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What are the types of flow meters? Flow meter is a professional automated measuring instrument, whose main function is to measure the flow rate of fluids, including liquids, gases, steam, mixed slurries, solid dust, etc. It is precisely the special role of flow meters that in the field of industrial automation, flow meters and sensors are called the eyes of automation systems. The measurement results are transmitted to the upper computer system, which integrates and analyzes the data, and then applies the preset solutions to the upstream and downstream control systems to achieve intelligent automatic control. Common flow meters include: measuring cleaning liquids such as electromagnetic flow meters, ultrasonic flow meters, vortex flow meters, mass flow meters, orifice flow meters, turbine flow meters, metal rotor flow meters, etc. Measuring gases such as vortex flow meters, V-cone flow meters, orifice flow meters, balance flow meters, waist wheel flow meters (Roots), gas mass flow meters, etc. Measuring steam such as orifice flow meters, vortex flow meters, bend flow meters, etc. Measuring slurries such as electromagnetic flow meters. Users should choose the correct flow meter according to the requirements of the application scenario. Choosing the wrong flow meter will not only affect the project and production, but also cause unnecessary losses to the control system. If you are interested in measuring the flow rate of liquids, you can learn about TSD electromagnetic flow meters, which have high product accuracy and are suitable for various environments. 2. What are the types of flow meters?
There are 8 types of flow meters, including differential pressure flow meter, volumetric flow meter, turbine flo
1、 Differential pressure flowmeter is the most common flow technology, including orifice plate, Venturi tube, and sonic nozzle. DP flow meters can be used to measure the flow rates of most liquids, gases, and vapors. The DP flowmeter has no moving parts and is widely used and easy to use. But after blockage, it will cause pressure loss, affecting accuracy. The accuracy of flow measurement depends on the accuracy of the pressure gauge.
2、 A volumetric flowmeter is used to measure the volumetric flow rate of liquids or gases. It introduces the fluid into the measuring space and calculates the number of rotations. Impellers, gears, pistons, or orifice plates are used to divert fluid. PD flowmeter has high accuracy and is one of the methods for measuring viscous liquids. But it can also generate irreparable pressure errors and require the installation of moving parts.
3、 Turbine flowmeter: When fluid flows through a turbine flowmeter, the fluid causes the rotor to rotate, and the rotational speed of the rotor is related to the velocity of the fluid. Derive the flow rate or total amount based on the average fluid velocity sensed by the rotor. Turbine flow meters can accurately measure clean liquids and gases. Like PD flow meters, turbine flow meters can also generate irreparable pressure errors and require moving parts.
4、 Electromagnetic Flowmeters (EMF) are a new type of flow measurement instrument that rapidly developed in the 1950s and 1960s with the advancement of electronic technology. An electromagnetic flowmeter is an instrument that uses the principle o