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What systems are the vortex flowmeters made up of? Flow meter inlet

As can be seen from the first section, measuring the vortex frequency / can achieve flow measurement. However, to achieve vortex frequency measurement, the following aspects must be solved:

(1) Designing a generator with excellent flow characteristics to separate a strongly stable Karman vortex street in a wide Reynolds number range;
(2) It is necessary to select the detection technology that meets the fluid properties and measurement requirements, and design a detection element with a detection sensitivity 髙 and a wide measurement range;
(3) Design a signal processing circuit with strong anti-interference ability.
Except for any of the above three aspects, it is impossible to accurately measure the flow. It can be seen that a complete vortex flowmeter should be composed of four parts: the body, the generator, the detecting component and the signal converter. Figure 3-3 shows a schematic diagram of the structure of a flange-type vortex flowmeter. Figure 3-4 is a schematic view of a flange-mounted vortex flowmeter.

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