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Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 15208.2-2018: Micro-dose X-ray security inspection system -- Part 2: Transmission baggage security inspection system Status: Valid GB 15208.2: Historical versions
Basic dataStandard ID: GB 15208.2-2018 (GB15208.2-2018)Description (Translated English): Micro-dose X-ray security inspection system -- Part 2: Transmission baggage security inspection system Sector / Industry: National Standard Classification of Chinese Standard: A91 Classification of International Standard: 13.310 Word Count Estimation: 36,345 Date of Issue: 2018-11-19 Date of Implementation: 2019-12-01 Older Standard (superseded by this standard): GB/T 15208.2-2006 Regulation (derived from): National Standard Announcement No. 15 of 2018 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB 15208.2-2018: Micro-dose X-ray security inspection system -- Part 2: Transmission baggage security inspection 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. Micro-dose X-ray security inspection system--Part 2. Transmission baggage security inspection system ICS 13.310 A91 National Standards of People's Republic of China Replace GB/T 15208.2-2006 Micro-dose X-ray safety inspection equipment Part 2. Transmissive bag security inspection equipment Part 2. Transmissionbaggagesecurityinspectionsystem Published on.2018-11-19 2019-12-01 implementation State market supervision and administration China National Standardization Administration issued ContentForeword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General technical requirements 2 5 Test method 5 6 Inspection rules 8 7 Packaging, labeling, storage and transportation 9 8 Random technical documents 10 Appendix A (Normative Appendix) Test Body 11 Appendix B (Normative) Peripheral Equivalent Rate Test scatterer 30 Appendix C (informative) Test image evaluation record table 31ForewordAll technical content in this section is mandatory. GB 15208 "Micro Dose X-ray Safety Inspection Equipment" is divided into the following five parts. --- Part 1. General technical requirements; --- Part 2. Transmissive bag security inspection equipment; --- Part 3. Transmissive cargo safety inspection equipment; --- Part 4. Human body safety inspection equipment; --- Part 5. Backscattering items safety inspection equipment. This part is the second part of GB 15208. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 15208.2-2006 "Micro Dose X-ray Safety Inspection Equipment Part 2. Test Body". versus The main technical changes compared with GB/T 15208.2-2006 are as follows. --- Revised scope (see Chapter 1); --- Added normative references (see Chapter 2); ---Added 12 terms and definitions (see Chapter 3); --- Added general technical requirements (see Chapter 4); --- Increased test methods (see Chapter 5); --- Added inspection rules (see Chapter 6); --- Increased packaging, marking, storage and transportation (see Chapter 7); --- Added random technical documentation (see Chapter 8); --- Modified the test body (see Appendix A, Chapter 4 of the.2005 edition); --- Increased ambient dose equivalent rate test scatterers (see Appendix B); --- Added test image evaluation record table (see Appendix C). This part is proposed and managed by the Ministry of Public Security of the People's Republic of China. This section drafted by. the First Institute of the Ministry of Public Security, Beijing Zhongduan Anmin Analysis Technology Co., Ltd., China Civil Aviation Science and Technology Research Institute, Tongfang Weishi Technology Co., Ltd., National Security and Alarm System Product Quality Supervision and Inspection Center (Beijing), National Security Alarm System Product Quality Supervision and Inspection Center (Shanghai), Shanghai Gaojing Imaging Technology Co., Ltd. The main drafters of this section. Li Peibin, Li Yongqing, Zhao Lei, Xing Wei, Chen Yu, Tao Lei, Zhang Jinyu, Liu Caixia, Peng Ningyu, Zhao Yue, Wang Lei, Wang Qiang, Niu Yujie. The previous versions of the standards replaced by this section are. ---GB/T 15208.2-2006. Micro-dose X-ray safety inspection equipment Part 2. Transmissive bag security inspection equipment1 ScopeThis part of GB 15208 specifies the general technical requirements, test methods, inspection rules, packaging, and Marking, storage and transportation as well as random technical documentation. This section applies to the design, manufacture, assembly, acceptance and use of various transmissive bag safety inspection equipment. Note. The height and width of the inlet section of any of these equipment inspection channels are less than 1.1m. This section does not apply to computed tomography (CT), electron accelerators, and X-ray generating devices with energy greater than 500 keV. Radiation safety inspection equipment.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 15208.1-2018 Micro-dose X-ray safety inspection equipment - Part 1. General technical requirements3 Terms and definitionsThe following terms and definitions defined in GB 15208.1-2018 apply to this document. 