Laboratory conditions, procedures and instrumentation for measurements on single general purpose luminaires and methods of measuring luminance and illuminance.Cross References:BS 89BS 354BS 667BS 1041BS 1853BS 2818BS 3900:Part D2BS 4533BS 4727:Part 4Replaces the requirements for photometric procedures in BS 3820:1964.Replaced by BS EN 13032-1:2004 but remains current. Incorporates the following:AMD 10519 published 15 August 1999