Table of Contents

FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Terms and definitions
4 Application of tests for non heat-dissipating
  specimens versus tests for heat-dissipating
  specimens
  4.1 General
  4.2 Ascertaining high or low air velocity in the
       test chamber
  4.3 Non heat-dissipating specimens
  4.4 Testing of heat-dissipating specimens
  4.5 Temperature monitoring
  4.6 Packaging
  4.7 Diagrammatic representations
5 Test description
  5.1 General
  5.2 Test Ab: Cold for non heat-dissipating specimens
       with gradual change of temperature
       5.2.1 Object
       5.2.2 General description
  5.3 Test Ad: Cold for heat-dissipating specimens with
       gradual change of temperature that are powered
       after initial temperature stabilization
       5.3.1 Object
       5.3.2 General description
  5.4 Test Ae: Cold for heat-dissipating specimens
       with gradual change of temperature that are required
       to be powered throughout the test
       5.4.1 Object
       5.4.2 General description
       5.4.3 Energizing the specimen
6 Test procedure
  6.1 Confirmation of performance
  6.2 Working space
  6.3 Thermal radiation
  6.4 Specimen with artificial cooling
  6.5 Mounting
  6.6 Severities
       6.6.1 Temperature
       6.6.2 Duration
  6.7 Preconditioning
  6.8 Initial measurements
  6.9 Conditioning
  6.10 Intermediate measurements
  6.11 Final temperature ramp
  6.12 Recovery
  6.13 Final measurements
7 Information to be given in the relevant
  specification
8 Information to be given in the test report

Abstract

Deals with cold tests applicable to both non heat-dissipating and heat-dissipating specimens.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 104
Supersedes	IEC 60068-2-1A : 1976