ASTM B84 - 07(2013)

    Standard Test Method for Temperature-Resistance Constants of Alloy Wires for Precision Resistors

    Active Standard ASTM B84 | Developed by Subcommittee: B02.10

    Book of Standards Volume: 02.04


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    Significance and Use

    2.1 Procedure A covers the determination of the equation of the curve relating resistance and temperature where the curve approximates a parabola. This test method may be used for wire of any metal or alloy over the temperature interval appropriate to the material.

    2.2 Procedure B covers the determination of the mean temperature coefficient of resistance for wire of any metal or alloy over the temperature interval appropriate to the material.

    1. Scope

    1.1 This test method covers determination of the change of resistance with temperature of alloy wires used for resistance standards and precision resistors for electrical apparatus.

    1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.


    ICS Code

    ICS Number Code 29.050 (Superconductivity and conducting materials)

    UNSPSC Code

    UNSPSC Code 32121613(Wirewound resistor)


    DOI: 10.1520/B0084-07R13

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