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rotameter

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rotameter

[rō′tam·əd·ər]
(engineering)
A variable-area, constant-head, rate-of-flow volume meter in which the fluid flows upward through a tapered tube, lifting a shaped weight to a position where upward fluid force just balances its weight.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
KDG Instruments' Rotameter range comprises glass and metal tube products, in sizes from 63mm to 500mm tube lengths.
Variable Area Flow Meters
Models 104 and 107 liquid Flo-Sensors precisely measure flow rates of fluids as low as 13 mL/minute, and are designed as an electronic alternative to ball-and-tube rotameters. Stainless steel construction guarantees compatibility with virtually any chemical, including many solvents and organic compounds, according to the company.
Liquid flow sensor
Burkert Fluid Control Systems is offering its versatile new Type 8034 paddle-wheel flow-rate indicator as the modern replacement for outdated rotameters.
New flow rate indicator offered as rotameter replacement
The 7330 Series rotameters feature impact resistant polysulfone metering tubes that are suitable for many types of liquid service.
Flowmeters: polysulfone
The self contained column unit includes feed and tailings pumps, control panel, automatic level control system, rotameters for air and wash water, air pressure regulator and a wash water distribution system.
Continuous float circuit testing
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