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ASTM E1411-01(2006)

(Practice)

Standard Practice for Qualification of Radioscopic Systems

Standard Practice for Qualification of Radioscopic Systems

SCOPE
1.1 This practice provides test and measurement details for measuring the performance of X-ray and Gamma ray radioscopic systems. Radioscopic examination applications are diverse. Therefore, system configurations are also diverse and constantly changing as the technology advances.
1.2 This practice is intended as a means of initially qualifying and re-qualifying a radioscopic system for a specified application by determining its performance level when operated in a static mode. System architecture including the means of radioscopic examination record archiving and the method for making the accept/reject decision are also unique system features and their effect upon system performance must be evaluated.
1.3 The general principles, as stated in this practice, apply broadly to transmitted-beam penetrating radiation radioscopy systems. Other radioscopic systems, such as those employing neutrons and Compton back-scattered X-ray imaging techniques, are not covered as they may involve equipment and application details unique to such systems.
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 and health practices and determine the applicability of regulatory limitations prior to use. For information on safety requirements, refer to the applicable documents listed in Section 2.

General Information

Status
Historical
Publication Date
30-Jun-2006
ICS
19.100 - Non-destructive testing
Technical Committee
E07 - Nondestructive Testing
Drafting Committee
E07.01 - Radiology (X and Gamma) Method
Current Stage
Ref Project

Relations

Replaces
ASTM E1411-01 - Standard Practice for Qualification of Radioscopic Systems
Effective Date
01-Jul-2006
Replaced By
ASTM E1411-09 - Standard Practice for Qualification of Radioscopic Systems
Effective Date
01-Jul-2009
Referred By
ASTM E1742/E1742M-18 - Standard Practice for Radiographic Examination
Effective Date
01-Jul-2006
Referred By
ASTM E1734-23 - Standard Practice for Radioscopic Examination of Castings
Effective Date
01-Jul-2006
Referred By
ASTM E1647-16(2022) - Standard Practice for Determining Contrast Sensitivity in Radiology
Effective Date
01-Jul-2006
Referred By
ASTM E1255-16 - Standard Practice for Radioscopy
Effective Date
01-Jul-2006
Referred By
ASTM E2533-21 - Standard Guide for Nondestructive Examination of Polymer Matrix Composites Used in Aerospace Applications
Effective Date
01-Jul-2006
Referred By
ASTM E1475-13(2023) - Standard Guide for Data Fields for Computerized Transfer of Digital Radiological Examination Data
Effective Date
01-Jul-2006
Referred By
ASTM E1416-23 - Standard Practice for Radioscopic Examination of Weldments
Effective Date
01-Jul-2006
Referred By
ASTM E1161-21 - Standard Practice for Radiographic Examination of Semiconductors and Electronic Components
Effective Date
01-Jul-2006

