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
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications