现行 JJG 2039-1989
高准确度测量活度及光子发射率计量器具检定系统表 高准确度测量活度及光子发射率计量器具检定系统表 Verification Scheme of Measuring Instruments for High Accuracy Measurements of Activity and Photon Emission Rate
发布日期：1989-09-11
实施日期：1990-07-01
分类信息
发布单位或类别： 中国 国家计量检定规程
CCS分类： A60综合 - 计量 - 光学计量
ICS分类： 17.180计量学和测量、物理现象 - 光学和光学测量
研制信息

起草单位： 中国计量科学研究院

起草人： 于凤翘

标准简介

本检定系统适用于高精确度活度及光子发射率计量器具在1×10（2）~4×10（6）s（-1)范围的检定。它规定了活度单位（Bq）国家基准的用途。借助于工作基准、标准向工作计量器具传递活度及光子发射率单位量值的程序，并指明其不确定度和检定方法

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准确度检定光子发射测量

最后更新时间 2025-08-28