EN 60255-21-3:1995

FOREWORD
1 Scope and object
2 Normative references
3 Definitions
  3.1 Single axis sine sweep seismic test
  3.2 Biaxial test
  3.3 Biaxial multi-frequency random seismic test
  3.4 Standard response spectrum
  3.5 Damping
  3.6 Zero period acceleration
  3.7 Random motion sample
  3.8 Time-history
  3.9 Strong part of the time-history
4 Requirements for single axis sine sweep seismic
  test (method A)
  4.1 Main parameters
  4.2 Test apparatus and mounting
  4.3 Test severity classes
5 Requirements for biaxial multi-frequency random
  seismic test (method B)
  5.1 Main parameters
  5.2 Test apparatus and mounting
  5.3 Test severity classes
  5.4 Biaxial conditioning
6 Selection of test severity classes
  6.1 Recommendations for selection of test classes
  6.2 identification of test method and severity class
7 Test procedures
8 Criteria for acceptance
Annex A (informative) Seismic tests choice criteria
ANNEX ZA (normative) OTHER INTERNATIONAL PUBLICATIONS QUOTED
                       IN THIS STANDARD WITH THE REFERENCES OF
                       THE RELEVANT EUROPEAN PUBLICATIONS