rheometer

An instrument for measuring the flow of viscous liquids, such as blood.

An instrument for measuring an electric current; an electrometer or galvanometer.

An instrument for measuring the velocity of the blood-flow.

In electricity, a resistance-box with bridge-coils; a combined Wheatstone bridge and rheostat.

An instrument for measuring currents, especially the force or intensity of electrical currents; a galvanometer.

An instrument for measuring the velocity of the blood current in the arteries.

A device used to measure the flow properties of fluids with variable viscosity.

A device used to measure the flow of electric current: an ammeter

A flowmeter, especially for water or blood.

an instrument for measuring the flow of liquids (especially arterial blood)