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JJF 1596-2016 English PDF

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JJF 1596-2016: Calibration Specification for X-Ray Industry Real Time Imaging System
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Basic data

Standard ID JJF 1596-2016 (JJF1596-2016)
Description (Translated English) Calibration Specification for X-Ray Industry Real Time Imaging System
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A58
Word Count Estimation 14,185
Date of Issue 2016-11-30
Date of Implementation 2017-02-28
Regulation (derived from) State Administration of Quality Supervision, Inspection and Quarantine Notice No.119 of 2016
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine

JJF 1596-2016: Calibration Specification for X-Ray Industry Real Time Imaging System

---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 X-Ray Industry Real Time Imaging System National Metrological Technical Code of the People's Republic of China X - ray industry real - time imaging system calibration specification 2016-11-30 release 2017-02-28 Implementation State Administration of Quality Supervision, Inspection and Quarantine issued X - ray industry real - time imaging system Calibration specification Unit. National Diameter Radiation Metrology Technical Committee The main drafting unit. Jiangsu Province Institute of Metrology Changchun City Metrology and Testing Technology Research Institute Participated in the drafting unit. Dandong Aolong ray Group Co., Ltd. This specification entrusts the National Diameter Radiation Metrology Technical Committee to explain The main drafters of this specification. Hu Shangze (Jiangsu Institute of Metrology) Xing Li Teng (Jiangsu Institute of Metrology) Zhang jian (Changchun City metrological verification test technology research institute) Participate in the drafters. Jiang Shengjie (Dandong Aolong Radiation Group Co., Ltd.)

table of Contents

Introduction (II) 1 Scope (1) 2 References (1) 3 terms and units of measurement (1) 3.1 Terms (1) 3.2 Units of measurement (2) 4 Overview (2) 5 Metrological characteristics (2) 5.1 Air Specificity Relaxation (2) 5.2 System resolution (2) 5.3 Transparent sensitivity (2) 5.4 Image Distortion (2) 5.5 Leakage (2) 6 Calibration conditions (3) 6.1 Environmental conditions (3) 6.2 Measurement standards and other equipment (3) 7 Calibration items and calibration methods (3) 7.1 Radiation Output Air Specificity Relaxation Rate Repeatability (3) 7.2 System resolution (4) 7.3 Transparent sensitivity (4) 7.4 Image Distortion (4) 7.5 Leakage (4) 8 Expression of calibration results (4) 9 re-school time interval (5) Appendix A Data relating to linear image quality and distortion modules (6) Appendix B Calibration Certificate Page Recommended Format (7) Appendix CX-ray real-time imaging air ratio keratability measurement results Uncertainty evaluation example (8)

Introduction

This specification is based on JJF 1071-2010 "national measurement calibration rules to prepare rules", and according to X-ray real-time into Like the status quo of detection technology, mainly based on the relevant standards at home and abroad based on the preparation of the relevant standards. The purpose is to regulate its sexuality Can detect methods to achieve effective equipment quality control. This specification is the first release. X - ray industry real - time imaging system calibration specification

1 Scope

This specification applies to conventional X-ray industrial real-time imaging systems with tube voltage ≤ 450kV, micro-focus X-ray workers The calibration of the real-time imaging system does not apply to calibration of high-energy X-ray imaging systems such as accelerator sources.

2 reference file

This specification refers to the following documents. JJG40-2011 X-ray inspection machine GB/T 29069-2012 Non-destructive testing - Industrial computer tomography (CT) system performance test method Non - destructive testing - Terminology - Radiographic examination GB/T 12604.2-2005 GB 17925-2011 X - ray digital imaging inspection of cylinder butt welds Basic safety standards for ionizing radiation protection and radiation source GB 18871-2002 GB/T 7902-2015 Non-destructive testing - General specification for linear image quality ASTME1000-98 (2009) - Radiographic Real-Time Imaging Guidelines (StandardGuide for Radioscopy) For dated references, only the dated edition applies to this specification; references that are not dated , The latest version (including all modifications) applies to this specification.

3 terms and units of measurement

3.1 terminology 3.1.1 real-time imaging realtimeimaging According to the image system; image acquisition speed can reach more than 25 frames/sec imaging. 3.1.2 microfocus tinyfocus X-ray tube on the anode ray emission area is less than or equal to (0.1 × 0.1) mm X-ray tube focus. 3.1.3 image distortion imagedistortion After a clearly visible and sensitive device is imaged, the image of its boundary will be deformed. 3.1.4 System resolution imageresolution The display screen image identifies the minimum spacing of lines separated, in lines per centimeter (lp/cm). 3.1.5 test block block An object made of a specific material used to detect the penetration force of the ray, which has a known nominal thickness. 3.1.6 Transparent sensitivity transmissionsensitivity The ratio of the minimum diameter to the thickness of the measured object in the direction of the ray can be detected by radiography. Than that. 3.1.7 image contrast imagecontrast Relative Change of Optical Density in Neighboring Regions of Radiographic Images. 3.1.8 line to linepair

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