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NSAI
I.S. EN 60068-2-81:2003

I.S. EN 60068-2-81:2003

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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

Preview

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.

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

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.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
86
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
BS EN 60068-2-81:2003 Identical
DIN EN 60068-2-81:2004-07 Identical
NF EN 60068-2-81 : 2004 Identical
SN EN 60068-2-81 : 2003 Identical
UNE-EN 60068-2-81:2004 Identical
IEC 60068-2-81:2003 Identical
EN 60068-2-81:2003 Identical

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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