FIELD: instrumentation of automatic metering and packing lines. SUBSTANCE: for determination of mass of piece articles air cushion is formed under transported article. Then contactless action of certain value is executed on side surface of article immobile originally in direction of sequential translational motion of it. Time of passages of check section by article is measured and used to find mass of article. EFFECT: increased accuracy of method and gear. 2 cl, 1 dwg
