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Electromagnetic flowmeters have become one of the preferred flow measurement devices in chemical industries. As long as a liquid has a certain level of electrical conductivity, an electromagnetic flowmeter can be used to measure its flow rate. Being a flowmeter with excellent performance, it is most commonly used for measuring flow in conductive liquids such as water, sewage, sulfuric acid, and ammonia. Unlike volume-based flowmeters, electromagnetic flowmeters rely on an electrical power supply to function. Depending on the different operating conditions, there are currently three main ways to supply power to such flowmeters: 220V AC from the mains, 24V DC power supply, and battery power (primarily high-performance lithium batteries). 1. Powered by 220V, electromagnetic flowmeters are the most widely used type. Most industrial sites have a 220V power supply; the flowmeter only needs to be installed as required, without the need for any additional equipment, and it can start working once powered on. 220V-powered electromagnetic flowmeters can be designed as integrated or modular types. II. 24V-powered electromagnetic flowmeters are mainly used in industrial settings where the use of alternating current is not permitted, or where low-voltage direct current is preferred for safety reasons. In cases where a flow accumulation meter is used to power the electromagnetic flowmeter, a 24V battery supply is the only option available. These electromagnetic flowmeters are not widely used; they are primarily employed in situations where there is no power supply available at the site. It also features a fault alarm function, settings and alarm functions for upstream and downstream flow rates, a function to switch between forward and reverse flow directions, as well as 485 communication capability. In addition to having various power supply options, electromagnetic flowmeters also possess powerful internal functions; they can be used to measure the flow rate of liquid media, as well as the forward and reverse flow rates, and they are capable of measuring both instantaneous flow rates and cumulative flow volumes. It can be made in either an integrated or separate design, depending on the customer’s requirements. III. Battery power supply is used when there is no external power source available on site, or for safety reasons; it allows for the display of instantaneous flow rates and cumulative flow amounts on-site. It eliminates the need to connect to an external power source, and this battery-powered approach is particularly important in remote locations. The main drawback is the need to regularly inspect and replace the battery. For more information, please visit the company’s official website at http://www.yb1518.com/. Please keep this link when reproducing the content! http://www.yb1518.com/UploadFiles/2012717174126829.jpg