《GBT-17612称重法》.pdf

ICS17-120.10 N 12 疡黔 中 华 人 民 共 和 国 国 家 标 准 Gs/T17612-1998 idtISO4185:1980 封闭管道中液体流量的测量 称 重 法 Measurementofliquidflowinclosedconduits -Weighingmethod 1998一12一11发布 1999一07一01实施 国家 质 量 技 术 监 督 局 发布 Gs/T 17612- 1998 目 次 前言 ·······································································“·”····································…… 1 ISO前言 ···············································”·····································”····”·············…… ” 1 总则 ····························。·····································”···········································”·… 1 1.1 应用范围和场合 ···························································································…… 1 1.2 引用标准 ···。······································································”·······················…… 1 1.3 定义 ···························1 1.4 单位 ··············································… …，·····················································…… 2 1.5 符号 ······································。······································“·······”···················…… 2 1.6 认证 ············“································…… “······“············································…… 2 2 原理 ························”······················.，·············”··········································…… 2 2.1 原理的说 明 ··························································································…… 2 2.2 称重法的精确度 ······················································································.·.·.…… 3 3 装置 3 3.1 换 向器 ·3 3.2 时间测量装置 ·································································价 ···