Flow meters are used to measure the volumetric or mass flow rate of a liquid or gas. Yokogawa's range of flow meter instruments include vortex, magnetic, variable area, Coriolis, and differential pressure flow meters.
● = best choice; ○ = possible
|Magmeter||Coriolis||Vortex||Variable Area/Rotameter||Differential Pressure|
|ADMAG TI||ROTAMASS TI||digitalYEWFLO||RAMC||RAGN||DPharp|
|Properties||Low pressure loss||●||●|
Magnetic flow meters are ideal for conductive fluids in chemical, slurry, and mining applications, with minimal pressure loss. Available in four- and two-wires.
ROTAMASS is the integral and remote type Coriolis Mass Flow Meter. Both types have highly refined digital signal processing electronics, so that accurate and stable mass flow measurement is achieved.
Yokogawa's vortex flow meters are long-lasting and robust, offering field-proven sensor technology and high reliability to deliver improvements in plant efficiency and reduce OPEX.
The Variable Area Flowmeter is one of the oldest and mature principles in flow measurement with its simple design: a float rises inside a conically shaped glass tube as the flow increases and its position on a scale can be read off as the flow rate.
Differential pressure (DP) flow measurement is a well-known and common technology for measuring flow in a closed pipe.
The Coriolis flow meter has many features such as direct measurement of mass flow and measurement of fluid density, which other flow meters do not support. Therefore, since being introduced for practical use in the late 1970s, its market has rapidly expanded in many industries such as oil, chemicals, and foods.
Vortex flow meters were put into practical use in the 1970's; thus their history is relatively short. They have been mainly used at petrochemical plants because of their two main features, the fact that they do not have any mechanical moving parts and are maintenance-free. Yokogawa started research and development on the vortex flow meter before 1970.
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