ASTM B389-81(2004)

    Standard Test Method for Thermal Deflection Rate of Spiral and Helical Coils of Thermostat Metal

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    1. Scope

    1.1 This test method covers the determination of the thermal deflection rate of spiral and helical coils of thermostat metal.

    1.2 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units may be approximate.

    1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    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

    E77 Test Method for Inspection and Verification of Thermometers


    ICS Code

    ICS Number Code 21.160 (Springs)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/B0389-81R04

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