IEC 62722-2-1:20 23 CMV包含官方标准及其注释版本。注释版本为您提供了一种快速简单的方法来比较IEC 62722-2-1:20 23版2.0和之前的IEC 62722-2-1:20 14版1.0之间的所有更改。此外，还提供了IEC SC 34D专家的意见，以解释最相关变更的原因，或澄清内容的任何部分。 IEC 62722-2-1:20 23规定了LED灯具的性能要求以及测试方法和条件。它适用于一般照明用途的LED灯具。半灯具不在本文件的范围内。这第二版取消并取代了2014年出版的第一版。本版构成技术修订版。与上一版相比，此版本包括以下重大技术变更:与IEC 62717:2014、IEC 62717:2014/AMD1:2015和IEC 62717:2014/AMD2:2019保持一致； 10.2和附录A中对维护试验温度要求的澄清； 引入新的附录C，介绍电学和光度学数据扩展参数的计算和测量方法。

IEC 62722-2-1:2023 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 62722-2-1:2023 edition 2.0 and the previous IEC 62722-2-1:2014 edition 1.0. Furthermore, comments from IEC SC 34D experts are provided to explain the reasons of the most relevant changes, or to clarify any part of the content.

IEC 62722-2-1:2023 specifies the performance requirements for LED luminaires, together with the test methods and conditions. It applies to LED luminaires for general lighting purposes. Semi-luminaires are not covered under the scope of this document. This second edition cancels and replaces the first edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:

1. alignment with IEC 62717:2014, IEC 62717:2014/AMD1:2015 and IEC 62717:2014/AMD2:2019;
2. clarification of temperature requirements for the maintenance test, in 10.2 and Annex A;
3. introduction of a new Annex C on methods for calculation and measurements of parameters for extension of electric and photometric data.