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Significance and Use
This practice establishes the basic parameters for the application and control of the digital radiologic method. This practice is written so it can be specified on the engineering drawing, specification, or contract. It will require a detailed procedure delineating the technique or procedure requirements and shall be approved by the CEO.
1.1 This practice establishes the minimum requirements for radiological examination for metallic and nonmetallic material using a digital detector array (DDA) system.
1.2 The requirements in this practice are intended to control the quality of radiologic images and are not intended to establish acceptance criteria for parts or materials.
1.3 This practice covers the radiologic examination with DDAs including DDAs described in Practice E2597 such as a device that contains a photoconductor attached to a Thin Film Transistor (TFT) read out structure, a device that has a phosphor coupled directly to an amorphous silicon read-out structure, and devices where a phosphor is coupled to a CMOS (Complementary metal–oxide–semiconductor) array, a Linear Detector Array (LDA) or a CCD (charge coupled device) crystalline silicon read-out structure.
1.4 The DDA shall be selected for an NDT application based on knowledge of the technology described in Guide , and of the selected DDA properties provided by the manufacturer in accordance with Practice E2597.
1.5 The requirements of this practice and Practice shall be used together and both be approved by the CEO Level 3 in Radiography before inspection of production hardware. The requirements of Practice will provide the baseline evaluation and long term stability test procedures for the DDA system.
1.6 The requirements in this practice shall be used when placing a DDA into NDT service and, before being placed into service, an established baseline of system qualification shall be performed in accordance with Practice .
1.7 Techniques and applications employed with DDAs are diverse. This practice is not intended to be limiting or restrictive. Refer to Guides E94, E1000, , Terminology E1316, Practice E747 and E1025, Fed. Std. Nos. 21CFR 1020.40 and 29 CFR 1910.96 for a list of documents that provide additional information and guidance.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E94 Guide for Radiographic Examination
E543 Specification for Agencies Performing Nondestructive Testing
E747 Practice for Design, Manufacture and Material Grouping Classification of Wire Image Quality Indicators (IQI) Used for Radiology
E1000 Guide for Radioscopy
E1025 Practice for Design, Manufacture, and Material Grouping Classification of Hole-Type Image Quality Indicators (IQI) Used for Radiology
E1316 Terminology for Nondestructive Examinations
E1647 Practice for Determining Contrast Sensitivity in Radiology
E1742 Practice for Radiographic Examination
E2002 Practice for Determining Total Image Unsharpness in Radiology
E2597 Practice for Manufacturing Characterization of Digital Detector Arrays
E2736 Guide for Digital Detector Arrays
E2737 Practice for Digital Detector Array Performance Evaluation and Long-Term Stability
AWS DocumentsAWS A2.4 Symbols for Welding and Nondestructive Testing
Government StandardsSMPTE RP 133 Specifications for Medical Diagnostic Imaging Test Pattern for Television Monitors and Hard-Copy Recording Cameras
Aerospace Industries Association DocumentNAS 410 Certification Qualification of Nondestructive Test Personnel
ICS Number Code 11.040.50 (Radiographic equipment)
ASTM E2698-10, Standard Practice for Radiological Examination Using Digital Detector Arrays, ASTM International, West Conshohocken, PA, 2010, www.astm.orgBack to Top