A Thorpe tube flowmeter, a type of variable-area flowmeter, or a rotameter, is an instrument used to directly measure the flow rate of a gas in medical...

of fluid flow. A kind of rotameter used for medical gases is the Thorpe tube flowmeter. Floats are made in many different shapes, with spheres and spherical...

volumetric flow rate of fluid in a closed tube. It belongs to a class of meters called variable-area flowmeters, which measure flow rate by allowing the...

with some units capable of obtaining up to 25 LPM. Many wall flowmeters using a Thorpe tube design are able to be dialed to "flush" oxygen which is beneficial...