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BS EN 13192:2002

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Non-destructive testing. Leak testing. Calibration of reference leaks for gases

Available format(s)

Hardcopy , PDF

Superseded date

06-03-2018

Superseded by

BS EN ISO 20486:2018

Language(s)

English

Published date

29-01-2002

€165.94
Excluding VAT

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

Defines the calibration of those leaks that are used for the adjustment of leak detectors for determining the leakage rate in everyday use. Leakage rates more than 10[-4] Pa.m[3]/s can be measured by flow meters calibrated against primary national standards.

Committee
WEE/46
DevelopmentNote
Supersedes 98/706627 DC (02/2002)
DocumentType
Standard
Pages
22
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

This draft European Standard specifies the calibration of those leaks that are used for the adjustment of leak detectors for the determination of leakage rate in everyday use. The preferred calibration method in this case is a comparison with a standard leak. In this way the leaks used for routine use become traceable to a primary standard as the ISO 9000 series of standards require. The comparison procedures are preferably applicable to helium leaks, because this test gas can be selectively measured by a mass spectrometer leak detector (MSLD) (the definition of MLSD is given in EN 1330-8). Calibration by comparison (see methods A and B below) with known standard leaks is easily possible for leaks with reservoir and leakage rates below 10-7Pa·m3/s. From 10-7 Pa·m3/s to 10-4 Pa·m3/s no leaks reliable enough to be used as transfer standard exist. Leaks in this range can only be calibrated by measurement of flow in a calibrated capillary tube (see method C below). Leakage rates greater than 10-4 Pa·m3/s can be measured by flow meters calibrated against primary national standards.

DEFSTAN 00-035(PT3)/5(2017) : 2017 ENVIRONMENTAL HANDBOOK FOR DEFENCE MATERIEL - PART 3: ENVIRONMENTAL TEST METHODS

EAL R2 : 1997 EXPRESSION OF THE UNCERTAINTY OF MEASUREMENT IN CALIBRATION
EN 1330-8 : 1998 NON-DESTRUCTIVE TESTING - TERMINOLOGY - TERMS USED IN LEAK TIGHTNESS TESTING
EN 13625:2001 Non-destructive testing - Leak test - Guide to the selection of instrumentation for the measurement of gas leakage

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