variation of meter error 仪表误差变化
electro meter error 电表误差
half-meter error 半米误差
error meter 误差测量计 ; 误差测量器
gear error meter 齿轮误差测量仪
gear meshing error meter 齿轮啮合误差测量仪
Pressure gauge error meter 压力表误差表
Error-rate meter 误码仪
error of water meter 水表误差
The invention discloses a device for detecting an electric energy meter error under a harmonic condition by adopting a watt-second method, and a detecting method.
本发明公开了一种采用瓦秒法检测谐波条件下电能表误差的装置及检测方法。
The invention can automatically record the test frequency and the corresponding electric energy meter error value and can obtain more complete and accurate test data.
本发明可自动记录试验频率和相对应的电能表误差值，且使试验数据更全面、准确。
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