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    ASTM B497-00(2012)

    Standard Guide for Measuring Voltage Drop on Closed Arcing Contacts (Withdrawn 2017)

    Withdrawn Standard: ASTM B497-00(2012) | Developed by Subcommittee: B02.11


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    Withdrawn Rationale:

    This guide describes recommended procedures to accurately measure voltage drop across current carrying contacts and the parameters to be documented in order to effectively record the results. Such contacts normally carry current greater than 1 amp. The applicability of these procedures to contacts carrying smaller currents should be evaluated prior to application to such devices. Contacts carrying small current may also be evaluated using Test Method B539 to measure contact resistance.

    Formerly under the jurisdiction of Committee B02 on Nonferrous Metals and Alloys, this guide was withdrawn in November 2017. This standard is being withdrawn without replacement because it is no longer needed with modern instrumentation and measurement practices.

    1. Scope

    1.1 This guide describes recommended procedures to accurately measure voltage drop across current carrying contacts and the parameters to be documented in order to effectively record the results. Such contacts normally carry current greater than 1 amp. The applicability of these procedures to contacts carrying smaller currents should be evaluated prior to application to such devices. Contacts carrying small current may also be evaluated using Test Method B539 to measure contact resistance.

    1.2 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. For specific precautionary statements, see Section 6.



    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    B539 Test Methods for Measuring Resistance of Electrical Connections (Static Contacts)

    B542 Terminology Relating to Electrical Contacts and Their Use


    Referencing This Standard
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    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/B0497-00R12

    Citation Format

    ASTM B497-00(2012), Standard Guide for Measuring Voltage Drop on Closed Arcing Contacts (Withdrawn 2017), ASTM International, West Conshohocken, PA, 2012, www.astm.org

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