Volume resistivity and surface resistivity of insulators
Measure the electrical resistance using an insulation resistance meter between the circular electrodes, and determine the volume resistivity and surface resistivity from the electrode shape.
Double Ring Electrode Method (IEC60093, ASTM D257, JIS K6911, JIS K6271) Measurement of resistivity of insulators in the range of 10^8 to 10^16 Ω. The electrical resistance is measured using an insulation resistance meter between circular electrodes, and the volume resistivity and surface resistivity are calculated from the electrode geometry. Measurement method: Apply 500V between the electrodes and measure the resistance value after 1 minute.
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