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Last Updated: Nov 03, 2021
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ASTM E1079-21
Standard Practice for Calibration of Transmission Densitometers
Standard Practice for Calibration of Transmission Densitometers
E1079-21
ASTM|E1079-21|en-US
Standard Practice for Calibration of Transmission Densitometers
Standard
E1079 Standard Practice for Calibration of Transmission Densitometers>
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BOS Vol. 03.03 Committee E07
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Significance and Use
4.1 This practice provides a means for calibrating transmission densitometers used for the measurement of diffuse optical density on radiographic films. A transmission densitometer calibrated in accordance with this practice provides the assurance that accurate optical density values of radiographs are obtained.
Scope
1.1 This practice2 covers the calibration of transmission densitometers used to perform measurements of diffuse optical density on radiographic films (see Note 1).
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
Note 1: For further information on the design and use of densitometers, the following literature is suggested as additional background information: ISO 5–1:2009, ISO 5–2:2009, ISO 5–3:2009, and ISO 14807:2001.
1.3 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.