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Normas BSI – AENOR
BS EN 13192:2002

BS EN 13192:2002

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

Fecha Anulación:
2018-03-06 /Withdrawn
Equivalencias internacionales:

EN 13192:2001

Relación con otras normas BSI:

Reemplazada por: BS EN ISO 20486:2018

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.
Gas-resistance tests, Calibration, Flow measurement, Gases, Leak detectors, Leak tests, Tracer methods, Mathematical calculations, Non-destructive testing
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