3.1 Line resolution wiredisplay The ability of the device to resolve a single solid copper wire. Note. Generally indicated by the nominal diameter (mm) of the wire. 3.2 Penetration resolution usefulpenetrationresolution The device distinguishes the ability of a single solid copper wire under the specified thickness of the alloy aluminum step. Note. Generally indicated by the nominal diameter (mm) of the wire. 3.3 Penetration force simplepenetration The ability of the device to penetrate the object being examined. Note. Generally, it is expressed by the thickness (mm) of the steel plate. 3.4 Wire pair linepair A group of metal wires arranged evenly, the spacing between the two wires being the same as the diameter of the wires. Note. The nominal diameter (mm) of the general line indicates the specification of the pair. 3.5 Spatial resolution The ability of the device to resolve pairs. Note. Generally indicated by the nominal diameter (mm) of the wire. 3.6 Grayscale resolution grayleveldifferentiation The ability of the device to distinguish the same material and different thickness of the object to be inspected. Note. Generally, it is expressed by the number of steps of the separable alloy aluminum step. 3.7 Organic matter distinguishing organicdifferentiation The ability of the device to resolve equivalent organic matter. Note. Generally expressed in terms of the thickness of the step of distinguishable organic matter. 3.8 Inorganic distinguishing inorganicdifferentiation The ability of the device to resolve equivalent inorganics. Note. Generally expressed in terms of the thickness of the resolvable steel step. 3.9 Mixture resolution mixeddifferentiation The ability of the device to resolve equivalent mixtures. Note. Generally expressed in terms of the thickness of the separable alloy aluminum step. 3.10 Material discrimination materialdifferentiation The device resolves the ability to have different equivalent atomic number materials. 3.11 Effective material distinguishing usefulmaterialdifferentiation The device resolves the ability to have different equivalent atomic number materials under the specified thickness steel step. 3.12 Transmissive bag security inspection equipment transmissionbaggagesecurityinspectionsystem Transmissive micro-agent for checking baggage and parcels, and any one of the inspection channel inlet sections with a height and width less than 1.1 m X-ray safety inspection equipment.4 General technical requirements4.1 Performance indicators 4.1.1 Overview Transmissive bag-type security inspection equipment (hereinafter referred to as equipment) with multiple transmission angles, the performance index of any one of the viewing angles should be Meet the requirements of 4.1, and use the worst value of each test result from each perspective as the performance index of the equipment; the design with multiple inspection channels The performance index of any one of the inspection channels should meet the requirements of 4.1, and the worst value of each test result of each inspection channel is used. This performance indicator of the device. When performing the test of 4.1.2~4.1.11, the tube voltage, tube current, total filtration, etc. of the X-ray generator shall be maintained. The parameters are unchanged. 4.1.2 Line resolution Should be able to distinguish the minimum single solid copper wire diameter requirements, see Table 1. Table 1 Line resolution index is required to be in millimeters Level I Level II Line resolution 0.203 0.102 4.1.3 Penetration resolution Should be able to resolve the requirements of the minimum single solid copper wire diameter under the 9.5mm, 15.9mm and 22.2mm alloy aluminum steps, see Table 2. Table 2 Penetration resolution indicators are required to be in millimeters Level I Level II Penetration resolution 0.511 0.254 4.1.4 Spatial resolution Should be able to distinguish the minimum line diameter requirements, see Table 3. Table 3 Spatial resolution indicators are required to be in millimeters Level I Level II Spatial resolution 1.6 1.0 4.1.5 Penetration Should be able to distinguish the requirements of the thickness of the thinnest steel plate, see Table 4. Table 4 penetration force requirements are in millimeters Level I Level II Level III Penetration 15 27 38 4.1.6 Organic matter resolution (for multi-energy spectrum equipment) It should be able to distinguish organic ladders with thicknesses ranging from 1mm to 120mm and impart orange with different saturations. 4.1.7 Grayscale resolution It should be able to distinguish the aluminum step of the alloy with a thickness ranging from 1mm to 60mm and a thickness difference of not less than 1mm. 4.1.8 Mixture resolution (for multi-energy spectrum equipment) It should be able to distinguish the aluminum step of the alloy with a thickness ranging from 1mm to 60mm and give green with different saturation. 4.1.9 Inorganic resolution (for multi-energy spectrum equipment) It should be able to distinguish steel steps with thicknesses ranging from 0.2mm to 14mm and impart blue with different saturations. 