This document stipulates the classification, general requirements, technical requirements and test methods of working photometric standard lamps (hereinafter referred to as "standard lamps" or "lamps" without causing misunderstanding), and provides common types of incandescent lamps and Informative information on tungsten halogen lamp working photometric standard lamps. This document applies to incandescent lamps, tungsten halogen lamps and LED standard lamps used as standard light sources when measuring luminous flux. If necessary, you can also refer to this document for other types of standard lamps.
GB/T 15040-2021 Referenced Document
GB 14196.1 Incandescent lamps.Safety specifications.Part 1:Tungsten filament lamps for domestic and similar general lighting purposes