ASTM-E1543:2022 Edition

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E1543-14(2022) Standard Practice for Noise Equivalent Temperature Difference of Thermal Imaging Systems

Published By	Publication Date	Number of Pages
ASTM	2022	4

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Categories: 17.200.20 - Temperature-measuring instruments, ASTM

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Description

ASTM E1543-14-Reapproved2022

Active Standard: Standard Practice for Noise Equivalent Temperature Difference of Thermal Imaging Systems

ASTM E1543

Scope

1.1 This practice covers the determination of the noise equivalent temperature difference (NETD; NEΔT) of thermal imaging systems of the conventional forward-looking infrared (FLIR) or other types that utilize an optical-mechanical scanner; it does not include charge-coupled devices or pyroelectric vidicons.

1.2 Parts of this practice have been formulated under the assumption of a photonic detector(s) at a standard background temperature of 295 °K (22 °C). Besides nonuniformity, examinations made at other background temperatures may result in impairment of precision and bias.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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.

1.5 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.

Keywords

infrared imaging systems; noise equivalent temperature difference; nondestructive testing; thermal imaging systems; thermography;

ICS Code

ICS Number Code 17.200.20 (Temperature-measuring instruments)

DOI: 10.1520/E1543-14R22

Additional information

Standard Title	E1543-14(2022) Standard Practice for Noise Equivalent Temperature Difference of Thermal Imaging Systems
Published Code	ASTM
Publication Date	2022
Pages Count	4
ICS Codes	17.200.20 - Temperature-measuring instruments