ASTM E988-96(2002)

    Standard Temperature-Electromotive Force (EMF) Tables for Tungsten-Rhenium Thermocouples (Withdrawn 2011)

    Withdrawn Standard: ASTM E988-96(2002) | Developed by Subcommittee: E20.04

    WITHDRAWN, NO REPLACEMENT


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    Withdrawn Rationale:

    This standard consists of reference tables that give temperature-electromotive force (emf) relationships for 97 % Tungsten 3 % Rhenium versus 75 % Tungsten 25 % Rhenium and 95 % Tungsten 5 % Rhenium versus 74 % Tungsten 26 % Rhenium thermocouples. These are the refractory metal thermocouple types most commonly used in industry.

    Formerly under the jurisdiction of Committee E20 on Temperature Measurement, this standard was withdrawn in January 2011 in accordance with section 10.5.3.1 of the Regulations Governing ASTM Technical Committees, which requires that standards shall be updated by the end of the eighth year since the last approval date.

    1. Scope

    1.1 This standard consists of reference tables that give temperature-electromotive force (emf) relationships for 97% Tungsten 3% Rhenium versus 75% Tungsten 25% Rhenium and 95% Tungsten 5% Rhenium versus 74% Tungsten 26% Rhenium thermocouples. These are the refractory metal thermocouple types most commonly used in industry.

    1.2 Also included is a list (Table 1) of initial calibration tolerances for the thermocouple types referred to in 1.1, and their respective compensating extension wires (Table 2).

    1.3 These data are intended for industrial and laboratory use.



    DOI: 10.1520/E0988-96R02

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