济 南 计 量 测 试 学 会 发布 加氢站用氢气卸气柱校准方法 Specification for calibration of hydrogen discharge column for hydrogenation station T/JNM 济南计量测试学会团体标准 T/JNM -0004 -2024 ICS 17.020 M 7453 2024 -08-30 发布 2024 -08-31 实施 （发布稿） 全国团体标准信息平台 全国团体标准信息平台 T/JNM-0004 -2024 目 录 前言 ................................ ................................ ................................ ................................ ................................ .... I 1 范围 ................................ ................................ ................................ ................................ ............................... 1 2 引用文件 ................................ ................................ ................................ ................................ ....................... 1 3 概述 ................................ ................................ ................................ ................................ ............................... 1 4 计量特性要求 ................................ ................................ ................................ ................................ ............... 1 4.1流量示值误差 ................................ ................................ ................................ ................................ ........ 1 4.2流量重复性 ................................ ................................ ................................ ................................ ............ 1 5 校准条件 ................................ ................................ ................................ ................................ ....................... 1 5.1 环境条件 ................................ ................................ ................................ ................................ ............... 1 5.2 校准用标准器 ................................ ................................ ................................ ................................ ....... 1 5.3 校准介质 ................................ ................................ ................................ ................................ ............... 1 6 校准项目和校准方法 ................................ ................................ ................................ ................................ ... 2 6.1 校准前准备 ................................ ................................ ................................ ................................ ........... 2 6.2 流量示值误差 ................................ ................................ ................................ ................................ ....... 2 6.3 流量重复性 ................................ ................................ ................................ ................................ ........... 2 7 校准结果表达 ................................ ................................ ................................ ................................ ............. 2 8 复校时间间隔 ................................ ................................ ................................ ................................ ............. 3 附录 A(资料性附录 )加氢站用氢气卸气柱测量结果的不确定度评定示例 ................................ ................. 4 全国团体标准信息平台 全国团体标准信息平台