NS EN 13184 : 2001 AMD 1 2004

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Personnel qualification
5 General requirements
6 Calibration
7 Pressure decay technique - See EN 1779, technique D.1
8 Pressure rise technique - See EN 1779, technique D.2
9 Bell pressure change technique - See EN 1779, technique D.3
10 Flow measurement technique - See EN 1779, technique D.4
11 Test report
Annex A (normative) Calculations for pressure change
                      methods
Annex B (informative) Determination of the leakage rate
                      in the presence of outgassing and
                      permeation
Annex C (informative) Check for leakage across the
                      isolation valve

Specifies the techniques for the determination of the leakage rates across the boundary of an isolated object, subjected to a pressure difference.