EN 61326-2-4:2006 测量 控制和实验室使用的电气设备“EMC 要求”第 2-4 部分：特殊要求“测试配置 根据 IEC 61557-8 和 f 的绝缘监测设备的操作条件和性能标准
Electrical equipment for measurement@ control and laboratory use — EMC requirements — Part 2-4: Particular requirements — Test configurations@ operational conditions and performance criteria for insulation monitoring devices according to IEC 61557-8 and f