IEC 60068-2-2 : 5.0
IEC 60068-2-2 : 5.0
ENVIRONMENTAL TESTING - PART 2-2: TESTS - TEST B: DRY HEAT
International Electrotechnical Committee
ENVIRONMENTAL TESTING - PART 2-2: TESTS - TEST B: DRY HEAT
International Electrotechnical Committee
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
Describes dry heat tests applicable both to heat-dissipating and non heat-dissipating specimens.
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Committee | TC 104 |