ASTM D257絕緣材料直流電阻或電導(dǎo)標(biāo)準(zhǔn)試驗(yàn)方法
ASTM D257絕緣材料直流電阻或電導(dǎo)的標(biāo)準(zhǔn)試驗(yàn)方法—標(biāo)準(zhǔn)名稱
ASTM D257 Standard Test Methods for DC Resistance or Conductance of Insulating Materials
ASTM D257絕緣材料直流電阻或電導(dǎo)標(biāo)準(zhǔn)試驗(yàn)方法
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ASTM D257絕緣材料直流電阻或電導(dǎo)的標(biāo)準(zhǔn)試驗(yàn)方法—適用范圍
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
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ASTM D257絕緣材料直流電阻或電導(dǎo)的標(biāo)準(zhǔn)試驗(yàn)方法—引用文件
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ASTM D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
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ASTM D374 Test Methods for Thickness of Solid Electrical Insulation
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ASTM D1169 Test Method for Specific Resistance (Resistivity) of Electrical Insulating Liquids
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ASTM D1711 Terminology Relating to Electrical Insulation
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ASTM D4496 Test Method for D-C Resistance or Conductance of Moderately Conductive Materials
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ASTM D5032 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Glycerin Solutions
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ASTM D6054 Practice for Conditioning Electrical Insulating Materials for Testing
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ASTM E104 Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions
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出自GF2022