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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 does FL0wMETER mean in Chinese?
Flowmeter English; [Network] flowmeter; Flow meter; Flow meter; The theoretical basis and experiments of a new
3. Types and principles of flow meters
1. Mechanical principles: Instruments belonging to this type of principle include differential pressure type and rotor type using Bernoullis theorem; The impulse equation and movable tube equation using the momentum theorem; Using the direct mass formula of Newtons second law. Target based on the principle of fluid momentum; Turbine type using the angular momentum theorem; Vortex type and vortex street type utilizing the principle of fluid oscillation; Utilize pitot tube type, volumetric type, weir, trough type, etc. that utilize the total static pressure difference.
2、 Electrical principles: Instruments used for this type of principle include electromagnetic, differential capacitive, inductive, strain resistance, etc.
3、 Acoustic principles: There are ultrasonic and acoustic (shock wave) methods that use acoustic principles for flow measurement.
4、 Thermal principles: There are various methods for measuring flow using thermal principles, such as calorimetry, direct calorimetry, indirect calorimetry, etc.
5、 Optical principles: Laser and photoelectric instruments belong to this type of principle.
6、 Based on physical principles, instruments such as nuclear magnetic resonance and nuclear radiation belong to this type of principle. Other principles include labeling principles (tracer principle, nuclear magnetic resonance principle), related principles, etc. Extended data flowmeter is one of the important instruments in industrial measurement. With the development of industrial production, the requirements for accuracy and range of flow measurement are becomi
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