BS 5225-1 1975 Edition, July 31, 1975
Amd. 1 Specification for Photometric Data for Luminaires - Part 1: Photometric Measurements
Includes all amendments and changes through Reaffirmation Notice , August 2006
Additional Comments: W/D S/S BY BS EN 13032-1 * INCLUDES AMD 1
Published By:British Standards Institution (BSI)
Laboratory conditions, procedures and instrumentation for measurements on single general purpose luminaires and methods of measuring luminance and illuminance.