Liquid flow meter and gas flow meter, choose vortex flowmeter?

What is a vortex flowmeter?

A vortex flowmeter is a volume flowmeter that measures the volume flow rate, standard volume flow rate or mass flow rate of gas, steam or liquid based on the Karman vortex principle. It is mainly used for flow measurement of industrial pipeline medium fluids, such as gas, liquid, steam and other media.
A vortex flowmeter is a volumetric flowmeter that uses the natural phenomenon that occurs when a liquid flows around a non-flowing object. The vortex flowmeter uses the vortex shedding principle, that is, the vortex (or vortex) alternately sheds downstream of the object. The frequency of vortex shedding is proportional to the velocity of the liquid flowing through the flowmeter.

Vortex flowmeters are best suited for flow measurements where it is difficult to introduce moving parts. Vortex flowmeters are available in three materials: industrial grade, brass or all-plastic. Because there are no moving parts, vortex flowmeters are less sensitive to changes in process conditions and have relatively low wear compared to other types of flowmeters.
Its characteristics are small pressure loss, large measuring range, high accuracy, and it is almost unaffected by fluid density, pressure, temperature, viscosity and other parameters when measuring working volume flow. There are no movable mechanical parts, so it has high reliability and low maintenance. The instrument parameters can be stable for a long time. The vortex flowmeter uses a piezoelectric stress sensor with high reliability and can work in the operating temperature range of -20℃ to +350℃. There are analog standard signals and digital pulse signal outputs, which are easy to use with digital systems such as computers. It is a relatively advanced and ideal measuring instrument.
Vortex flowmeter is also called vortex flowmeter or Karman vortex flowmeter. Based on the advanced technology of developed countries and many years of research and production experience, the product is designed to achieve product intelligence, standardization, serialization, generalization, production mold, and ensure the aesthetic quality of the product. The product has the characteristics of advanced circuit, low power consumption, wide range ratio, simple structure, small resistance loss, strong and durable, wide application, long service life, stable operation, and easy installation and debugging.

Product technology of vortex flowmeter
Measurement medium: gas, liquid, steam
Connection method: clamp-on flange, flange, thread
Common models: DN15, DN20, DN25, DN32, DN40DN, DN50, DN65, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300
Flow measurement range: liquid 1-1800m³/h, gas 3-11500m³/h
Measurement accuracy 1.0, 1.5, 2.5
Measured medium temperature: -20℃~250℃, 250℃~350℃
Output signal: pulse, 4~20mA, RS485, Hart protocol
Instrument use environment Temperature: -20℃～+55℃ Humidity: 5～95% Atmospheric pressure: 86~106KPa
Material: SS304, SS316
Power supply: DC24V or lithium battery 3.6V
Explosion-proof level: IP65, IP68.

Features of vortex flowmeter
1. Simple and firm structure, no moving parts, high reliability, and very reliable long-term operation.
2. Simple installation and very convenient maintenance.
3. The detection sensor does not directly contact the measured medium, with stable performance and long life.
4. The output is a pulse signal proportional to the flow rate, without zero drift and high accuracy.
5. The measurement range is wide, and the range ratio can reach 1:20.
6. The pressure loss is small, the operating cost is low, and it is more energy-saving.

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