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ASTM E1411-01(2006) - Standard Practice for Qualification of Radioscopic SystemsASTM E1411-01(2006) - Standard Practice for Qualification of Radioscopic Systems
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ASTM E1411-01(2006) - Standard Practice for Qualification of Radioscopic Systems
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E 1411 – 01 (Reapproved 2006)
Standard Practice for
Qualification of Radioscopic Systems
This standard is issued under the fixed designation E 1411; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope E 1025 Practice for Design, Manufacture, and Material
Grouping Classification of Hole-Type Image Quality Indi-
1.1 This practice provides test and measurement details for
cators (IQI) Used for Radiology
measuring the performance of X-ray and Gamma ray radio-
E 1255 Practice for Radioscopy
scopic systems. Radioscopic examination applications are
E 1316 Terminology for Nondestructive Examinations
diverse. Therefore, system configurations are also diverse and
E 1647 Practice for Determining Contrast Sensitivity in
constantly changing as the technology advances.
Radiology
1.2 This practice is intended as a means of initially quali-
E 2002 Practice for Determining Total Image Unsharpness
fying and re-qualifying a radioscopic system for a specified
in Radiology
application by determining its performance level when oper-
2.2 Other Standard:
ated in a static mode. System architecture including the means
EN 462–5 Duplex Wire IQI
of radioscopic examination record archiving and the method
for making the accept/reject decision are also unique system
3. Terminology
features and their effect upon system performance must be
3.1 Definitions—For definitions of terms used in this prac-
evaluated.
tice, see Terminology E 1316.
1.3 The general principles, as stated in this practice, apply
broadly to transmitted-beam penetrating radiation radioscopy
4. Summary of Practice
systems. Other radioscopic systems, such as those employing
4.1 This practice provides a standardized procedure for the
neutrons and Compton back-scattered X-ray imaging tech-
initial qualification and requalification of a radioscopic system
niques, are not covered as they may involve equipment and
toestablishradioscopicexaminationcapabilitiesforaspecified
application details unique to such systems.
range of applications.
1.4 This standard does not purport to address all of the
4.2 This practice is intended for use in association with a
safety concerns, if any, associated with its use. It is the
standard practice governing the use of radioscopic examina-
responsibility of the user of this standard to establish appro-
tion, such as Practice E 1255.
priate safety and health practices and determine the applica-
4.3 This practice specifies the procedures to be used in
bility of regulatory limitations prior to use. For information on
determining the performance level of the radioscopic system.
safety requirements, refer to the applicable documents listed in
Unique system features, including component selection, sys-
Section 2.
tem architecture, programmability and image archiving capa-
bilities are important factors and are taken into account in this
2. Referenced Documents
2 practice. The overall system performance level, as well as key
2.1 ASTM Standards:
system features, are to be recorded in a qualification document
E 747 Practice for Design, Manufacture and Material
which shall qualify the performance level of the total radio-
Grouping Classification of Wire Image Quality Indicators
scopic system. An example of the Radioscopic System Quali-
(IQI) Used for Radiology
fication document form is included in the Appendix. This
document may be tailored to suit the specific application.
This practice is under the jurisdiction of ASTM Committee E07 on Nonde- 5. Significance and Use
structive Testing and is the direct responsibility of Subcommittee E07.01 on
5.1 As with conventional radiography, radioscopic exami-
Radiology (X and Gamma) Method.
nation is broadly applicable to the many materials and object
Current edition approved July 1, 2006. Published July 2006. Originally approved
in 1991. Last previous edition approved in 2001 as E 1411 - 01.
configurations which may be penetrated with X-rays or gamma
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
rays. The high degree of variation in architecture and perfor-
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
manceamongradioscopicsystemsduetocomponentselection,
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. physical arrangement and object variables, makes it necessary
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
E 1411 – 01 (2006)
to establish the level of performance which the selected expressed in line-pairs per millimeter and is equal to the
radioscopic system is capable of achieving in specific applica- reciprocal of twice the required small feature size expressed in
tions. The manufacturer of the radioscopic system, as well as millimeters,
the user, require a common basis for determining the perfor- 6.1.6 The required contrast sensitivity to resolve, or detect
mance level of the radioscopic system. the presence of, the smallest feature dimension lying along the
radiation beam expressed as a percentage of the total path
5.2 This practice does not purport to provide a method to
length of the radiation beam in the material,
measure the performance of individual radioscopic system
6.1.7 The desired throughput requirements expressed in
components which are manufactured according to a variety of
linear and area dimensions per unit time, and
industry standards. This practice covers measurement of the
6.1.8 The standardized image quality indicator to be used in
combined performance of the radioscopic system elements
qualifying the radioscopic system.
when operated together as a functional radioscopic system.
6.2 Thefollowingminimumequipmentinformationshallbe
5.3 This practice addresses the performance of radioscopic
included in the qualification document:
systems in the static mode only. Radioscopy can also be a
6.2.1 The system make, model number, serial number, date
dynamic, real-time or near real-time examination technique
of manufacture and configuration,
which can allow test-part motion as well as parameter changes
6.2.2 Radioscopic scan plan details and whether manual or
during the radioscopic examination process. The use of this
programmable,
practice is not intended to be limiting concerning the use of the
6.2.3 Accept/Reject decision as to whether manual,
dynamic properties of radioscopy. Users of radioscopy are
computer-aided or fully automated, and
cautioned that the dynamic aspects of radioscopy can have
6.2.4 Pertinent equipment details for each radioscopic sys-
beneficial as well as detrimental effects upon system perfor-
tem sub-system.
mance and must be evaluated on a case-by-case basis.
6.3 This practice neither approves nor disapproves the use
5.4 This qualification procedure is intended to benchmark
of the qualified radioscopic system for the specified applica-
radioscopic system performance under selected operating con-
tion. It is intended only as a standardized means of evaluating
ditions to provide a measure of system performance. Qualifi-
system performance.
cation shall not restrict operation of the radioscopic system at
other radioscopic examination parameter settings which may
7. Qualification Procedure
provide improved performance on actual examination objects.
7.1 Before testing, the radioscopic system shall be deter-
5.5 Radioscopic system performance measured pursuant to
minedtobeingoodoperatingcondition.Eachsub-systemshall
thispracticedoesnotguaranteethelevelofperformancewhich
be checked to ascertain that it performs according to the
may be realized in actual operation. The effects of object-
manufacturer’s specifications.
geometry and orientation-generated scattered radiation cannot
7.2 The radioscopic system and each component thereof
be reliably predicted by a standardized examination. All
shall be operated within its ratings at all times during qualifi-
radioscopic systems age and degrade in performance as a
cation.
function of time. Maintenance and operator adjustments, if not
7.3 The radioscopic system shall be determined to be in
correctly made, can adversely affect the performance of radio-
compliance with applicable local, state and federal radiation
scopic systems.
safety standards. Proper procedures must be taken to safeguard
5.6 The performance of the radioscopic system operator in
personnel during the performance of these tests.
manual and semi-automatic radioscopic systems is not taken
7.4 Theimagedisplayshallbeplacedinanareaofsubdued,
into account in this practice and can have a major effect upon
controllable lighting which is free from glare and reflections
radioscopicsystemperformance.Operatorqualificationsarean
which might affect image assessment.
important aspect of system operation and should be covered in
7.5 The radioscopic system shall be at operating tempera-
a separate written procedure.
ture and stabilized. All operator accessible operating controls
may be adjusted as necessary to obtain the optimal image
6. Application and Equipment Information Statement
quality.
7.6 Maintenance adjustments shall not be made during the
6.1 The following minimum application and qualification
examination process. If maintenance examinations are neces-
standard information shall be reported in the qualification
sary, all affected examinations shall be repeated.
document.
7.7 Whereprovided,beamcollimatorsanddiaphragmsshall
6.1.1 A brief statement about the intended application,
be used to minimize scatter radiation thereby promoting the
6.1.2 Material(s)
...

