JJF（鄂）58-2019
电桥率定器校准规范
Calibration Specification for Bridge Calibrator
2019 —12—01 实施
2019— 11—06 发布
目 录
引言..................................................1
1 范围.....................................................1
2 引用文件................................................................1
3 术语...............................................1
3.1 残余电阻.........................................................1
3.2 电阻阳比...........................................................1
4 概述...............................................................1
5 计量特性...........................................2
5.1 电阻盘残余电阻........................................................2
5.2 电阻盘示值误差....................................................2
5.3 电阻比盘示值误差。............................................2
6 校准条件..........................................2
6.1 环境条件..............................................................2
6.2 测量标准及其他设备................................................2
7 校准项目和校准方法.....................................3
7.1 校准项目........................................................3
7.2 校准方法.........................................................3
8 校准结果表达.......................................................5
8.1 校准证书..........................................................5
9 复校时间间隔.....................................................6
附录A 电桥率定器电阻盘测量结果不确定度评定示例..............7
附录 B 电桥率定器电阻比盘测量结果不确定度评定示例...............11
附录C 电桥率定器校准原始记录格式.....................................16
附录 D 校准证书内页格式.................................................19