AS 1255.4-1974廢止
Methods of test for electrical characteristics of solid plastics insulating materials Determination of the permittivity and dielectric dissipation factor at power, audio and radio frequencies up to 300 MHz
出版：Standards Australia
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Gives geometry of solid specimens and form of electrodes applied to specimen, special requirements for edge effect, electrode materials, choice of electrodes. It details testing procedure, calculation of results, and information to be provided in the test report. Appendices cover types and limitations of apparatus, significance of dielectric properties, factors influencing dielectric measurements and choice of measuring methods.
IEC 60250 Ed. 1.0 - Equivalent