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ASTM E1742/E1742M-23(Practice)
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4.1 This practice establishes the basic parameters for the application and control of the radiographic method. This practice is written so it can be specified on the engineering drawing, specification, or contract. It is not a detailed how-to procedure to be used by the NDT facility and, therefore, must be supplemented by a detailed procedure (see 6.1). Practices E1030/E1030M, E1032, and E1416 contain information to help develop detailed technique/procedure requirements.
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1.1 This practice2 covers the minimum requirements for radiographic examination for metallic and nonmetallic materials.  
1.2 Applicability—The criteria for the radiographic examination in this practice are applicable to all types of metallic and nonmetallic materials. When specified, it may be used for radiographic inspection of metallic or non-metallic materials, weldments, castings, and brazed materials. The requirements expressed in this practice are intended to control the quality of the radiographic images and are not intended to establish acceptance criteria for parts and materials.  
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1.3.19 Reproduction of radiographs, 6.27.10 and 6.27.10.1.  
1.3.20 Acceptable parts, 6.28.1.  
1.4 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
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SIGNIFICANCE AND USE
5.1 As with conventional radiography, radioscopic examination is broadly applicable to the many materials and object configurations which may be penetrated with X-rays or gamma rays. The high degree of variation in architecture and performance among radioscopic systems due to component selection, physical arrangement, and object variables makes it necessary to establish the performance that the selected radioscopic system is capable of achieving in specific applications. The manufacturer or integrator of the radioscopic system, as well as the user, require a common basis for determining the performance level of the radioscopic system.  
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5.4 Radioscopic system performance measured pursuant to this practice does not guarantee the level of performance which may be realized in actual operation but does provide a baseline against which periodic performance evaluations can be compared to ensure the system is operating within established limits. The effects of object-geometry and orientation-generated scattered radiation cannot be reliably predicted by a standardized examination. All radioscopic systems age and degrade in performance as a function of time. Maintenance and operator adjustments, i...
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Standard Practice for Matrix Array Ultrasonic Testing of Composites, Sandwich Core Constructions, and Metals

