BS 5225-1:1975
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Photometric data for luminaires Photometric measurements
Hardcopy , PDF
28-01-2005
English
15-08-1999
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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
Laboratory conditions, procedures and instrumentation for measurements on single general purpose luminaires and methods of measuring luminance and illuminance.
| Committee |
EL/1
|
| DevelopmentNote |
Supersedes 73/26052 DC, 98/202854 DC and BS 398(1948). (05/2005) Reviewed and confirmed by BSI, August 2006. (07/2006)
|
| DocumentType |
Standard
|
| Pages |
46
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| 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 |
| 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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