General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 3334-1999
Scope
This standard specifies the test method for cable paper dielectric loss tangent. This standard is applicable to test the dielectric loss tangent (tgδ) of power cable or other similar fiber insulating paper under industrial frequency.
GB/T 3334-1999 history
1999GB/T 3334-1999 Method of test for dissipation factor (tgδ) of cable paper at power frequence (Schering bridge method)