VDI 3490 Blatt 16:1994-10
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Measurement of gases - Calibration gas mixtures - Dynamic preparation with critical orifice systems
Hardcopy , PDF
01-04-2012
German - English
01-10-1994
Vorbemerkung
1 Grundlage des Verfahrens
2 Geräte und Betriebsmittel
3 Beschreibung des Verfahrens
4 Messen der Volumenströme
5 Berechnen der Ergebnisse
5.1 Berechnen des Volumenanteils der Beimengung im Prüfgas
5.2 Abschätzung der relativen Unsicherheiten
6 Hinweise für den praktischen Betrieb
6.1 Auswahl geeigneter Blenden
6.2 Weitere Hinweise
Schrifttum
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