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Variable area (VA) flow meters, or rotameters, are some of the oldest devices used for flow measurement, known for their flexibility across various applications and high reliability.

A rotameter is a device that measures the volumetric flow rate of fluid in a closed tube. [1] It belongs to a class of meters called variable-area flowmeters, which measure flow rate by …

A rotameter or variable area flow meter is an industrial flow meter that measures the volumetric flow of liquids and gases. There is no difference between a rotameter and a flow meter, and …

Rotameters are simple, reliable and inexpensive flow measuring instruments. As a gas or liquid is introduced into a uniformly tapered flow tube a float rises, its weight supported by the fluid …

Meter Selection Guide Flowmeters & Rotameters, Glass Flowmeters, Stainless Steel Flowmeters, Polysulfone, Acrylic & PVC Flowmeters

A variable area flowmeter – also known as VA meter or rotameter – consists of an upright, tapered measuring tube with the wider end at the top. This tube contains a specially shaped …

What is a Rotameter Used For? A rotameter is used to measure the rate of liquid or gas flowing through a system of pipes at any given time. They provide a constant flow rate measurement …

Rotameters are also known as variable area flow meters. Variable area flow meters work by measuring the flow rate as the fluid travels through a tapered tube where the cross sectional …

Apr 23, 2025 · What is a Rotameter? A rotameter is a device that measures the flow rate of fluids (gases or liquids) in a pipe. It consists of a tapered tube (usually made of glass or transparent …