FIELD: power engineering, metallurgy and other branches of industry. SUBSTANCE: gas is supplied from source of excessive pressure into two tubes simultaneously. Outlet butts of tubes are located at different levels in powdery medium. Level of powdery medium is determined by difference of pressure in two tubes. EFFECT: uninterrupted determination of level of medium. 1 dwg
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Authors
Dates
1998-07-20—Published
1997-02-11—Filed