标准摘要
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 9: Equipment for insulation fault location in IT systems
英文名称This Test Report Form applies to: IEC 61557-9:2014 for use in conjunction with IEC 61557-1:2007