Rotameter flow meters are devices that can measure the flowrate of liquids and gases. Generally, the rotameter is a tube made of plastic, glass or metal combined with a float, which responds linearly ...

The word rotameter is assumed to be a generic name for a variable area flow meter, describing a freely rotating float visible in a glass tube. However Rotameter is a fairly carefully trade-marked word ...

Abstract: Currently used flow equation of rotameter was obtained by analogy of orifice meter, which is not rigorous in theoretic. In this paper, according to the fluid motion characteristics in ...