SIGNIFICANCE AND USE
5.1 The procedures described in this practice have proven utility in the inspecting (1) monolithic polymer matrix composites (laminates) for bulk defects, (2) metals for corrosion during the service life of the part of interest, (3) thickness checks, (4) adhesive bonding of metals, composites, and sandwich core constructions, (5) coatings, and (6) composite filament windings. Both unpressurized, and with suitable precautions, pressurized materials and components are inspected.  
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5.4 MAUT search units provide near-surface resolution and detection of small discontinuities comparable to phased array transducers. They may or may not be capable of beam steering. The advantage of MAUT for straight-beam longitudinal wave inspections is the ability to provide real-time C-scan data, which facilitates data interpretation and shortens inspection time. Depending on inspection needs, data can be displayed as A-, B- or C-scans, or three-dimensional renderings. Toggling between pulse-echo and through transmission ultrasonic (TTU) modes without having to use another system or changing transducers is also possible.  
5.5 The MAUT technique has proven utility in the inspection of multi-ply carbon-fiber reinforced laminates used in primary aircraft structures.11  
5.6 For ultrasonic testing of laminate composites and sandwich core materials using conventional UT equipment consult Practice E2580. Consult Practice E114 for ultrasonic testing of materials by the pulse-echo method using straightbeam longitudinal waves introduced by a piezoelectric elemen...
SCOPE
1.1 This practice covers procedures for matrix array ultrasonic testing (MAUT) of monolithic composites, composite sandwich constructions, and metallic test articles. These procedures can be used throughout the life cycle of a part during product and process design optimization, on line process control, post-manufacturing inspection, and in-service inspection.  
1.2 In general, ultrasonic testing is a common volumetric method for detection of embedded or subsurface discontinuities. This practice includes general requirements and procedures which may be used for detecting flaws and for making a relative or approximate evaluation of the size of discontinuities and part anomalies. The types of flaws or discontinuities detected include interply delaminations, foreign object debris (FOD), inclusions, disbond/un-bond, fiber debonding, fiber fracture, porosity, voids, impact damage, thickness variation, and corrosion.  
1.3 Typical test articles include monolithic composite layups such as uniaxial, cross ply and angle ply laminates, sandwich constructions, bonded structures, and filament windings, as well as forged, wrought and cast metallic parts. Two techniques can be considered based on accessibility of the inspection surface: namely, pulse echo inspection for one-sided access and through-transmission for two-sided access. As used in this practice, both require the use of a pulsed straight-beam ultrasonic longitudinal wave followed by observing indications of either the reflected (pulse-echo) or received (through transmission) wave.  
1.4 This practice provides two ultrasonic test procedures. Each has its own merits and requirements for inspection and shall be selected as agreed upon in a contractual document.  
1.4.1 Test Procedure A, Pulse Echo (non-contacting and contacting) is at a minimum a single matrix array transducer transmitting and receiving longitudinal waves in the range of 0.5 MHz to 20 MHz (see Fig. 1). Th...

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ASTM
ASTM E2862-23(Practice)
Standard Practice for Probability of Detection Analysis for Hit/Miss Data

