JJF（冀）172-2020
互感器综合特性测试仪校准规范
 Calibration Specification for Transformer Characteristic Testers
2020-04-16 发布
2020-05-31 实施
目录
1范围................................I
2引用文件..............................1
3术语................................I
3. 1互感器综合特性测试仪.....................I
3.2变比..............................I
3.3二次负荷............................1
4概述................................1
5计量特性..............................2
5.1相对误差............................2
5.2最大允许误差參考值.......................2
6校准条件..............................2
6.1环境条件............................2
6.2校准用标准设备.........................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............................4
8校准结果表达............................8
9复校时间间隔............................9
附录A互!®器综合特性测试仪电压示值测量结果不确定评定示例.....10
附录B校准原始记录格式.......................13
附录C校准证书内页格式.......................15