Table of Contents

FOREWORD
INTRODUCTION
1 Scope
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 Application of tests with sudden change of temperature
       versus tests with gradual change of temperature
  4.4 Testing of heat-dissipating specimens
  4.5 Temperature monitoring
  4.6 Packaging
  4.7 Diagrammatic representations
5 Test descriptions
  5.1 General
  5.2 Test Bb: Dry heat for non heat-dissipating specimens
       with gradual change of temperature
       5.2.1 Object
       5.2.2 General description
  5.3 Test Bd: Dry heat for heat-dissipating specimens with
       gradual change of temperature that are not powered
       during the conditioning period
       5.3.1 Object
       5.3.2 General description
       5.3.3 Energising the specimen
  5.4 Test Be: Dry heat 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
6 Test procedure
  6.1 Confirmation of performance
  6.2 Working space
  6.3 Thermal radiation
  6.4 Mounting
  6.5 Severities
       6.5.1 General
       6.5.2 Temperature
       6.5.3 Duration
  6.6 Preconditioning
  6.7 Initial measurements
  6.8 Conditioning
       6.8.1 Steady state conditions
       6.8.2 Absolute humidity
  6.9 Intermediate measurements
  6.10 Final temperature ramp
  6.11 Recovery
  6.12 Specimen with artificial cooling
  6.13 Final measurements
7 Information to be given in the relevant specification
8 Information to be given in the test report

Abstract

Describes dry heat tests applicable both to heat-dissipating and non heat-dissipating specimens.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 104