Standard Historical Last Updated: Oct 20, 2014 Track Document
ASTM E1311-89(2010)

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

Standard Test Method for Minimum Detectable Temperature Difference for Thermal Imaging Systems E1311-89R10 ASTM|E1311-89R10|en-US Standard Test Method for Minimum Detectable Temperature Difference for Thermal Imaging Systems Standard new BOS Vol. 03.03 Committee E07
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Significance and Use

This test method gives a measure of a thermal imaging system's effectiveness for detecting a small spot within a large background. Thus, it relates to the detection of small material defects such as voids, pits, cracks, inclusions, and occlusions.

MDTD values provide estimates of detection capability that may be used to compare one system with another. (Lower MDTD values indicate better detection capability.)

Note 2—Test values obtained under idealized laboratory conditions may or may not correlate directly with service performance.

Scope

1.1 This test method covers the determination of the minimum detectable temperature difference (MDTD) capability of a compound observer-thermal imaging system as a function of the angle subtended by the target.

1.2 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.

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Details
Book of Standards Volume: 03.03
Developed by Subcommittee: E07.10
Pages: 3
DOI: 10.1520/E1311-89R10
ICS Code: 17.200.20