• I.S. EN 60068-2-81:2003

    Current The latest, up-to-date edition.

    ENVIRONMENTAL TESTING - PART 2-81: TESTS - TEST EI: SHOCK - SHOCK RESPONSE SPECTRUM SYNTHESIS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2003

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Requirements for test apparatus
       4.1 Basic motion
       4.2 Cross-motion
       4.3 Signal tolerance
       4.4 Measuring system
    5 Requirements for testing
       5.1 Test control
       5.2 Tolerances on SRS
       5.3 Calculation of test SRS
       5.4 Algorithms for calculation of SRS
       5.5 Test frequency range
       5.6 Mounting
    6 Severities
       6.1 Required SRS
       6.2 Duration of the synthesized time-history
       6.3 Number of repetitions
       6.4 Test frequency range
       6.5 Number of high peaks in a calculated response
           time-history of a single degree-of-freedom system
    7 Preconditioning
    8 Initial measurements
    9 Testing
       9.1 General
       9.2 Vibration response investigation
       9.3 Synthesis of the test time-history
       9.4 Testing with synthesized test time-histories
    10 Intermediate measurements
    11 Recovery
    12 Final measurements
    13 Information to be given in the relevant specification
    14 Information to be given in the test report
    Annex A (informative) Test time history - General background
             information
    Annex B (informative) Parameters for use in synthesizing a test
             time-history
    Annex C (informative) How to synthesize a test time-history
    Annex D (informative) Recommended frequency ranges for test SRS
    Annex ZA (normative) Normative references to international
             publications with their corresponding European
             publications
    Bibliography
    Figures
    Tables

    Abstract - (Show below) - (Hide below)

    Describes 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.

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    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 60068-2-57:2013 Environmental testing - Part 2-57: Tests - Test Ff: Vibration - Time-history and sine-beat method
    IEC 60068-1:2013 Environmental testing - Part 1: General and guidance
    IEC 60068-2-27:2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
    MIL-STD-810 Revision G:2008 ENVIRONMENTAL ENGINEERING CONSIDERATIONS AND LABORATORY TESTS
    ISO 266:1997 Acoustics — Preferred frequencies
    EN 60068-1:2014 Environmental testing - Part 1: General and guidance
    IEC 60068-2-57:2013 Environmental testing - Part 2-57: Tests - Test Ff: Vibration - Time-history and sine-beat method
    EN 60068-2-64:2008 ENVIRONMENTAL TESTING - PART 2-64: TESTS - TEST FH: VIBRATION, BROADBAND RANDOM AND GUIDANCE
    IEC 60068-2-64:2008 Environmental testing - Part 2-64: Tests - Test Fh: Vibration, broadband random and guidance
    EN 60068-2-27:2009 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock
    ISO 2041:2009 Mechanical vibration, shock and condition monitoring Vocabulary
    IEC 60068-2-47:2005 Environmental testing - Part 2-47: Test - Mounting of specimens for vibration, impact and similar dynamic tests
    EN 60068-2-6:2008 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)
    EN 60068-2-47:2005 Environmental testing - Part 2-47: Tests - Mounting of specimens for vibration, impact and similar dynamic tests
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