交流1000V和直流1500V以下低压配电系统电气安全防护措施的试验、测量或监控设备 第12部分:性能测量和监控装置(PMD)
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 12: Performances measuring and monitoring devices (PMD)