GB/T 45391-2025 English PDF

US$514.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 45391-2025: Non-destructive testing instruments - Equipment for eddy current examination - Array probe characteristics and verification
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 45391-2025	514	Add to Cart	5 days	Non-destructive testing instruments - Equipment for eddy current examination - Array probe characteristics and verification	Valid

Similar standards

GB/T 37929   GB/T 37930   GB/T 36017   GB/T 26838   GB/Z 41285.1   

Basic data

Standard ID: GB/T 45391-2025 (GB/T45391-2025)
Description (Translated English): Non-destructive testing instruments - Equipment for eddy current examination - Array probe characteristics and verification
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N78
Classification of International Standard: 19.100
Word Count Estimation: 26,262
Date of Issue: 2025-03-28
Date of Implementation: 10/1/2025
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45391-2025: Non-destructive testing instruments - Equipment for eddy current examination - Array probe characteristics and verification

---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.
ICS 19.100 CCSN78 National Standard of the People's Republic of China Nondestructive testing equipment Eddy current testing equipment Array Probe Performance and Verification Released on 2025-03-28 2025-10-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Characteristics of probes and connected components 2 4.1 General characteristics 2 4.1.1 Application 2 4.1.2 Probe Type 2 4.1.3 Connecting components 2 4.1.4 Physical properties 2 4.1.5 Security 3 4.1.6 Environmental conditions 3 4.2 Electrical Characteristics 3 4.3 Features 3 5 Inspection 3 5.1 Verification Level 3 5.2 Features to be verified 4 6 Measurement of electrical and functional characteristics of array probes 4 6.1 Electrical Characteristics 4 6.1.1 General 4 6.1.2 Measurement conditions 4 6.1.3 Coil Element Impedance 5 6.1.4 Impedance of the detection unit 5 6.1.5 Channel Configuration --- Timing 5 6.1.6 Crosstalk 5 6.2 Features 5 6.2.1 General 5 6.2.2 Measurement conditions 6 7 Surface array probe 7 7.1 Reference test block 7 7.2 Probe Scanning 8 7.3 Reference signal --- normalization 8 7.4 Edge effect (measurable in geometric shapes such as metal plates and disks) 9 7.5 Response to Slots 10 7.6 Response to Holes 10 7.7 Coverage Length 11 7.8 Variation of sensitivity between detection units 11 7.9 Minimum slot length for constant probe response 11 7.10 Lift-off Effect 11 7.11 Response of the probe to the groove after lift-off 12 7.12 Effective detection depth of near-surface grooves 12 7.13 Resolution 12 7.14 Failed array element or detection unit 12 8 Coaxial array probe 13 8.1 General Conditions 13 8.2 Reference test block 13 8.3 Reference Signal 15 8.4 Failed Array Element 15 8.5 Probe position mark (mainly used for positioning) 15 8.6 End Effects 16 8.7 Coverage Length 16 8.8 Axial response uniformity 16 8.9 Effect of eccentricity 17 8.10 Influence of Fill Rate 17 8.11 Effective penetration depth 17 8.12 Effective detection depth under cover 18 9 Influence of Connected Components 18 Appendix A (Informative) Surface Probe Resolution Simulation 19 A.1 Simulation 1 19 A.2 Simulation 2 20 A.3 Simulation 3 21

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document is equivalent to ISO 20339.2017 "Performance and verification of array probes for non-destructive testing eddy current testing equipment". The following minimal editorial changes were made to this document. --- Change the name of the standard to "Performance and inspection of array probes for non-destructive testing instruments and eddy current testing equipment". Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Machinery Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Testing Machines (SAC/TC122). This document was drafted by. Edelson (Xiamen) Electronics Co., Ltd., Liaoning Instrument Research Institute Co., Ltd., China Railway Science Research Institute Institute of Metal Research, Chinese Academy of Sciences, Nanchang Hangkong University, Xiamen University, Steel Research Institute Nake Testing Technology Co., Ltd., Shandong Zhengda Testing Technology Co., Ltd., China Special Equipment Testing and Research Institute, Shenyang University of Technology, Guoneng Boiler and Pressure Vessel Inspection Co., Ltd. Guangdong Special Equipment Testing and Research Institute, Harbin Xinming Technology Co., Ltd., Sichuan University, Guangxi Zhuang Autonomous Region Special Equipment Inspection and Research Institute Research Institute, Nanjing Bokena Automation System Co., Ltd., Zhongxing Hailu Engineering Co., Ltd., China Machinery Testing Equipment Co., Ltd., Shandong University Xue, Hunan Changda Testing Co., Ltd. The main drafters of this document are. Lin Junming, Zeng Zhiwei, Cai Guixi, Song Kai, Huang Fengying, Wang Lin, Wang Yating, Cheng Lei, Zhang Jianwei, Hu Bin, Huang Ping, Chen Feng, Na Risu, Li Xufeng, Wu Jianbo, Liu Weifeng, Wang Chunqiang, Liu Guanglei, Zheng Fuyin, Ren Xia, Sun Shenghui, Zhang Yuhuan, Wang Yong, Tong Weihua. Nondestructive testing equipment Eddy current testing equipment Array Probe Performance and Verification

1 Scope

This document specifies the functional characteristics of eddy current array probes and their connected components and provides measurement and verification methods. Evaluation of these characteristics allows eddy current array probes to be clearly described and compared. Where necessary, this document recommends acceptance criteria for characteristics.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. ISO 12718 Non-destructive testing - Eddy current testing - Vocabulary lary) Note. GB/T 12604.6-2021 Non-destructive testing terminology Eddy current testing (ISO 12718.2019, IDT) ISO 15548-1 Non-destructive testing Eddy current testing equipment Part 1.Instrument performance and verification (Non-destructivetesting- Note. GB/T 14480.1-2015 Non-destructive testing instruments Eddy current testing equipment Part 1.Instrument performance and verification (ISO 15548-1.2008, IDT) ISO 15548-2.2013 Non-destructive testing Eddy current testing equipment Part 2.Probe performance and verification Note. GB/T 14480.2-2015 Non-destructive testing instruments Eddy current testing equipment Part 2.Probe performance and inspection (ISO 15548-2.2008, IDT)

3 Terms and definitions

For the purpose of this document, the terms and definitions defined in ISO 12718 and the following apply. 3.1 Element A single physical element (such as a coil, giant magnetoresistance, or Hall element) that has a basic function (excitation or reception). 3.2 Detection unit pattern A single physical and electronic operating mode consisting of elements operating simultaneously. 3.3 Sequencing The activation sequence of the detection unit. 3.4 Threshold The lowest acceptable sensitivity value specified in the application documentation. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 45391-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 45391-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 45391-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 45391-2025_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. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.