1.1 本试验方法涵盖了环境控制动态嵌装玻璃（如热致变色（TC）热致变色、光致变色嵌装玻璃）的加速老化和随时间变化的性能监测。及其组合。 1.2 本试验方法仅适用于环境控制动态嵌装玻璃。这些嵌装玻璃可以是单片玻璃、单片夹层玻璃或制造用于建筑物的密封中空玻璃单元，例如外墙、窗户、天窗和墙壁系统。 1.3 在使用过程中，根据该方法测试的环境控制动态嵌装玻璃暴露在环境条件下，包括太阳辐射，并用于通过吸收和反射控制透射辐射量，从而限制透射到建筑物中的太阳辐射量。 1.4 本试验方法不适用于电控显色装置，如电致变色装置。 1.5 本试验方法不适用于由玻璃以外的超高速或基材制成的环境控制动态嵌装玻璃。 1.6 本文引用的试验方法是在规定条件下进行的实验室试验。 1.7 以国际单位制表示的数值应视为标准值。本标准不包括其他计量单位。 1.8 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.9 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。 ====意义和用途====== 4.1 ECDG在建筑围护结构中执行许多重要功能，包括:减少太阳能热增益；提供与外部世界的可变视觉连接；提高人体舒适度（热量增益）、安全性、照明和眩光控制；提供建筑表现，并（可能）提高声学性能。因此，了解这些嵌装玻璃的相对适用性很重要。 4.2 本试验方法旨在提供一种评估ECDG相对可用性的方法，如第节所述 1. . 4.3 该试验方法旨在模拟在役使用并加速环境控制动态嵌装玻璃的老化。 4.4 这些测试的结果不能用于预测在役机组随时间的性能，除非实际对应于- 已经进行了使用测试，并进行了适当的分析，以表明如何通过加速老化测试预测性能。 4.5 本试验方法中的程序包括标准组织在耐候性试验中通常使用的环境试验参数，并且对于大面积ECDG装置的预期用途是现实的。

1.1 This test method covers the accelerated aging and monitoring of the time-dependent performance of environmentally controlled dynamic glazings such as thermochromic (TC) thermotropic, photochromic glazings. and combinations thereof. 1.2 The test method is applicable only for environmentally controlled dynamic glazings. These glazings may be either monolithic glass, monolithic laminated glass, or sealed insulating glass units fabricated for use in buildings, such as exterior doors, windows, skylights, and wall systems. 1.3 During use, the environmentally controlled dynamic glazings tested according to this method are exposed to environmental conditions, including solar radiation and are employed to control the amount of transmitted radiation by absorption and reflection and thus, limit the amount of solar radiation that is transmitted into a building. 1.4 The test method is not applicable to electronically controlled chromogenic devices, such as electrochromic devices. 1.5 The test method is not applicable to environmentally controlled dynamic glazings that are constructed from superstrate or substrate materials other than glass. 1.6 The test method referenced herein is a laboratory test conducted under specified conditions. 1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.9 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. ====== Significance And Use ====== 4.1 ECDG perform a number of important functions in a building envelope including: reducing the solar energy heat gain; providing a variable visual connection with the outside world; enhancing human comfort (heat gain), security, illumination, and glare control; providing for architectural expression, and (possibly) improving acoustical performance. It is therefore important to understand the relative serviceability of these glazings. 4.2 This test method is intended to provide a means for assessing the relative serviceability of ECDGs, as described in Section 1 . 4.3 The test method is intended to simulate in-service use and accelerate aging of the environmentally controlled dynamic glazings. 4.4 Results from these tests cannot be used to predict the performance over time of in-service units unless actual corresponding in-service tests have been conducted and appropriate analyses have been conducted to show how performance can be predicted from the accelerated aging tests. 4.5 The procedure in this test method includes environmental test parameters that are typically used in weatherability tests by standards organizations and are realistic for the intended use of large-area ECDG units.