GB 4793.2-2008
测量、控制和实验室用电气设备的安全要求.第2部分:电工测量和试验用手持和手操电流传感器的特殊要求
Safety requirements for eletrical equipment for measurement,control,and laboratory use.Part 2:Particular requirements for hand-held and hand-manipulated current sensors for electrical test and measurement