ABSTRACT
Turbine meters are available for liquid, gas, and very low flow rates in both full bore and insertion designs. The most widely used type is the full bore meter for liquid service. A turbine meter consists of a multibladed rotor suspended in the fluid stream on a free-running bearing. The axis of rotation of the rotor is perpendicular to the flow direction and the rotor blades sweep out virtually to the full bore of the meter. The fluid impinging on the rotor blades causes the rotor to revolve. The turbine rotor blades are made of a paramagnetic material, i.e., a material that is attracted by a magnet. As a blade approaches the cone point, its magnetic properties deflect the magnetic field. Most turbine meter systems incorporate a totalizer unit with a factorizing and scaling function. The pulse output from the turbine meter is not in direct engineering units.
