IEC 61010-2-033:2019
测量、控制和实验室用电气设备的安全要求第2-033部分:家用和专业用手持式万用表和其他能够测量电网电压的仪表的特殊要求
Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-033: Particular requirements for hand-held multimeters and other meters for domestic and professional