描述
在计算机控制系统的现场往往有许多强电设备,它们在起动和生产过程中将产生干扰电磁场,另外还有来自空间传播的电磁波和雷电干扰,以及高压输电线周围交变磁场的影响等。干扰传播途径主要有:电场耦合、磁场耦合、公共阻抗耦合。
DENTAL PORTABLE MOBILE X- RAY MACHINE SYSTEM DIGITAL a4
Image Systems – X Ray Monitor model M21P-H5101 21″
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL 4
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL 3
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL 5
DENTAL PORTABLE MOBILE X – RAY MACHINE SYSTEM DIGITAL 6