作废 JJG 2068-1990
金属表面洛氏硬度计量器具检定系统 金属表面洛氏硬度计量器具检定系统 Verification Scheme of Measuring Instruments for Metallic Superficial Rockwell Hardness
发布日期：
实施日期：
分类信息
发布单位或类别： 中国 国家计量检定规程
CCS分类： A53综合 - 计量 - 力学计量
ICS分类：
标准简介

本检定系统适用于表1所示15N，30N，45N，15T，30T，45T标尺金属表面洛氏硬度（以下简称为表洛硬度）计量器具的检定，规定了从国家基准、副基准通过标准向工作计量器具进行表洛硬度量值传递的程序、基本的检定方法和相应的不确定度

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检定计量器具金属表面系统洛氏硬度

最后更新时间 2025-08-28