SN EN 60068-2-2 : 2007

Cooperating organizations
National foreword
Foreword
Relationship of suffixes between Tests A: Cold, and
Tests B: Dry heat
Introduction
Section one - Test Ba: Dry heat for non heat-dissipating
specimen with sudden change of temperature
1. Object
2. General description
3. Description of test apparatus
4. Severities
5. Preconditioning
6. Initial measurements
7. Conditioning
8. Intermediate measurements
9. Recovery
10. Final measurements
11. Information to be given in the relevant specification
Section two - Test Bb: Dry heat for non heat-dissipating
specimen with gradual change of temperature
12. Object
13. General description
14. Description of test apparatus
15. Severities
16. Preconditioning
17. Initial measurements
18. Conditioning
19. Intermediate measurements
20. Recovery
21. Final measurements
22. Information to be given in the relevant specification
Section three - Test Bc: Dry heat for heat-dissipating
specimen with sudden change of temperature
23. Object
24. General description
25. Description of test apparatus
26. Severities
27. Preconditioning
28. Initial measurements
29. Conditioning
30. Intermediate measurements
31. Recovery
32. Final measurements
33. Information to be given in the relevant specification
Section four - Test Bd: Dry heat for heat-dissipating
specimen with gradual change of temperature
34. Object
35. General description
36. Description of test apparatus
37. Severities
38. Preconditioning
39. Initial measurements
40. Conditioning
41. Intermediate measurements
42. Recovery
43. Final measurements
44. Information to be given in the relevant specification
Appendices
A. Volume of test specimen
B. Nomogram for correction for ambient temperature
C. Diagrammatic representation of test with forced
     air circulation for Method A of Test Bd
D. Diagrammatic representation of test with forced
     air circulation for Test Bc and for Method B of
     Test Bd
ZA. (normative) Other international publications quoted
     in this standard with the references of the relevant
     European publications
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

Deals with dry heat tests applicable both to heat-dissipating and non heat-dissipating specimens. For non heat-dissipating specimens, Tests Bb and Bd do not deviate essentially from earlier issues.