. Definitions
    4. Units and terminology
    5. Photometric centre
    6. Cut-off angle reference points (lamps)
    7. Co-ordinate systems for luminaires
    Section two. Laboratory conditions and procedure
    8. General
    9. Laboratory measurements
    10. Laboratory facilities
    11. Status of measurements
    12. Electric power supply and indicating instruments
    13. Temperature control and indicating instruments
    14. Photocells and associated apparatus
    15. Selection of luminaires for test
    16. Selection of ballasts for use with luminaires under
          test
    17. Selection of ballasts for bare lamp measurements
    18. Selection and preparation of lamps for use with
          luminaires under test
    19. Operation and handling of lamps
    20. Standard measuring conditions for luminaires
    21. Standard measuring conditions for bare lamps
    22. Stabilization
    23. Measuring procedures
    24. Reporting of measurements
    Section three. Goniophotometers
    25. General
    26. Purpose of goniophotometer
    27. Construction
    28. Optical path length
    29. General requirements
    30. Requirements for mirrors
    31. Screening against stray light
    32. Checking the goniophotometer
    33. Selection of lamps, ballasts, luminaires
    34. Mounting of the luminaire
    35. Mounting of the bare lamp
    36. Measuring conditions
    37. Measurement of luminaire
    38. Measurement of bare lamp
    39. Reporting of measurements
    Section four. Photometric integrators for luminaires
    40. General
    41. Purpose of photometric integrators
    42. Construction
    43. Reflecting surfaces
    44. Components inside an integrator
    45. Air temperature measurements
    46. The test-patch
    47. Photocells and associated apparatus
    48. Direct light screen
    49. Auxiliary lamp
    50. Checking the integrator
    51. Selection of lamps, ballasts, luminaires
    52. Mounting the luminaire
    53. Mounting the bare lamp
    54. Measuring conditions
    55. Measuring procedure for light output ratio (LOR)
    56. Reporting of measurements
    Section five. Photometric factors
    57. General
    58. Measurement correction factors
    59. Service correction factors
    60. Ballast lumen factor (BLF)
    Section six. Luminance measurements
    61. General
    62. Types of luminance measurements
    63. Measuring apparatus
    64. Selection of lamps, ballasts, luminaires
    65. Average luminance: measuring procedure
    66. Patch luminance: measuring procedure
    67. Patch Luminance: alternative measuring procedure
    68. Reporting of luminance measurements
    69. Determination of cut-off angle
    Section seven. Illuminance measurements (single luminaire)
    70. General
    71. Measuring apparatus
    72. Selection of lamps, ballasts, luminaires
    73. Measuring procedure
    74. Calibration of measurements
    75. Reporting of measurements
    Appendices
    A. Light output ratio for luminaires
    B. Calibration of measurements
    C. Check of photocell linearity
    D. Check of photocell spectral response
    E. Standard mounting boards
    F. Commissioning of goniophotometers
    G. Selection of type of goniophotometer
    H. Initial checking of integrators
    J. Amalgam lamps
    K. Correction calculation for lamps whose luminous flux
         is specified for temperatures other than 25 degrees C
    Tables
    1. Determination of LOR of a luminaire
    2. Features of goniophotometer types
         Bibliography
    Figures
    1. Photometric centre of a luminaire
    2. Co-ordinate system for luminaires
    3. Types of goniophotometer
    4. Alignment projector for goniophotometer
    5. Photometric integrator: schematic layout
    6. Projected width of luminaires: examples

    Abstract - (Show below) - (Hide below)

    Laboratory conditions, procedures and instrumentation for measurements on single general purpose luminaires and methods of measuring luminance and illuminance.

