ASTM D257绝缘材料直流电阻或电导标准试验方法

ASTM D257绝缘材料直流电阻或电导的标准试验方法—标准名称

ASTM D257 Standard Test Methods for DC Resistance or Conductance of Insulating Materials

ASTM D257绝缘材料直流电阻或电导标准试验方法

ASTM D257绝缘材料直流电阻或电导的标准试验方法—适用范围

Scope:

These test methods cover direct-current procedures for the measurement of dc insulation resistance, volume resistance, and surface resistance. From such measurements and the geometric dimensions of specimen and electrodes, both volume and surface resistivity of electrical insulating materials can be calculated, as well as the corresponding conductances and conductivities

ASTM D257绝缘材料直流电阻或电导的标准试验方法—引用文件

ASTM D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation

ASTM D374 Test Methods for Thickness of Solid Electrical Insulation

ASTM D1169 Test Method for Specific Resistance (Resistivity) of Electrical Insulating Liquids

ASTM D1711 Terminology Relating to Electrical Insulation

ASTM D4496 Test Method for D-C Resistance or Conductance of Moderately Conductive Materials

ASTM D5032 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Glycerin Solutions

ASTM D6054 Practice for Conditioning Electrical Insulating Materials for Testing

ASTM E104 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions

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出自GF2022