目 录
1 范围··························································································…… (1)
2 引用文献····················································································…… (1)
3 概述·······································································。··················…… (1)
4 计量性能要求·····························································……’‘”””‘’‘””’‘(2)
4.1 测力·······················································································…… (2)
4.2 测杆受径向力引起的示值变化······················································…… (2)
4.3 重复性····················································································…… (2)
4.4 示值误差·················································································…… (2)
4.5 漂移·······················································································…… (2)
5 通用技术要求·········································································……‘”‘’(2)
5.1 外观······································。················································…… (2)
5.2 各部分相互作用·································································……品·… (3)
5.3 抗干扰性·················································································…… (3)
6 计量器具控制··············································································…… (3)
6.1 检定条件·················································································…… (3)
6.2 检定项目·......................................................................................(4)
6.3 检定方法·················································································…… (4)
6.4 检定结果的处理·······························································……‘·……‘(6)
6.5 检定周期·················································································…… (6)
附录A 测微仪示值误差检定计算实例 (量块和测微仪检定器组合法) (7)
附录B 示值误差测量结果不确定度 (激光测长装置法) (8)
附录C 示值误差测量结果不确定度 (量块和测微仪检定器组合法) (12)
附录D 检定证书和检定结果通知书内页格式 (18)
光栅式测微仪检定规程
1 范围
本规程适用于分辨力为0.01Km一IFtm，测量范围至l00mm的光栅式测微仪的首次
检定、后续检定和使用中检验。
2 引用文献
本规程引用下列文献:
JJF 1001-1998 通用计量术语及定义
JJF 1059-1999 测量不确定度评定与表示
JJF 1094-2002 测量仪器特性评定
JB/T10080.2-2000 光栅线位移传感器
使用本规程时，应注意使用上述引用文献的现行有效版本。
3 概述
光栅式测微仪 (以下简称测微仪)是以光栅副作为测量元件，将线位移量转换为光
电信号，经电路处理并以数字显示的一种长度精密测量仪器。
测微仪按其准确度等级分为5级。测微仪按其结构分整体式和分体式两类。整体式
测微仪的传感器与显示单元在一整体上，其结构示意见图1 (a)。分体式测微仪主要由
传感器 (含信号电缆)和数显表两部分组成，其结构示意图见图1 (b).