4.1.10 Material resolution (for multi-energy spectrum equipment) It should be able to distinguish three material samples with different equivalent atomic numbers and give the PVC board green, giving the analog board and nylon 6 board Orange. 4.1.11 Effective material resolution (for multi-energy spectrum equipment) It should be able to distinguish three kinds of materials with different equivalent atomic numbers behind the three thickness steel plates of 1.5mm, 2.0mm and 2.5mm. Ben, and give green and blue respectively; should be able to distinguish 6 of the 9 areas of test card 10 in test body B in Appendix A. 4.1.12 Conveying device Meet the following requirements. a) The conveying speed under inspection should be greater than or equal to 0.19m/s; b) The conveyor belt should run in the forward and reverse directions. --- Within 10 minutes of continuous continuous operation, the lateral displacement is less than or equal to 5mm; --- In the reverse continuous operation for 30s, the lateral displacement is less than or equal to 10mm. 4.2 Radiation and environmental safety indicators 4.2.1 Single dose check Should comply with the provisions of 5.2.1 of GB 15208.1-2018. 4.2.2 Peripheral dose equivalent rate Should comply with the provisions of 5.2.2 of GB 15208.1-2018. 4.2.3 Equipment noise Should comply with the provisions of 5.2.3 of GB 15208.1-2018. 4.3 Operating environment 4.3.1 Working environment conditions Should comply with the provisions of 5.3.1 of GB 15208.1-2018. 4.3.2 Power Adaptability Should comply with the provisions of 5.3.2 of GB 15208.1-2018. 4.4 Security performance Should comply with the provisions of 5.4 of GB 15208.1-2018. 4.5 Mechanical structure Should comply with the provisions of 5.5 of GB 15208.1-2018. 4.6 Electromagnetic compatibility Should comply with the provisions of 5.6 of GB 15208.1-2018. 4.7 Anti-shock Should comply with the provisions of 5.7 of GB 15208.1-2018. 4.8 Anti-mechanical danger Should comply with the provisions of 5.8 of GB 15208.1-2018. 4.9 Preventing the spread of flame Should comply with the provisions of 5.9 of GB 15208.1-2018. 4.10 Temperature limit and heat resistance Should comply with the provisions of 5.10 of GB 15208.1-2018. 4.11 Environmental adaptability Should comply with the provisions of 5.11 of GB 15208.1-2018. 4.12 Functional requirements Should comply with the provisions of 5.12 of GB 15208.1-2018.5 Test methods5.1 Environmental requirements Should comply with the provisions of 6.1 of GB 15208.1-2018. 5.2 Main instruments and tools for testing Should comply with the provisions of 6.2 of GB 15208.1-2018. Test body A and test body B. See Appendix A. Scatter. See Appendix B. 5.3 Performance Indicator Test 5.3.1 Overview The placement and orientation of the test body depends on the relative position of the X-ray generating device and the detector. The test body plane should be vertical In the direction of ray emission, and placed as close as possible to the X-ray generating device to obtain the best test body image. In addition, image processing is allowed The function achieves the best evaluation results. The test results should be recorded in the format of Appendix C. 5.3.2 Line resolution test Place the test body A in the inspection area, start and complete the scan, and visually measure the X-ray pattern of the test card 1 in the test body A on the display. For example, the device is tested for the ability of a single solid copper wire in the background of the test body, and the result is in accordance with the requirements of 4.1.2. Note. If you can see most of the wires that are not obstructed by the aluminum step of the alloy, you can think that the device can distinguish the wire. 5.3.3 Penetration resolution test Place the test body A in the inspection area, start and complete the scan, and visually measure the X-ray pattern of the test card 2 in the test body A on the display. For example, the equipment is tested for the ability to separate a single solid copper wire under the alloy aluminum step, and the result is in accordance with the requirements of 4.1.3. Note. If you can see most of the metal wire blocked by the aluminum alloy step, you can think that the device can distinguish the metal wire. 5.3.4 Spatial resolution test Place the test body A in the inspection area, start and complete the scan, and visually measure the X-ray image of the test card 3 in the test body A on the display. The device is tested for the ability to resolve the wire pair and determine whether the result meets the requirements of 4.1.4. Note. If all four metal lines of the horizontal and vertical pairs are completely separated, the device can be considered to be able to resolve the pair. 5.3.5 Penetration test Experiment with the following. a) Place the test body A in the inspection area, start and complete the scan, and visually inspect the X-ray of the test card 4 in the test body A on the display. Image, the ability to penetrate the steel plate of the equipment, the maximum digital value of the steel step corresponding to the three-quarter round lead That is, the thickness of the steel plate can be penetrated by the equipment, and the judgment result meets the requirements of 4.1.5; Note. If the majority of the three-quarters of the lead blocks blocked by the steel plate can be seen and the direction of the notch can be distinguished, the device can be considered to penetrate the steel step. b) Observe the warning information of the multi-energy spectrum equipment on the impervious area, and determine whether the result complies with GB 15208.1-2018 5.4.1g) requirements. 