Standard Practice for Minimum Resolvable Temperature Difference for Thermal Imaging SystemsTranslate name
STANDARD published on 1.11.2018
Designation standards: ASTM E1213-14(2018)
Publication date standards: 1.11.2018
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
infrared, infrared imaging systems, minimum resolvable temperature difference, nondestructive testing, thermal imaging systems, thermography,, ICS Number Code 17.180.20 (Colours and measurement of light)
|Significance and Use|
5.1 This practice relates to a thermal imaging system's effectiveness for discerning details in a scene.
5.2 MRTD values provide estimates of resolution capability and may be used to compare one system with another. (Lower MRTD values indicate better resolution.)
5.3 Due to the partially subjective nature of the procedure, repeatability and reproducibility are apt to be poor and MRTD differences less than 0.2 °C are considered to be insignificant.
Note 1: Values obtained under idealized laboratory conditions may or may not correlate directly with service performance.
1.1 This practice 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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
|2. Referenced Documents|
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