本文件描述了反射器型灯和基于LED的灯的光度测试程序和报告指南，这些灯模仿了这种传统类型的灯。所述程序和指南的应用将提高实验室内的再现性，改善测量一致性，并促进实验室之间结果的比较。如本实验室方法所用，反射型灯是一种具有反射元件的灯，该反射元件旨在重定向来自发射元件（例如灯丝、电弧、LED）的光通量，以形成光的预期空间分布。例如，反射元件可能采用应用于灯泡的反射涂层的形式，或相对于发射元件定位并永久固定在此位置的反射器。此外，使用反射和折射元件创建预期空间分布的集成LED灯也在本文件的范围内。

This document describes photometric testing procedures and reporting guidelines for reflector type lamps and LED based lamps that mimic this traditional style of lamp. The application of the described procedures and guidelines will improve reproducibility within a laboratory, and will improve measurement agreement and facilitate comparison of results between laboratories. As used in this laboratory method, a reflector type lamp is a lamp having a reflective element(s) intended to redirect flux from the emitting element (e.g., filament, arc, LED) to form the intended spatial distribution of the light. For example, a reflective element might take the form of a reflective coating applied to the lamp bulb, or a reflector positioned relative to the emitting element and permanently affixed in this position. In addition, integrated LED lamps using reflective and refractive elements to create the intended spatial distribution are within the scope of this document.