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

    Committee EL/1
    Development Note Supersedes 73/26052 DC, 98/202854 DC and BS 398(1948). (05/2005) Reviewed and confirmed by BSI, August 2006. (07/2006)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    PD 6686:2006 Guidance on directives, regulations and standards related to prevention of fire and explosion in the process industries
    BS 3224-1:1988 Lighting fittings for civil land aerodromes Specification for lighting units for use in precision approach path indicator systems
    BS 4533-103.1(1981) : 1981 LUMINAIRES - PERFORMANCE REQUIREMENTS - SPECIFICATION FOR LIGHT DISTRIBUTION FROM ROAD-LIGHTING LANTERNS
    BS 3143-1:1985 Road danger lamps Specification for kerosine burning lamps
    BS 5489-2:1992 Road lighting Code of practice for lighting for traffic routes
    BS 5489-2:1987 Road lighting Code of practice for lighting for traffic routes
    BS 8206-1:1985 Lighting for buildings Code of practice for artificial lighting
    BS 3143-4:1985 Road danger lamps Specification for high intensity battery operated beacons
    BS 3224-6:1988 Lighting fittings for civil land aerodromes Specification for obstacle lighting units
    BS 873-7:1984 Road traffic signs and internally illuminated bollards Specification for posts and fittings
    BS 5489-5:1992 Road lighting Code of practice for lighting for grade-separated junctions
    BS 873-2:1984 Road traffic signs and internally illuminated bollards Specification for miscellaneous signs
    BS 5489-7:1990 Road lighting Code of practice for the lighting of tunnels and underpasses
    BS 354:1995 Recommendations for photometric integrators
    BS 5489-6:1992 Road lighting Code of practice for lighting for bridges and elevated roads
    BS 5489-5:1989 Road lighting Code of practice for lighting for grade-separated junctions
    BS 5489-3:1992 Road lighting Code of practice for lighting for subsidiary roads and associated pedestrian areas
    BS 3143-2:1990 Road danger lamps Specification for low-intensity battery-operated lamps
    BS 5489-9:1996 Road lighting Code of practice for lighting for urban centres and public amenity areas
    BS 5489-7:1992 Road lighting Code of practice for the lighting of tunnels and underpasses
    BS 5489-10:1992 Road lighting Code of practice for lighting for motorways
    BS 873-1:1983 Road traffic signs and internally illuminated bollards Methods of test
    BS 5489-9:1992 Road lighting Code of practice for lighting for urban centres and public amenity areas
    BS 873-3:1980 Road traffic signs and internally illuminated bollards Specification for internally illuminated bollards
    BS 5489-6:1990 Road lighting Code of practice for lighting for bridges and elevated roads
    BS 5489-9:1990 Road lighting Code of practice for lighting for urban centres and public amenity areas
    BS 5489-3:1989 Road lighting Code of practice for lighting for subsidiary roads and associated pedestrian areas
    BS 5225-3:1982 Photometric data for luminaires Method of photometric measurement of battery-operated emergency lighting luminaires
    BS 5489-10:1990 Road lighting Code of practice for lighting for motorways
    BS 4533-103.2:1986 Luminaires. Performance requirements Specification for photometric characteristics of luminaires for hospitals and health care buildings
    BS 5972:1980 Specification for photoelectric control units for road lighting
    06/30036109 DC : DRAFT APR 2006 BS 8442 - MISCELLANEOUS ROAD TRAFFIC SIGNS AND DEVICES - REQUIREMENTS AND TEST METHODS

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

    BS 667:2005 Illuminance meters. Requirements and test methods
    BS 354:1995 Recommendations for photometric integrators
    BS 4727-5:GRP01(1985) : 1985 GLOSSARY OF ELECTROTECHNICAL POWER TELECOMMUNICATION ELECTRONICS LIGHTING & COLOUR TERMS - TERMS PARTICULAR TO ELECTROMEDICAL EQUIPMENT RADIOLOGY & RADIOLOGICAL PHYSICS TERMINOLOGY
    BS 2818-2:1985 Ballasts for tubular fluorescent lamps Specification for ballasts for use with lamps used in the UK not included in BS 1853 \'Tubular fluorescent lamps for general lighting service\' Part 1 \'Specification for internationally specified lamps\'
    BS 3900-D2:1967 Methods of test for paints. Gloss (specular reflection value)
    BS 1853-2:1995 Tubular fluorescent lamps for general lighting service Specification for lamps used in the United Kingdom not included in BS EN 60081, BS EN 60901, BS EN 61195 and BS EN 61199
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