DIN VDE 0404-4-2005 检验电气装置安全性用测试和测量设备.第4部分:电气装置的防护性导体电流和接触电流的测量用手持式和手动式电流夹持装置/感应器
Testing and measuring equipment for testing the electrical safety of electrical devices - Part 4: Handheld and manually operated current clamps/sensors for measurement of protectives conductor currents and touch currents of electrical devices