Transcription of Application Note Volume and Surface Resistivity ...
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Volume and Surface Resistivity Measurementsof Insulating Materials Using the Model 6517 AElectrometer/High Resistance MeterIntroductionA fundamental property of insulators is Resistivity . Theresistivity may be used to determine the dielectric breakdown,dissipation factor, moisture content, mechanical continuity andother important properties of a material. The Volume resistivityof some insulators, such as sapphire and Teflon , can be as highas 1016 to 1018 ohm-cm. Because of such large magnitudes,measuring the Resistivity of insulators can be difficult unlessproper test methods and instrumentation are used. One testmethod often used for measuring Resistivity of insulators isASTM D-257, DC Resistance or Conductance of InsulatingMaterials.
Volume and Surface Resistivity Measurements of Insulating Materials Using the Model 6517A Electrometer/High Resistance Meter Introduction A fundamental property of insulators is resistivity.
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