ASTM D2149 - 13

    Standard Test Method for Permittivity (Dielectric Constant) And Dissipation Factor Of Solid Ceramic Dielectrics At Frequencies To 10 MHz And Temperatures To 500°C

    Active Standard ASTM D2149 | Developed by Subcommittee: D09.12

    Book of Standards Volume: 10.01

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    Significance and Use

    4.1 Permittivity and dissipation factor are sensitive to changes in chemical composition, impurities, and homogeneity. Measurement of these properties is, therefore, useful for quality control and for determining the effect of environments such as moisture, heat, or radiation.

    1. Scope

    1.1 This test method covers the determination of the relative permittivity (dielectric constant) and dissipation factor of solid dielectrics from 50 Hz to 10 MHz over a range of temperatures from −80 to 500°C.2 ,3 Two procedures are included as follows:

    1.1.1 Procedure A—Using Micrometer Electrode.

    1.1.2 Procedure B—Using Precision Capacitor.

    Note 1In common usage the word “relative” is frequently dropped.

    1.2 This standard does not purport to address the safety concerns, 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

    D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation

    D1711 Terminology Relating to Electrical Insulation

    E197 Specification for Enclosures and Servicing Units for Tests Above and Below Room Temperature

    ICS Code

    ICS Number Code 29.035.30 (Glass and ceramic insulating materials)

    UNSPSC Code

    UNSPSC Code 32121500(Capacitors)

    DOI: 10.1520/D2149

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