Verfahren und Vorrichtung zur gravimetrischen Prüfgasherstellung mittels Rückwägung

摘要: The invention relates to a process and device for gravimetric test gas production by means of reweighing. In order fully automate it is proposed weigh an evacuated container fitted with controllable valve on balance, connect supply the via adjuster open automatically, fill first component. quantity allowed in automatically checked weighing, after required has been filled closed, connection between released adjuster, separated from balance reweighed. These steps are suitably repeated each component be fed into container.