BS 2011-2.1Q:1981

National foreword
Survey of sealing tests
Clause
1 Definitions
2 Test Qa: Sealing of bushes, spindles and gaskets
2.1 Object
2.2 Scope
2.3 General description of the test
2.4 Initial measurements
2.5 Conditioning
2.6 Final measurements
2.7 Information to be given in the relevant
     specification
3 Test Qc: Container sealing, gas leakage
3.1 Object
3.2 Scope
3.3 General description of the test
3.4 Test method 1
3.5 Test method 2
3.6 Test method 3
3.7 Information to be given in the relevant
     specification
4 Test Qd: Container sealing, seepage of filling
               liquid
4.1 Object
4.2 Scope
4.3 General description of the test
4.4 Severities
4.5 Preconditioning
4.6 Initial measurements
4.7 Conditioning
4.8 Final measurements
4.9 Information to be given in the relevant
     specification
5 Test Qf: Immersion
5.1 Object
5.2 General description of the test
5.3 Initial measurements
5.4 Preconditioning
5.5 Conditioning
5.6 Recovery
5.7 Final measurements
5.8 Information to be given in the relevant
     specification
6 Test Qk: Sealing tracer gas method with mass
               spectrometer
6.1 Object
6.2 Scope
6.3 General description of the test
6.4 Test method 1 (for specimens not filled with
     helium during manufacturing)
6.5 Test method 2 (for specimens filled with helium
     during manufacturing)
6.6 Information to be given in the relevant
     specification
7 Test Ql: Bomb pressure test
7.1 Object
7.2 Scope
7.3 General description of the test
7.4 Initial measurements
7.5 Conditioning
7.6 Recovery
7.7 Final measurements
7.8 Information to be given in the relevant
     specifications
Appendix A - Example of a test chamber for test Qa
Appendix B - Guidance for test Qc
Appendix C - Guidance for test Qd
Appendix D - Interrelation of test parameters for test
             Qk
Appendix E - Guidance for test Qk
Appendix F - Guidance for test Ql

Internal and external detection methods for testing the sealing of bushings, spindles, gaskets and containers of components and other electrotechnical products, and guidance on the application of such tests.