BS 7741(1994) : AMD 8959

Committees responsible
National foreword
Section 1. General
1. Scope
2. Normative references
3. Definitions
4. Classification
Section 2. Technical characteristics
5. Materials
6. Diameters of tubes
Section 3. Type tests
7. General
8. Visual inspection and dimensional check
9. Dielectric tests
10. Mechanical tests
11. Mechanical fatigue tests
Section 4. Routine tests and sampling tests
12. Routine tests
13. Sampling tests
14. Additional tests not indicated
Section 5. Special clauses
15. Marking
16. Modification
17. Acceptance
Annexes
A. (normative) Dielectric tests before and after
     exposure to humidity
B. (normative) Dielectric wet test
C. (normative) Mechanical tests
D. (normative) Routine tests
E. (normative) Sampling procedure
F. (informative) Acceptance tests
Tables
1. Preferred diameters
2. Number of lengths of tubes required for tests
3. Tests results
4. Category reinforced: Values of Fd, f and Fr for
     bending test
5. Category standard: Values of Fd, f and Fr for
     bending test
6. Category light: Values of Fd, f and Fr for bending
     test
7. Categories reinforced and standard: Values of Cd,
     ad, and Cr for torsion test
8. Category light: Values of Cd, ad and Cr for torsion
     test
9. Values of Fc and Fi for crush test
E.1 Classification of defects
E.2 Sampling plan for major defects
Figures
A.1 Test arrangement
A.2 Assembly diagram
A.3 Constructional drawing for guard electrodes
A.4 Constructional drawing for guard electrodes, parts
     A and B
A.5 Constructional drawing for guard electrode parts
     according to test-piece diameter
B.1 Test arrangement
B.2 Details of electrode arrangement
C.1 Bending test - test assembly
C.2 Bending test - detail of supports
C.3 Torsion test - Examples for fixing tubes
C.4 Crushing test
D.1 Typical test arrangement