GB/T 2423.57-2008 PDF EnglishUS$385.00 · In stock · Download in 9 seconds
GB/T 2423.57-2008: Environmental testing for electric and electronic products - Part 2: Tests - Test Ei: Shock - Shock response spectrum synthesis Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 2423.57-2008: Environmental testing for electric and electronic products - Part 2: Tests - Test Ei: Shock - Shock response spectrum synthesis---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT2423.57-2008 NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 19.040 K 04 GB/T 2423.57-2008 / IEC 60068-2-81:2003 Environmental testing for electric and electronic products - Part 2: Tests - Test Ei: Shock - Shock response spectrum synthesis 应谱合成 (IEC 60068-2-81:2003, IDT) ISSUED ON: MAY 19, 2008 IMPLEMENTED ON: JANUARY 01, 2009 Issued by: General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 Introduction ... 4 1 Scope ... 5 2 Normative references ... 5 3 Terms and definitions... 6 4 Requirements for test apparatus ... 12 5 Requirements for testing ... 14 6 Severities ... 16 7 Preconditioning ... 18 8 Initial measurements ... 19 9 Testing ... 19 10 Intermediate measurements ... 23 11 Recovery ... 23 12 Final measurements ... 23 13 Information to be given in the relevant specification ... 24 14 Information to be given in the test report ... 24 Annex A (informative) Test time history - General background information ... 29 Annex B (informative) Parameters for use in synthesizing a test time-history ... 33 Annex C (informative) How to synthesize a test time-history ... 38 Annex D (informative) Recommended frequency ranges for test SRS ... 43 Bibliography... 44ForewordGB/T 2423 “Environmental testing for electric and electronic products - Part 2: Tests” is divided into several parts according to the test methods. This Part is Part 57 of GB/T 2423. This part is identical to IEC 60068-2-81:2003 (Ed. 1.0) “Environmental testing - Part 2-81: Tests - Test Ei: Shock - Shock response spectrum synthesis”. For convenience of use, this Part makes the following editorial changes: a) Change the word “this part of IEC 60068” to “this part of GB/T 2423” or “this part”; b) Use the decimal point “.” to replace the comma “,” as a decimal point; c) Delete the foreword of the international standard; d) Change this part to the current name, in order to be consistent with the names of other parts of the existing GB/T 2423. Some of the normative documents cited in this part have not yet been converted into equivalent national standards, and are still listed with IEC/ISO numbers when these normative documents are cited. Appendix A, Appendix B, Appendix C and Appendix D of this part are informative annexes. This Part was proposed and managed by the National Technical Committee 8 on Environmental Conditions of Electric and Electronic Products and Environmental Test of Standardization Administration of China (SAC/TV 8). The drafting organizations of this Part: Shanghai Institute of Quality Inspection and Technical Research, The Fifth Institute of Electronics, Ministry of Information Industry, Zhongyuan Micro Instrument Co., Ltd., Shanghai Institute of Process Automation Instrumentation, Guangzhou University, Beijing University of Aeronautics and Astronautics, Shanghai Spaceflight Precision Machinery Institute, Shanghai Aerospace 808. The drafters of this Part: Lu Zhaoming, Xie He, Wang Yongqiang, Shi Xiaowen, Xu Zhonggen, Li Chuanri, Hu Weixin, Yang Chuan, Cao Xuefeng, Wang Qunjian. Environmental testing for electric and electronic products - Part 2: Tests - Test Ei: Shock - Shock response spectrum synthesis1 ScopeThis part of GB/T 2423 specifies tests using a synthesized shock response spectrum (SRS). It is intended for general application to specimens when simulation of transient excitation of a complex nature is required.2 Normative referencesThe terms in the following documents become the terms of this Part by reference to this part of GB/T 2423. For dated references, all subsequent amendments (not including errata content) or revisions do not apply to this Part. However, parties to agreements that are based on this Part are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest edition applies to this Part. GB/T 2421-1999, Environmental testing for electric and electronic products - Part 1: General and guidance (idt IEC 60068-1:1988) GB/T 2423.10-2008, Environmental testing for electric and electronic products - Part 2: Tests methods - Test Fc: Vibration (sinusoidal) (IEC 60068-2-6:1995, IDT) GB/T 2423.5-1995, Environmental testing for electric and electronic products - Part 2: Test methods - Test Ea and guidance: Shock (idt IEC 60068-2-27:1987) GB/T 2423.43-2008, Environmental testing for electric and electronic products - Part 2: Test methods - Mounting of specimens for vibration impact and similar dynamic tests (IEC 60068-2-47:1999, IDT) GB/T 2423.56-2006, Environmental testing for electric and electronic products - Part 2: Test methods - Test Fh: Vibration, broad-band random (digital control) and guidance (IEC 60068-2-64:1993, IDT) IEC 60068-2-57:1999, Environmental testing - Part 2: Tests - Test Ff: Vibration - Time-history method ISO 266:1997, Acoustics - Preferred frequencies ISO2041:1990, Vibration and shock - Vocabulary ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 2423.57-2008 be delivered?Answer: The full copy PDF of English version of GB/T 2423.57-2008 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 2423.57-2008_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 2423.57-2008_English will be deemed to be sold to your employer/organization who actually paid 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+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 2423.57-2008 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.How to buy and download a true PDF of English version of GB/T 2423.57-2008?A step-by-step guide to download PDF of GB/T 2423.57-2008_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB/T 2423.57-2008". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
