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JJG 40-2011

Chinese Standard: 'JJG 40-2011'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
JJG 40-2011English419 Add to Cart Days<=3 Verification Regulation of X-ray Flaw Detectors Valid JJG 40-2011
JJG 40-2011Chinese17 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]


Standard ID JJG 40-2011 (JJG40-2011)
Description (Translated English) Verification Regulation of X-ray Flaw Detectors
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A58
Classification of International Standard 17.240
Word Count Estimation 18,134
Date of Issue 2011-07-04
Date of Implementation 2012-02-04
Older Standard (superseded by this standard) JJG 40-2001
Quoted Standard JJF 1035-2006; GB/T 19348.1-2003; GB/T 19802-2005; JB/T 7412-1994; JB/T 7413-1994; JB/T 4730.2-2005; JB/T 5453-2004; JB/T 7902-2006
Drafting Organization Liaoning Provincial Institute of Metrology
Administrative Organization National Technical Committee of ionizing radiation measurement
Regulation (derived from) AQSIQ Announcement No. 104 of 2011
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to nominal tube voltage �� 450 kV X-ray detection machine for initial verification, testing and use of follow-up inspection.

JJG 40-2011
Verification Regulation of X-ray Flaw Detectors
State verification procedures People's Republic of China
X-ray detection machine
Issued on. 2011-07-04
2012-02-04 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
X-ray detection machine
Verification Regulation
Replacing JJG 40-2001
The regulations by the State Administration of Quality Supervision, Inspection and Quarantine approved on July 4, 2011, and from
From February 4, 2012 into effect.
Focal point. the National Technical Committee of ionizing radiation metrology
Drafting Unit. Liaoning Provincial Institute of Metrology
China Institute of Metrology
Dandong Austrian-ray machines Limited
Dalian Measurement and Testing
Shandong Province Institute of Metrology
This procedure commissioned the National Technical Committee is responsible for ionizing radiation measurement interpretation
The drafters of the regulations.
Han Zhicheng (Liaoning Provincial Institute of Metrology)
Liu Jian (Liaoning Provincial Institute of Metrology)
Zhang Hui (China Institute of Metrology)
Away from (Dandong Austrian-ray machines Limited)
Lei (Dalian Measurement and Testing)
Ren Hongwei (Shandong Province Institute of Metrology)
table of Contents
1 Scope (1)
2. Referenced Documents (1)
3 terminology and units of measurement (1)
3.1 The term (1)
3.2 units of measurement (2)
4 Overview (2)
5 metering performance requirements (2)
5.1 air kerma rate (3)
5.2 Repeatability (3)
Penetration of 5.3 (3)
5.4 Radiation angle (3)
5.5 Timer Error (3)
5.6 Radiographic sensitivity (3)
5.7 Image Resolution (3)
5.8 radiation leakage air kerma rate (3)
6 General Requirements (4)
7 control of measuring instruments (4)
7.1 test conditions (4)
7.2 Verification Project (5)
7.3 Verification Methods (5)
7.4 test result processing (8)
7.5 test cycle (8)
Appendix A penetration corresponding predetermined value (9)
Appendix B line relevant data IQI (11)
Appendix C calibration certificate (within the page) format (12)
Appendix D Notice of test results (inside page) format (13)
X-ray detection machine test procedures
1 Scope
The order applies to the rated voltage of the tube X-ray detection machine ≤450kV initial verification, subsequent verification and use
The testing.
2 Citations
The regulations cited in the following documents.
JJF1035-2006 ionizing radiation measurement terms and definitions
GB/T 19348.1-2003 destructive testing - Industrial radiographic film - Part 1. Industrial-ray film
Classification System
GB/T 19802-2005/ISO 5580. 1985 Non-destructive testing - Industrial radiographic film viewer Minimum requirements
JB/T 7412-1994 fixed (mobile) Industrial X-ray detection machine
JB/T 7413-1994 portable industrial X-ray detection machine
JB/T 4730.2-2005 pressure equipment Non-destructive testing - Part 2. ray detector
JB/T 5453-2004 industrial X-ray image intensifier television system technical conditions
JB/T 7902-2006 NDT radiographic testing linear IQI
When using this procedure, it should pay attention to using the currently valid version of the documents cited.
3 terminology and units of measurement
3.1 Terms
3.1.1 kerma K kermaK
dEtr quotient obtained by dividing dm, namely
K = dEtr/dm
Where. dEtr --- uncharged particle mass is released within a matter dm all charged particles in the initial
The sum of kinetic energy.
3.1.2 kerma rate K
dK dt divided by the quotient obtained, namely
= DK/dt
Where. dK --- dt time interval Kerma increments.
3.1.3 penetration transmisiveability
Ray through the ability of a substance thickness.
3.1.4 radiation angle radiationangle
Useful beam at any angle diffusion through the focal plane formation.
3.1.5 Radiographic sensitivity transmissionsensitivity
The minimum ratio of defective line and through the thickness of the radiographic method used to detect the direction of the measured object along the ray to
Related standard:   JJF 040-2008  JJF 040-2006
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