运行表明：该复费率载波电能表性能良好。

The operating practice indicates its good performance.

讨论机电式预付费电能表的误差计算、测定和调整方法。

This paper discusses the error of Mechanical-electronic prepayment meter, its calculation, testing and adjusting method.

新型高压电能表必须采用整体误差校验系统来定义准确度等级。

The accuracy grade of novel HVEM must be defined by integrated error calibration system.

数字式电能表是必备设备，应用越来越广泛，实现量值溯源是非常有必要的。

Digital watt-hour meter is the necessary equipment with increasingly wide application while it is necessary realization of quantity traceability.