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JJF 1338-2012: Calibration Specification for Ultrasonic Phased Array Flaw Detectors
Status: Valid JJF 1338: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| JJF 1338-2012 | English | 369 |
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Calibration Specification for Ultrasonic Phased Array Flaw Detectors
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JJF 1338-2012
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| JJF 1338-1990 | English | 279 |
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O.T.N. of 4πβ(LS) Radioactivity Primary Standard
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JJF 1338-1990
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Basic data | Standard ID | JJF 1338-2012 (JJF1338-2012) | | Description (Translated English) | Calibration Specification for Ultrasonic Phased Array Flaw Detectors | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A59 | | Classification of International Standard | 17.140 | | Word Count Estimation | 16,126 | | Quoted Standard | JJG 746-2004; JJF 1001-2011; JJF 1034-2005; GB 3102.7-1993; GB/T 3947-1996; GB/T 12604.1-2005; JB 10062-1999; ASTM E2491-2006 | | Regulation (derived from) | AQSIQ Announcement No. 45 of 2012 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | | Summary | This standard specifies the display function with B-type ultrasonic phased array flaw detector metrological characteristics, calibration conditions and calibration methods. For phased array ultrasonic flaw detector type B display mode metrological charact | JJF 1338-2012: Calibration Specification for Ultrasonic Phased Array Flaw Detectors---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration Specification for Ultrasonic Phased Array Flaw Detectors
People's Republic of China National Metrology Technical Specifications
Phased array ultrasonic flaw detector calibration specification
Issued on. 2012-03-20
2012-06-20 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Phased array ultrasonic flaw detector calibration specification
Focal point. the National Committee of the acoustic measurement technology
Drafting units. China Institute of Metrology
Beijing Lu Zou City Exhibition Co., Ltd.
This specification metering commissioned National Technical Committee is responsible for interpreting acoustics
Drafters of this specification.
Yang Ping (China Institute of Metrology)
Edge Wen Ping (China Institute of Metrology)
Zhu Yan (China Institute of Metrology)
Wang Chao (Beijing Lu Zou City Exhibition Co., Ltd.)
table of Contents
1 Scope (1)
2. References (1)
3 terminology and units of measurement (1)
3.1 B-type display (1)
3.2 Imaging lateral resolution (1)
3.3 Imaging longitudinal resolution (1)
4 Overview (1)
5 Metrological characteristics (2)
5.1 scanning image lateral resolution (2)
5.2 longitudinal scanning image resolution (2)
5.3 Short defect resolution (2)
5.4 lateral imaging geometry measurement error (2)
5.5 longitudinal imaging geometry measurement error (2)
5.6 sweep angle range of measurement error (2)
5.7 sweep angle resolution (2)
Calibration Condition 6 (2)
6.1 environmental conditions (2)
6.2 Standard device and other equipment (2)
7 calibration items and calibration methods (5)
7.1 calibration items (5)
7.2 Calibration method (5)
8 calibration results expression (6)
8.1 Calibration Data Processing (6)
8.2 calibration certificate (6)
8.3 Calibration of Uncertainty Evaluation (6)
9 Recalibration interval (6)
Appendix A calibration certificate contents (7)
Appendix B Technical Requirements special test block (9)
Appendix C calibration uncertainty assessment (10)
Phased array ultrasonic flaw detector calibration specification
1 Scope
This specification defines the metrological characteristics with a B-type display phased array ultrasonic flaw detector function, calibration conditions and school
Registration. Suitable for phased array ultrasonic flaw detector calibration metrological characteristics of B-type display mode under.
2. References
This specification references the following documents.
JJG746-2004 ultrasonic flaw detector
JJF 1001-2011 common measurement terms and definitions
JJF 1034-2005 acoustic measurement terminology and definitions
GB 3102.7-1993 Quantities and units of acoustics
GB/T 3947-1996 Acoustics Terminology
GB/T 12604.1-2005 Terminology for nondestructive testing Ultrasonic testing
JB10062-1999 ultrasonic flaw detection probe performance test method
ASTME2491-06 phased array ultrasonic testing equipment and system performance evaluation criteria guidelines
For dated references, only the dated edition applies to this rule; undated reference documents
Member, the latest edition (including any amendments) apply to this rule.
3 terminology and units of measurement
This specification uses quantities and units specified in GB 3102.7-1993.
This specification uses JJF 1001-2011, JJF 1034-2005, GB/T 12604.1-2005 and as defined in
The following terms and definitions.
3.1 B-type display Bmodedisplay
Ultrasound is a way to show a cross-sectional image of the subject letter pieces, roughly the size of the reflector indication of their relative positions
Information display method.
3.2 lateral resolution imaging lateralimagingresolution
The imaging system in the direction perpendicular to the axis of the beam resolution.
3.3 longitudinal imaging resolution axialimagingresolution
Resolution of the imaging system in the direction of the beam axis.
4 Overview
Phased array ultrasonic flaw detector generally consists of the host and the probe (also known as the transducer array) components. If the probe is normally provided by
Dry piezoelectric array consisting of array elements. Phased array ultrasonic flaw detector probe independently controlled by a host of individual array elements to achieve
Phased transmitting and receiving the probe beam to achieve ultrasonic deflection and focusing in the media space designated area.
Common probes into oblique straight probe and probe, with the probe in addition to supporting the use of a variety of wedge like.
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