Standard Test Method for Resistivity of Electrical Conductor Materials
NORM herausgegeben am 1.11.2020
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Designation standards: ASTM B193-20
Publication date standards: 1.11.2020
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Kategorie: Technische Normen ASTM
This test method covers the determination of the electrical resistivity of metallic electrical conductor material. Weight resistivity accuracy may be adversely affected by possible inaccuracies in the assumed density of the conductor. The definition of resistivity and the equations for calculating volume resistivity and weight resistivity are given. Resistance shall be measured using an apparatus with a circuit configuration and instrumentation that has a resistance measurement capability of the prescribed accuracy. The test specimen requirements and the test procedure including: (1) determination of dimensions (such as length and cross-section), weight, and density, and (2) resistance measurement are detailed. The formula for calculating the corrected resistance, when the measurement is made at any temperature other than a reference temperature, is given. No statement of precision has been made and no work has been planned to develop such a statement. This test method has no bias because the value for resistivity is determined solely in terms of this test method.
Keywords:
conductivity, electrical conductor materials, resistivity, resistivity of electrical conductor, volume resistivity, weight resistivity,, ICS Number Code 29.050 (Superconductivity and conducting materials)