FIELD: flowmeter units used for calibration and verification of gas meters and flowmeters. SUBSTANCE: device is provided with orientation system for measuring bell in vertical position including at least three adjustable strainers connecting the upper portion of measuring bell through rope embracing wheel with balancing weights and at least three additional struts connected with liquid reservoir through spherical joints. Opposite ends of struts are connected with plate through spherical washers. Each additional strut is provided with adjustable upper and lower stops. Secured on upper portion of measuring bell are at least three brackets; each bracket is provided with two centering rollers engageable with additional struts and with adjustable stops when measuring bell is in extreme positions. Plate is provided with unit for maintenance of constant pressure under measuring bell; this unit includes volute mounted rotatably relative to wheel. EFFECT: enhanced accuracy of measurement. 3 cl, 7 dwg
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