IEC 60721-3-6:1987

FOREWORD
PREFACE
Clause
1. Scope
2. Object
3. General
4. Classification of groups of environmental parameters
   and their severities
TABLE I - Classification of climatic conditions
TABLE II - Classification of biological conditions
TABLE III - Classification of chemically active substances
TABLE IV - Classification of mechanically active substances
TABLE V - Classification of mechanical conditions
FIGURE
APPENDIX A - Summary of conditions covered by the classes

Classifies groups of environmental parameters and their severities to which a product is subjected when installed aboard a ship. Ships where products may be permanently or temporarily installed include ships propelled by mechanical means and ships not propelled by mechanical means. The contents of the corrigendum of September 1987 have been included in this copy.