Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions
4 Environmental classes
  4.1 Class 7.1: Temperature controlled locations
  4.2 Class 7.2: Partly temperature-controlled
                 locations
  4.3 Class 7.3: Partly weatherprotected and
                 non-weatherprotected locations
  4.4 Class 7.3 E: Partly weatherprotected and
                   non-weatherprotected locations -
                   extended
5 Environmental conditions
  5.1 Climatic conditions
  5.2 Biological conditions
  5.3 Chemically active substances
  5.4 Mechanically active substances
  5.5 Mechanical conditions
History

Abstract

Defines the classes of environmental conditions and their severities to which equipment may be exposed. Includes only severe conditions that may be harmful to the equipment. Applies to equipment during portable and non-stationary use including periods of transfer, down time, repair and maintenance.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	EE 1
Supersedes	PRETS 300 019-A : APR 90