GB/T 18216.8-2015
交流1000V和直流1500V以下低压配电系统电气安全 防护设施的试验、测量或监控设备 第8部份:IT系统中绝缘监控装置
Electrical safty 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 8:Insulation monitoring devices for IT systems
GBT18216.8-2015, GB18216.8-2015