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GB/T 45571-2025 English PDF

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GB/T 45571-2025: General specification for linear accelerometers
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 45571-2025	English	1099	Add to Cart	7 days [Need to translate]	General specification for linear accelerometers	Valid	GB/T 45571-2025

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Basic data

Standard ID	GB/T 45571-2025 (GB/T45571-2025)
Description (Translated English)	General specification for linear accelerometers
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	V25
Classification of International Standard	49.045
Word Count Estimation	54,531
Date of Issue	2025-04-25
Date of Implementation	2025-08-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 45571-2025: General specification for linear accelerometers

---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 49.045 CCSV25 National Standard of the People's Republic of China General technical specifications for linear accelerometers Released on 2025-04-25 2025-08-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Technical requirements 4 4.1 Design requirements 4 4.2 General characteristic requirements 6 4.3 Performance requirements 7 4.4 Reliability Requirements 12 4.5 Environmental adaptability requirements 13 5 Test methods 14 5.1 Test conditions 14 5.2 General characteristics inspection 15 5.3 Performance requirements test 16 5.4 Reliability test 22 5.5 Environmental adaptability 22 6 Inspection Rules 25 6.1 Inspection categories 25 6.2 Identification and testing 25 6.3 Quality consistency inspection 28 7 Marking, packaging, transportation and storage 29 7.1 Signs 29 7.2 Packaging 29 7.3 Transport 29 7.4 Storage 29 Appendix A (Informative) Working Principle and Mathematical Model of Pendulum Linear Accelerometer 30 A.1 Complete mathematical model of pendulum linear accelerometer 30 A.2 Simplified model of pendulum linear accelerometer 31 Appendix B (Informative) Typical Field Line Accelerometer Product Characteristics 33 B.1 Typical linear accelerometer product features for aerospace applications 33 B.2 Typical linear accelerometer product characteristics for aviation applications 35 B.3 Product characteristics of typical linear accelerometers used in the marine field 37 B.4 Typical linear accelerometer product characteristics for vehicle applications 39 B.5 Typical linear accelerometer product characteristics for the oil field 40 B.6 Characteristics of Typical Linear Accelerometers for Geology 41 Appendix C (Informative) Linear Accelerometer Test Principle and Working Model 43 Appendix D (Informative) Linear Accelerometer Temperature Model 44 D.1 Accelerometer temperature model 44 D.2 Accelerometer temperature model matrix expression 44 Appendix E (Informative) Linear Accelerometer Centrifugal Model 45 E.1 Accelerometer Centrifugal Model 45 E.2 Accelerometer centrifugal correction model 45 References 46

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. 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 and coordinated by the National Technical Committee for Standardization of Aerospace Technology and Its Applications (SAC/TC425). This document was drafted by. Beijing Automation Control Equipment Research Institute, Beijing Aerospace Control Instrument Research Institute, Aerospace Science and Industry Inertial Technology Co., Ltd. Company, Tsinghua University, AVIC Xi'an Flight Automatic Control Research Institute, Tianjin Navigation Instrument Research Institute, Harbin Institute of Technology, Xi'an Aerospace Institute of Precision Electromechanical Engineering, China Aerospace Standardization Institute, China National Institute of Standardization, Nanjing University of Science and Technology, Southeast University, Zhijiang Laboratory, Institute of Electronic Engineering Design, China Academy of Engineering Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, and Beijing University of Aeronautics and Astronautics. The main drafters of this document are. Yu Xiangtao, Zhang Chunjing, Wei Chao, Peng Zhenxin, Han Fengtian, Zhang Xiwen, Nie Luyan, Wei Jilin, Ren Shunqing, Fu Xiujuan, Xu Guodong, Zhang Yuhang, Li He, Yang Xingmin, Li Ping, Han Xu, Zhang Jing, Huang Libin, Du Ruijuan, Tian Feng, Ma Sai, Cheng Yue, Liu Rui, Wu Nan, Yu Hao, Gu Wenhua, Chen Xuedong, Xue Xu, Ran Longjun, Tang Li, Zhou Xiaojun. General technical specifications for linear accelerometers

1 Scope

This document specifies the technical requirements, inspection rules and marking, packaging, transportation and storage of linear accelerometers, and describes the corresponding test methods. This document is applicable to linear accelerometers used in aerospace, aviation, shipbuilding, vehicles, petroleum, geology and other fields.

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. GB/T 191 Packaging, storage and transportation marks GB/T 2423.1 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature GB/T 2423.2 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature GB/T 2423.3 Environmental testing Part 2.Test method Test Cab. Steady state damp heat test GB/T 2423.5 Environmental testing Part 2.Test method Test Ea and guidance. Impact GB/T 2423.15 Environmental testing for electric and electronic products Part 2.Test method Test Ga and guidance. Steady-state acceleration GB/T 2423.16 Environmental testing for electric and electronic products Part 2.Test methods Test J and guidance. Mildew growth GB/T 2423.17 Environmental testing for electric and electronic products Part 2.Test methods Test Ka. Salt spray GB/T 2423.21 Environmental testing procedures for electric and electronic products Part 2.Test methods Test M. Low pressure GB/T 2423.22 Environmental testing Part 2.Test method Test N. Temperature change GB/T 2423.27 Environmental testing Part 2.Test methods Test methods and guidance. Temperature/low pressure or temperature/humidity/low Air pressure comprehensive test GB/T 2423.56 Environmental testing Part 2.Test methods Test Fh. Broadband random vibration and guidance GB/T 4937.18 Mechanical and climatic test methods for semiconductor devices Part 18.Ionizing radiation (total dose) GB/T 13983 Basic terms for instruments and meters GB/T 32304 Requirements for electrostatic protection of aerospace electronic products GB/T 34522 Spacecraft thermal vacuum test method

3 Terms and definitions

The terms and definitions defined in GB/T 13983 and the following apply to this document. 3.1 Accelerometer An inertial sensor that measures linear or angular acceleration. 3.2 Compare specific force The vector sum of the inertial force and the gravitational force acting on unit mass.

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