5.3.6 Organic matter discrimination test Place the test body B in the inspection area, start and complete the scan, and visually test the X of the test card 5 and the test card 6 in the test body B on the display. The radiographic image determines whether the result meets the requirements of 4.1.6. Note. If the adjacent steps of the organic ladder sample can be distinguished and can give orange to different saturations, the device can be considered to be distinguishable. 5.3.7 Grayscale/mixture resolution test The test body B is placed in the inspection area, the scan is started and completed, and the X-ray image of the test card 7 in the test body B on the display is visually observed. Observe the number of steps of the resolved aluminum step and the color of the step, and determine whether the results meet the requirements of 4.1.7 and 4.1.8. Note. For single-energy spectrum equipment, if the adjacent steps of the alloy aluminum step sample can be distinguished and can be given different gray levels, the device can be considered to be distinguishable; For multi-energy spectroscopy equipment, equipment can be considered if the adjacent steps of the alloy aluminum step sample can be distinguished and can be given different saturation green Can distinguish. 5.3.8 Inorganic resolution test The test body B is placed in the inspection area, the scan is started and completed, and the X-ray image of the test card 8 in the test body B on the display is visually observed. Determine whether the result meets the requirements of 4.1.9. Note. If the adjacent steps of the steel step sample can be distinguished and can be given a different shade of blue, the device can be considered to be distinguishable. 5.3.9 Material Resolution Test The test body B is placed in the inspection area, the scan is started and completed, and the X-ray image of the test card 9 in the test body B on the display is visually observed. Determine whether the result meets the requirements of 4.1.10. Note. If the sample images are rendered in the same grayscale, different colors, the device can be considered to be able to resolve these samples. 5.3.10 Effective material resolution test The test body B is placed in the inspection area, the scan is started and completed, and the X-ray pattern of the test card 10 in the test body B on the display is visually observed. For example, observe the number of distinguishable regions and determine whether the results meet the requirements of 4.1.11. Note. If the sample area that is obscured by the steel step can be distinguished from the change in color, the device is considered to be able to distinguish this area. 5.3.11 Conveyor test Follow the steps below to experiment. a) Under the minimum conveying speed of the conveying device in the inspection state, run at no load, test the unit time travel of the conveying device, calculate Conveying speed, whether the judgment result meets the requirements of 4.1.12a); b) Continuously run forward for 10 minutes under the maximum conveying speed of the conveying device in the inspection state, and judge whether the result is consistent Requirements of 4.1.12b); c) Continuously reverse the operation for 30 s at the maximum conveying speed of the conveying device in the inspection state, and determine whether the result complies with 4.1.12b) Requirements. 5.4 Radiation and environmental safety indicators test 5.4.1 Single dose test Place the center of the radiation sensitive component of the dosimeter in the horizontal center of the surface of the conveyor in the inspection channel, as per The test method specified in 6.3.1 of GB 15208.1-2018 tests the equipment and determines whether the result meets the requirements of 4.2.1. 5.4.2 Peripheral Equivalent Rate Test When the conveying device is stationary, the scatterer with the same number of ray bundles (see Appendix B) is placed in the inspection channel. The horizontal center of the surface, each scatterer is illuminated by a beam of radiation, and the 300×300 plane of the scatterer is parallel to the ray Beam direction. Test the equipment according to the test method specified in 6.3.2 of GB 15208.1-2018, and determine whet......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 15208.2-2018_English be delivered?Answer: Upon your order, we will start to translate GB 15208.2-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 15208.2-2018_English with my colleagues?Answer: Yes. The purchased PDF of GB 15208.2-2018_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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