2020 yd2333云顶电子游戏官网升级中!现在您访问yd2333云顶电子游戏官网的浏览器设备分辨率宽度低于1280px请使用高分辨率宽度访问。
the power frequency magnetic field is generated by the power frequency current in the conductor, or a very small amount of it is generated by other accessories (such as the leakage flux of the transformer). power frequency magnetic field may affect the reliable operation of equipment and system. the power frequency magnetic field generator is used to evaluate the performance of household, commercial and industrial electrical and electronic equipment in power frequency (continuous and short-time) magnetic field. the products meet the requirements of new standards such as iec61000-4-8 and gb/t17626.8.