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PD IEC TR 60721-4-7:2001

Current
Current

The latest, up-to-date edition.

Classification of environmental conditions. Guidance for the correlation and transformation of environmental condition classes of IEC 60721-3 to the environmental tests of IEC 60068 Portable and non-stationary use
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

26-09-2003

FOREWORD
INTRODUCTION
1 Scope and object
2 Reference documents
3 Overview
  3.1 General remarks concerning IEC 60721
  3.2 General remarks concerning IEC 60068
  3.3 Severities
  3.4 Recommended tests
  3.5 Dynamic considerations
  3.6 Environmental tests for portable and
      non-stationary use
  3.7 Test durations
  3.8 Ambient
4 Climatic conditions
5 Dynamic conditions
Annex A Portable use - Climatic conditions
Tables

Deals with the correlation and transformation of the conditions given in IEC 60721-3-7 to the environmental tests defined in IEC 60068-2. Also aims to provide the specification writer with guidance, together with a set of easy-to-use tables which correlate and transform these conditions.

This part of IEC60721 is a technical report dealing with the correlation and transformation of the conditions given in IEC60721‑3‑7 to the environmental tests defined in IEC60068‑2.

An environment may consist of a number of environmental conditions such as dynamic, climatic and biological and other effects due to chemically and mechanically active substances. In this report, only dynamic and climatic conditions have been considered.

The purpose of this technical report is to provide the specification writer with guidance, together with a set of easy-to-use tables which correlate and transform these conditions.

Committee
GEL/104
DevelopmentNote
Also numbered as IEC TR 60721-4-7 Supersedes 98/261633 DC (03/2002) Supersedes 00/241975 DC (10/2003)
DocumentType
Standard
Pages
42
PublisherName
British Standards Institution
Status
Current
Supersedes

IEC 60068-2-5:2010 Environmental testing - Part 2-5: Tests - Test Sa: Simulated solar radiation at ground level and guidance for solar radiation testing
IEC 60068-2-18:2017 Environmental testing - Part 2-18: Tests - Test R and guidance: Water
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
IEC 60068-2-13:1983 Basic environmental testing procedures - Part 2-13: Tests - Test M: Low air pressure
IEC 60721-3-7:1995+AMD1:1996 CSV Classification of environmental conditions - Part 3-7: Classification of groups of environmental parameters and their severities - Portable and non-stationary use
ISO 2533:1975 Standard Atmosphere
IEC 60068-2-31:2008 Environmental testing - Part 2-31: Tests - Test Ec: Rough handling shocks, primarily for equipment-type specimens
IEC 60068-2-64:2008 Environmental testing - Part 2-64: Tests - Test Fh: Vibration, broadband random and guidance
IEC 60068-2-2:2007 Environmental testing - Part 2-2: Tests - Test B: Dry heat
IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations
IEC 60721-2-4:1987+AMD1:1988 CSV Classification of environmental conditions - Part 2-4: Environmental conditions appearing in nature - Solar radiation and temperature
ISO 554:1976 Standard atmospheres for conditioning and/or testing — Specifications
IEC 60068-2-1:2007 Environmental testing - Part 2-1: Tests - Test A: Cold
IEC 60068-2-55:2013 Environmental testing - Part 2-55: Tests - Test Ee and guidance - Loose cargo testing including bounce
IEC 60068-2-14:2009 Environmental testing - Part 2-14: Tests - Test N: Change of temperature
IEC 60721-2-3:2013 Classification of environmental conditions - Part 2-3: Environmental conditions appearing in nature - Air pressure
IEC 60068-2-56:1988 Environmental testing - Part 2: Tests. Test Cb: Damp heat, steady state, primarily for equipment
IEC 60068-2-30:2005 Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle)

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