ASTM E1213 - 97(2009)

    Standard Test Method for Minimum Resolvable Temperature Difference for Thermal Imaging Systems

    Active Standard ASTM E1213 | Developed by Subcommittee: E07.10

    Book of Standards Volume: 03.03


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    Significance and Use

    This test relates to a thermal imaging system's effectiveness for discerning details in a scene.

    MRTD values provide estimates of resolution capability and may be used to compare one system with another. (Lower MRTD values indicate better resolution.)

    Note 1—Test values obtained under idealized laboratory conditions may or may not correlate directly with service performance.

    1. Scope

    1.1 This test method covers the determination of the minimum resolvable temperature difference (MRTD) capability of the compound observer-thermal imaging system as a function of spatial frequency.

    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 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

    E1316 Terminology for Nondestructive Examinations


    ICS Code

    ICS Number Code 17.180.20 (Colours and measurement of light)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/E1213-97R09

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