Perspectives of atmospheric reference leaks calibration by gravimetric method

► A gravimetric primary standard of freon leaks was developed and tested. ► A problem of the buoyancy influence was being solved. ► A gravimetric method performed in a hermetically closed vessel is very promising. The measurement of freon (mainly R134a) leaks is an important task of metrology. The p...

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Veröffentlicht in:	Measurement : journal of the International Measurement Confederation 2013-01, Vol.46 (1), p.621-627
Hauptverfasser:	Pražák, D., Zůda, J., Tesař, J., Peksa, L., Vičar, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atmospheric leak Mass comparator Vacuum leak Vacuum weighing
Online-Zugang:	Volltext
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