Everything You Should Know about Water Flow Meters A flow meter refers to a device that is employed to measure the flow rate or quantity of a gas or liquid moving through a pipe. There are so many flow measurement applications each one has its own limitations and engineering demands. Flow meters are referred to by various names, such as flow gauge, flow indicator, liquid meter, and others, depending on the particular industry. Nevertheless, the purpose, which is to measure flow, remains the same. Here are some of the most important things that you need to know about a water flow meter. Uses of a Flow Meter A flow meter is utilized in numerous kinds of applications to measure the volumetric flow rate or mass flow rate. The specific application established the kind and capacity of the flow meter. Fluids, gases and liquids, are calculated in relation to volumetric flow rate and mass flow rate. Every type of flowmeter has its own particular applications and installation requirements. The most critical thing to remember when selecting the right flowmeter is to use the application as your marker, and not the technology. A considerable number of these technologies all work perfectly well on various applications. If you decide based on the application, you can select the technology you wish to use depending on accuracy, cost, durability and reliability, instead of attempting to make the technology you want fit the application you actually have.
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Electromagnetic flow meters detect flow using Faraday’s Law of induction. Within an electromagnetic flow meter, an electromagnetic coil is present that produces a magnetic field, and electrodes that capture electromotive force (voltage). Thanks to this, while it may look like there is nothing inside the flow pipe of an electromagnetic flow meter, flow can be calculated. Due to the fact that electromagnetic flow meters depend on the laws of electromagnetic induction, conductive liquids are the only liquids for which flow can be detected. Vortex flow meters utilize a bluff body, or shedder bar to hamper flow. As the fluid moves the body, vortices, or swirls are generated downstream in an alternating pattern a lot like to the way a flag flaps in the wind. A transducer (piezoelectric crystal, pressure sensor, ultrasonic sensor) is employed to identify the vortices, and the frequency of those vortices corresponds to the velocity of flow. Some examples of applications for which vortex flow meters are used are water, wastewater, steam, pulp and paper, chemicals, and petrochemicals. A variable area meter is a meter that quantifies fluid flow by permitting the cross sectional area of the device to differ as a response to the flow, leading to some measurable effect that ascertains the rate.