IEC 60334-1:1970
Withdrawn
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Air dielectric rotary variable capacitors. Part 1: General requirements for tests and measuring methods
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
07-23-2013
English - French, Russian
01-01-1970
Foreword
Section One - General
1. Scope
2. Object
3. Terminology
4. Classification into categories
5. Marking
6. IEC type designation
Section Two - General Requirements for Tests and Measuring
Methods
7. Standard atmospheric conditions for testing
8. Methods of test or measurement
9. Test sample
10. Schedule for type tests
11. Visual inspection
12. Dimensions
13. Capacitance
14. Backlash (for Type A only)
15. Tangent of the loss angle
16. Insulation resistance
17. Voltage proof
18. Rotor contact resistance
19. Temperature coefficient
20. Capacitance drift
21. Rapid change of temperature (Grade 1 only)
22. Operating torque
23. Locking (Grade 1 only)
24. Locking torque proof (Grade 1 only)
25. End stop torque
26. End thrust and axial pull
27. Side thrust (Types A and B only)
28. Robustness of termination (not applicable to tags for
printed wiring)
29. Soldering
30. Bumping and shock
31. Vibration
32. Climatic sequence
33. Damp heat (steady state)
34. Corrosion
35. Endurance
36. Sealing (normal conditioning) (Grade 1, sealed capacitors
only)
37. Sealing (extended conditioning) (Grade 1, sealed capacitors
only)
Appendix A - Guide to the use and testing of air dielectric
rotary variable capacitors
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