Place four needle-shaped electrodes in a straight line on the sample, pass a constant current between the outer two probes, measure the potential difference that occurs between the inner two probes, and calculate the resistance.
Using the same principle as the four-terminal method (current-voltage method), four needle-like electrodes are placed in a straight line on the sample. A constant current is passed between the outer two probes, and the potential difference that arises between the inner two probes is measured to determine the resistance. Next, the calculated resistance is multiplied by the sample thickness and the correction factor RCF (Resistivity Correction Factor) to calculate the volume resistivity. Compared to the four-terminal method, there is no need to form electrodes on the sample.
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【Features】 ○ Place four needle-shaped electrodes in a straight line on the sample, with a constant current between the outer two probes. ○ Measure the potential difference between the inner two probes to determine the resistance. ○ Calculate the volume resistivity by multiplying the resistance by the sample thickness and a correction factor (RCF). ○ Unlike the four-terminal method, electrode formation on the sample is not necessary. ○ JIS K7194 ● For other functions and details, please contact us.
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At DJK, we respond to all customer needs swiftly and accurately under confidentiality. DJK engages in the following activities related to polymer materials and composite materials: 1. Synthesis, polymerization, and modification reactions 2. Compounding, molding, and sample processing 3. Material testing, physical property measurement, and analysis services 4. Technical consulting 5. Defective product failure analysis testing 6. Application and testing outsourcing for overseas standards (FDA/EPA, DMF, biodegradability certification, and others)