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
ASTM F1207M Standard Specification for Electrical Insulation Monitors for Monitoring Ground Resistance in Active Electrical Systems [Metric]
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）
This specification covers the requirements and testing procedures for five types of electrical insulation monitoring devices intended as permanently installed units that are used in the detection of ohmic insulation faults to ground in active AC ungrounded electrical systems. This specification
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