SIGNIFICANCE AND USE
5.1 The POD analysis method described herein is based on a well-known and well established statistical regression method. It shall be used to quantify the demonstrated POD for a specific set of examination parameters and known range of discontinuity sizes under the following conditions.  
5.1.1 The initial response from a nondestructive evaluation inspection system is ultimately binary in nature (that is, hit or miss).  
5.1.2 Discontinuity size is the predictor variable and can be accurately quantified.  
5.1.3 A relationship between discontinuity size and POD exists and is best described by a generalized linear model with the appropriate link function for binary outcomes.  
5.2 This practice does not limit the use of a generalized linear model with more than one predictor variable or other types of statistical models if justified as more appropriate for the hit/miss data.  
5.3 If the initial response from a nondestructive evaluation inspection system is measurable and can be classified as a continuous variable (for example, data collected from an Eddy Current inspection system), then Practice E3023 may be more appropriate.  
5.4 Prior to performing the analysis it is assumed that the discontinuity of interest is clearly defined; the number and distribution of induced discontinuity sizes in the POD specimen set is known and well-documented; discontinuities in the POD specimen set are unobstructed; and the POD examination administration procedure (including data collection method) is well-designed, well-defined, under control, and unbiased. The analysis results are only valid if convergence is achieved and the model adequately represents the data.  
5.5 The POD analysis method described herein is consistent with the analysis method for binary data described in MIL-HDBK-1823A, and is included in several widely utilized POD software packages to perform a POD analysis on hit/miss data. It is also found in statistical software packages that have generalized line...
SCOPE
1.1 This practice covers the procedure for performing a statistical analysis on nondestructive testing hit/miss data to determine the demonstrated probability of detection (POD) for a specific set of examination parameters. Topics covered include the standard hit/miss POD curve formulation, validation techniques, and correct interpretation of results.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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.

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ASTM
ASTM E3388-23(Practice)
Standard Practice for Determining Image Unsharpness and Basic Spatial Resolution in Radiography and Radioscopy for High Energy Applications

SIGNIFICANCE AND USE
5.1 The gauge is intended to provide a means for measuring image or detector unsharpness and basic spatial image or detector resolution as independently as practicable from the imaging system and contrast sensitivity limitations. When the duplex plate gauge is positioned directly on the film or the digital detector instead on the test object, then the determined image unsharpness UIm corresponds to the inherent film or detector unsharpness (Udetector) and the determined basic spatial image resolution SRbimage corresponds to the basic spatial detector resolution SRbdetector. SRbimage provides a value which depends on the combined effect of detector unsharpness and geometric unsharpness.  
5.2 Basis of Application:  
5.2.1 The following items are subject to contractual agreement between the parties using or referencing this standard.
5.2.1.1 Personnel Qualification—Personnel performing examinations to this practice shall be qualified in accordance with NAS410, EN 4179, ANSI/ASNT CP 189, ISO 9712, or SNT-TC-1A and certified by the employer or certifying agency as applicable. Other equivalent qualification documents may be used when specified on the contract or purchase order. The applicable revision shall be the latest unless otherwise specified in the contractual agreement between parties.
5.2.1.2 If specified in the contractual agreement, NDT agencies shall be qualified and evaluated as described in Specification E543. The applicable edition of Specification E543 shall be specified in the contract.
SCOPE
1.1 This practice covers the design and basic use of a gauge used to determine the image unsharpness and the basic spatial resolution of film radiographs or of digital images taken with CR imaging plates, digital detector arrays (DDA), or radioscopic systems (for example, with X-ray image intensifiers) for applications with Se-75, Ir-192, Co-60 and high energy sources with tube potentials ≥ 300 kV. The IQI may be used at lower tube potentials too, if the expected unsharpness is > 200 µm (SRbimage or SRbdetector > 100 µm). For the measurement of lower unsharpness values, the usage of the gauge described in Practice E2002 is recommended.  
1.2 This practice is applicable to radiographic and radioscopic imaging systems utilizing X-ray and gamma ray radiation sources.  
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 The gauge described can be used effectively if the duplex wire IQI of Practice E2002 does not provide sufficient contrast resolution.  
1.5 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.  
1.6 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.

