• 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

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    Published date:  10-10-2003

    Publisher:  European Committee for Standards - Electrical

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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)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee CLC/SR 104
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS EN 60068-2-47:2005 Environmental testing Tests. Mounting of specimens for vibration, impact and similar dynamic tests
    EN 60068-2-47:2005 Environmental testing - Part 2-47: Tests - Mounting of specimens for vibration, impact and similar dynamic tests
    BS EN 60068-2-27:2009 Environmental testing Tests. Test Ea and guidance. Shock
    EN 60068-2-27:2009 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock

    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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