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JJG（冀）3010-2020
热式燃气表
Thermal Gas Meters
2020-03-26发布
2020-04-30 实施 目 录 引 言 .......................................................................................................................... 1 1 范围 ...........................................................................................................................1 2 引用文件 ...................................................................................................................1 3 术语和计量单位 .......................................................................................................1 3.1 术语 ........................................................................................................................1 3.2 计量单位 ................................................................................................................2 4 概述 ...........................................................................................................................2 4.1 原理 ........................................................................................................................2 4.2 结构 ........................................................................................................................3 4.3 用途 ........................................................................................................................3 5 计量性能要求 ...........................................................................................................3 6 通用技术要求 ...........................................................................................................3 6.1 外观与标识 ............................................................................................................3 6.2 指示装置 ................................................................................................................4 6.3 流量范围和零流量 ................................................................................................5 6.4 密封性 ....................................................................................................................6 6.5 压力损失 ................................................................................................................6 6.6 提示功能 ................................................................................................................6 6.7 附加功能 ................................................................................................................6 6.8 防爆性能 ................................................................................................................6 7 计量器具控制 ...........................................................................................................6 7.1 检定条件 ................................................................................................................6 7.2 检定项目 ................................................................................................................7 7.3 检定方法 ................................................................................................................8 7.4 检定结果的处理 .................................................................................................. 11 7.5 检定周期 .............................................................................................................. 11 附录 A..........................................................................................................................12 附录 B..........................................................................................................................13
JJG（冀）3010-2020
热式燃气表
Thermal Gas Meters
2020-03-26发布
2020-04-30 实施 目 录 引 言 .......................................................................................................................... 1 1 范围 ...........................................................................................................................1 2 引用文件 ...................................................................................................................1 3 术语和计量单位 .......................................................................................................1 3.1 术语 ........................................................................................................................1 3.2 计量单位 ................................................................................................................2 4 概述 ...........................................................................................................................2 4.1 原理 ........................................................................................................................2 4.2 结构 ........................................................................................................................3 4.3 用途 ........................................................................................................................3 5 计量性能要求 ...........................................................................................................3 6 通用技术要求 ...........................................................................................................3 6.1 外观与标识 ............................................................................................................3 6.2 指示装置 ................................................................................................................4 6.3 流量范围和零流量 ................................................................................................5 6.4 密封性 ....................................................................................................................6 6.5 压力损失 ................................................................................................................6 6.6 提示功能 ................................................................................................................6 6.7 附加功能 ................................................................................................................6 6.8 防爆性能 ................................................................................................................6 7 计量器具控制 ...........................................................................................................6 7.1 检定条件 ................................................................................................................6 7.2 检定项目 ................................................................................................................7 7.3 检定方法 ................................................................................................................8 7.4 检定结果的处理 .................................................................................................. 11 7.5 检定周期 .............................................................................................................. 11 附录 A..........................................................................................................................12 附录 B..........................................................................................................................13
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