1.1 本规程包括使用标准测试条件确定家用反渗透装置的运行特性。它不一定决定在自然水域上运行的设备的特性。 1.2 本规程适用于螺旋缠绕装置。 1.3 以国际单位制表示的值应视为标准值。SI单位后括号中给出的值仅供参考，不视为标准值。 1.4 本标准并不旨在解决与其使用相关的所有安全问题（如有）。 本标准的使用者有责任在使用前建立适当的安全、健康和环境实践，并确定监管限制的适用性。 1.5 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《国际标准、指南和建议制定原则决定》中确立的国际公认标准化原则制定的。 =====意义和用途====== 5.1 家用反渗透装置通常用于在使用时从饮用水中去除盐和其他杂质。它们通常在自来水管道压力下运行，水的总溶解固体含量高达每升几百毫克。本规程允许使用一组标准条件测量家用反渗透装置的性能，并用于短期测试（小于24小时）。本规程可用于确定家用反渗透装置在使用过程中的运行特性可能发生的变化，但不用于系统设计。 当存在氯化钠以外的溶质时，该实践不一定决定装置的性能。使用练习 第4516页 和测试方法 D4194年 以将实际现场数据标准化为一组标准条件。 5.2 本规程适用于螺旋缠绕装置。

1.1 This practice covers determination of the operating characteristics of home reverse osmosis devices using standard test conditions. It does not necessarily determine the characteristics of the devices operating on natural waters. 1.2 This practice is applicable for spiral-wound devices. 1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard. 1.4 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. 1.5 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 ====== 5.1 Home reverse osmosis devices are typically used to remove salts and other impurities from drinking water at the point of use. They are usually operated at tap water line pressure, with water containing up to several hundred milligrams per litre of total dissolved solids. This practice permits measurement of the performance of home reverse osmosis devices using a standard set of conditions and is intended for short-term testing (less than 24 h). This practice can be used to determine changes that may have occurred in the operating characteristics of home reverse osmosis devices during use, but it is not intended to be used for system design. This practice does not necessarily determine the device’s performance when solutes other than sodium chloride are present. Use Practice D4516 and Test Methods D4194 to standardize actual field data to a standard set of conditions. 5.2 This practice is applicable for spiral-wound devices.