CSA C22.2 NO 60601-2-47-03-2007 医疗电气设备-第2-47部分:不固定的心电图监测系统安全的特殊要求及基本性能.第1版
Medical electrical equipment ?Part 2-47: Particular requirements for the safety, including essential performance, of ambulatory electrocardiographic systems First edition
This part of IEC 60745 deals with the safety of hand-held motor-operated or magnetically
driven electric tools, the rated voltage of the tools being not more than 250 V for single-phase
a.c. or d.c. tools, and 440 V for three-phase a.c. tools.