Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of leaks
4.1 Permeation leak
4.2 Conductance leaks
5 Apparatus
5.1 Mass Spectrometer Leak Detector (MSLD), for methods
A and B
5.2 Capillary measurement tube equipment for method C
6 Calibration by comparison (method A and B)
6.1 Preparation of leaks and apparatus
6.2 Measurement
7 Calibration by direct flow measurement (method C)
7.1 Preparation of leaks and apparatus
7.2 Measurement
8 Results
8.1 Evaluation for methods A and B (comparison)
8.2 Evaluation for method C (direct flow measurement)
9 Report
10 Labelling of reference leaks
11 Handling of reference leaks
11.1 Permeation leaks (normally with reservoir fitted the
leak outlet)
11.2 Conductance leaks (normally without reservoir)
Annex A (informative) Calculation of leakage rate decrease
due to tracer gas depletion in the reservoir
Bibliography