ASTM F1207M监测有源电气系统接地电阻用电绝缘监测器的规格(米制）
日期:2012-02-08 12:09
nd application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
1.1 This specification covers electrical insulation monitoring devices, intended as permanently installed units, for use in the detection of ohmic insulation faults to ground in active, ac ungrounded electrical systems.
1.2 Limitations - This specification does not cover devices which are not intended for operation for: d
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