EN 60068-2-81:2003

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

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.