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Standard Test Method for Minimum Detectable Temperature Difference for Thermal Imaging Systems
STANDARD published on 1.6.2010
Designation standards: ASTM E1311-89(2010)
Note: WITHDRAWN
Publication date standards: 1.6.2010
SKU: NS-41228
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
infrared imaging systems, minimum detectable temperature difference, nondestructive testing, thermal imaging systems, thermography, infrared, Blackbody radiation facility, Comparison techniques, Cracking, Defects, Field-of-view, Inclusions, Infrared imaging systems, MDTD (minimum detectable temperature differences), Nondestructive evaluation (NDE), Occlusions, Pits, Radiographic examination, Temperature tests--image analysis instrumentation, Thermal imaging systems, Thermographic inspection
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. |
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1. 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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2. Referenced Documents | ||
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