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ASTM
ASTM E2663-23(Practice)
Standard Practice for Digital Imaging and Communication in Nondestructive Evaluation (DICONDE) for Ultrasonic Test Methods

SIGNIFICANCE AND USE
5.1 Personnel that are responsible for the creation, transfer, and storage of ultrasonic test results will use this standard. This practice defines a set of information modules that, along with Practice E2339 and the DICOM standard, provides a standard means to organize ultrasonic test parameters and results. The ultrasonic test results may be displayed and analyzed on any device that conforms to this standard. Personnel wishing to view any ultrasonic inspection data stored in DICONDE format may use this document to help them decode and display the data contained in the DICONDE compliant inspection record.
SCOPE
1.1 This practice covers the interoperability of ultrasonic imaging equipment by specifying image data transfer and archival storage methods in commonly accepted terms. This document is intended to be used in conjunction with Practice E2339. Practice E2339 defines an industrial adaptation of NEMA PS3 / ISO 12052 (DICOM, see http://medical.nema.org), an international standard for image data acquisition, review, transfer, and archival storage. The goal of Practice E2339, commonly referred to as DICONDE, is to provide a standard that facilitates the display and analysis of NDE test results on any system conforming to the DICONDE standard. Toward that end, Practice E2339 provides a data dictionary and set of information modules that are applicable to all NDE modalities. This practice supplements Practice E2339 by providing information object definitions, information modules, and data dictionary that are specific to ultrasonic test methods.  
1.2 This practice has been developed to overcome the issues that arise when analyzing or archiving data from ultrasonic test equipment using proprietary data transfer and storage methods. As digital technologies evolve, data must remain decipherable through the use of open, industry-wide methods for data transfer and archival storage. This practice defines a method where all the ultrasonic technique parameters and test results are communicated and stored in a standard format regardless of changes in digital technology.  
1.3 This practice does not specify:  
1.3.1 A testing or validation procedure to assess an implementation's conformance to the standard.  
1.3.2 The implementation details of any features of the standard on a device claiming conformance.  
1.3.3 The overall set of features and functions to be expected from a system implemented by integrating a group of devices each claiming DICONDE conformance.  
1.4 Although this practice contains no values that require units, it does describe methods to store and communicate data that do require units to be properly interpreted. The SI units required by this practice are to be regarded as standard. No other units of measurement are included in this standard.  
1.5 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.  
1.6 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.

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ASTM
ASTM E2934-23(Practice)
Standard Practice for Digital Imaging and Communication in Nondestructive Evaluation (DICONDE) for Eddy Current (EC) Test Methods

SIGNIFICANCE AND USE
5.1 Personnel that are responsible for the creation, transfer, and storage of eddy current NDE test results will use this standard. This practice defines a set of information modules that, along with Practice E2339 and the DICOM standard, provide a standard means to organize eddy current test parameters and results. The eddy current examination results may be displayed or analyzed on any device that conforms to the standard. Personnel wishing to view any eddy current examination data stored according to Practice E2339 may use this document to help them decode and display the data contained in the DICONDE compliant inspection record.
SCOPE
1.1 This practice covers the interoperability of eddy current imaging and data acquisition equipment by specifying the image data transfer and archival storage in commonly accepted terms. This document is intended to be used in conjunction with Practice E2339 on Digital Imaging and Communication in Nondestructive Evaluation (DICONDE). Practice E2339 defines an industrial adaptation of NEMA PS3 / ISO 12052, an international standard for image data acquisition, review, storage, and archival storage. The goal of Practice E2339, commonly referred to as DICONDE, is to provide a standard that facilitates the display and analysis of NDE results on any system conforming to the DICONDE standard. Toward that end, Practice E2339 provides a data dictionary and a set of information modules that are applicable to all NDE modalities. This practice supplements Practice E2339 by providing information object definitions, information modules, and a data dictionary that are specific to eddy current test methods.  
1.2 This practice has been developed to overcome the issues that arise when analyzing or archiving data from eddy current test equipment using proprietary data transfer and storage methods. As digital technologies evolve, data must remain decipherable through the use of open, industry-wide methods for data transfer and archival storage. This practice defines a method where all the eddy current technique parameters and inspection data are communicated and stored in a standard manner regardless of changes in digital technology.  
1.3 This practice does not specify:  
1.3.1 A testing or validation procedure to assess an implementation's conformance to the standard,  
1.3.2 The implementation details of any features of the standard on a device claiming conformance, or  
1.3.3 The overall set of features and functions to be expected from a system implemented by integrating a group of devices each claiming DICONDE conformance.  
1.4 Units—Although this practice contains no values that require units, it does describe methods to store and communicate data that do require units to be properly interpreted. The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.5 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.  
1.6 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.

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