To enhance the quality of manufacturing as responsibility, build national brand of measurement!
To enhance the quality of manufacturing as responsibility, build national brand of measurement!
WT3000样本资料中非常明确的指出，开启滤波会影响测量准确度。
当功率因数较高时，滤波的影响可能可以接受，当功率因数较低时，滤波器的开启可能导致功率测量误差大幅增加！慎用！（有时又不得不用！）
China's leading enterprise in variable frequency power measurement and metering
National variable frequency power measuring instrument (metering station) founder
Research and development unit of national variable frequency power metering standard