石油和液体石油产品　罐内密度直接 测量　谐振筒密度计法 Petroleum and liquid petroleum products—Direct measurement of density in tanks—Resonance cylinder densitometer methods  ICS  75.180.30 CCS  E 30   中华人民共和国国家标准 GB/T 45373—2025 2025-02-2 8发布 2025-09-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     原理   ··································································································   3 5     保障措施   ······························································································   3      5.1     安全保障   ·························································································   3      5.2     准确度保障   ······················································································   4 6     便携式电子密度计（PED）   ··········································································   5      6.1     通用要求   ·························································································   5      6.2     准确度和分辨力   ·················································································   5      6.3     PED的选用   ······················································································   6 7     油罐自动密度计（ATD）   ············································································   8      7.1     通则   ······························································································   8      7.2     准确度   ···························································································   8      7.3     设备选型   ·························································································   9      7.4     安装与使用   ·····················································································   10      7.5     校准和现场检验   ················································································   11      7.6     数据传输   ························································································   13 8     测量方法   ····························································································   13      8.1     通用要求   ························································································   13      8.2     立式罐   ··························································································   13      8.3     卧式圆筒罐   ·····················································································   14      8.4     铁路罐车和汽车罐车   ···········································································   14      8.5     油船舱   ··························································································   14 9     读数、计算与报告   ···················································································   14 参考文献   ································································································   16 GB/T 45373—2025     Ⅰ