标准摘要
[中文适用范围]： 本文件适用于冷水和热水水表的型式评价和初始验证试验。本文件可以按OIML认证系统的规定为冷水和热水水表签发OIML符合性证书，条件是：使用本文件、ISO 4064-1:2024[OIML R 49-1:2024以及ISO 4064-3:2024[OIML R 49-3:2024，根据系统的规则使用。本文件详细说明了用于水表型式评价和初始验证的试验方案、原则、设备和程序。本文件的规定还适用于辅助装置（如有必要时国家法规要求） [外文原描述]： This document is applicable to the type evaluation and initial verification testing of water meters for cold potable water and hot water as defined in ISO 4064-1:2024|OIML R 49‑1:2024. OIML Certificates of conformity can be issued for water meters under the scope of the OIML Certificate System, provided that this document, ISO 4064-1:2024|OIML R 49‑1:2024 and ISO 4064-3:2024|OIML R 49‑3:2024 are used in accordance with the rules of the system. This document sets out details of the test programme, principles, equipment and procedures to be used for the type evaluation, and initial verification of a meter type. The provisions of this document also apply to ancillary devices, if required by national regulations. The provisions include requirements for testing the complete water meter and for testing the measurement transducer (including the flow or volume sensor) and the calculator (including the indicating device) of a water meter as separate units.
英文名称Water meters for cold potable water and hot water — Part 2: Test methods