JJF（冀）133-2017
多功能电力仪表校准规范
Calibration Specification for Multi-function electric instrument
2017-06-01 实施
2017-03-20发布
目录
引言.......................................................1
1 范围.................................................................1
2 引用文件.........................................1
3 概述.............................................................1
4 计量特性。.........................................................1
4.1电压、电流、功率、功率因数（相位）....................2
4.2谐波电压、谐波电流...........................................2
4.3短时因变值....................................2
4.4电气安全性能................................................2
5校准条件...........................................................3
5.1环境条件..........................................................3
5.2 测量标准及其他设备...............................................3
6 校准项目和校准方法...................................................4
6.1校准前检查.............................................4
6.2交流电压 ..............................................4
6.3交流电流............................................................5
6.4交流功率.............................................................6
6.5频率...................................................10
6.6功率因数（相位）...................................................10
6.7谐波电压...........................................................11
6.8谐波电流。......................................................12
6.9闪变.....................................................14
6.10电气安全性能试验..................................15
7 校准结果表达...............................................15
8 复校时间间隔...........................................................16
附录A 多功能电力仪表测量结果不确定度评定 ...............................17
附录B 校准原始记录格式....................................19
附录C校准证书内页格式（第2页）........................................21
附录D 校准证书校准结果页格式（第3 页）.................................22