What kind of flow meter are metallic variable area meters?
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Are metallic variable area meters metal flowmeters with a variable cross-sectional area? What type of flow meter is it? Under what operating conditions is it used? Could any sea friend explain this? Thank you!
Metal tube float flow meter. It can be used to measure the flow rate of liquids, gases, and vapors, and is particularly suitable for measuring the flow rate of media with low velocities and small flow volumes.
Literal interpretation – a variable-area metal flow meter; it’s obviously a metal flow meter.
ABB’s metal rotor flowmeter is: Metal Cone Variable Area Flowmeter