现行 JJF 2012-2022
超声波燃气表型式评价大纲 超声波燃气表型式评价大纲 Program of Pattern Evaluation of Ultrasonic Gas Meters
发布日期:2022-12-27
实施日期:2023-06-27
分类信息
研制信息

归口单位: 全国流量计量技术委员会

起草单位: 北京市计量检测科学研究院、 浙江省计量科学研究院、 重庆市计量质量检测研究院

起草人: 杨有涛、 金岚、 夏杰

标准简介

本大纲适用于分类编码为12220000 、最大工作压力不超过50 kPa 、最大流量不超过25m3/h 、以时间差法为测量原理的封闭管道用的超声波燃气表的型式评价

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最后更新时间 2025-09-02