Vortex and electromagnetic flow meters

『Vortex and electromagnetic flow meters』Related information(clamp on meter|electromagnetic meter|venturi meterrotameter|orifice meter|ultrasonic flow meter|mass flow meter|coriolis mass flow meter|coriolis flow meter|magnetic flow meter|magmeter flow meter|magflow flow meter|mag meter flow meter|electromagnetic flow meter|vortex flow meter|turbine flow meter|thermal mass flow meter|thermal flow meter|rotameter flow meter)

1. Differences between Electromagnetic Flowmeters, Vortex Flowmeters, Ultrasonic Flowmeters, Turbine Flowmeters, etc.

Electromagnetic flowmeters can measure conductive liquids with no pressure loss and a wide measurement range, but can only measure conductive media such as rock and water, and are not suitable for non-conductive media such as gas and water treatment heating water.. Its installation and debugging are cumbersome, demanding, and expensive. Ultrasonic flowmeter is a non-contact measuring instrument suitable for measuring difficult to contact fluid flow and large pipe diameter flow. It does not change the fluid flow state, does not produce pressure loss, and is easy to install. However, its temperature measurement range is not high, it is susceptible to interference, has strict installation requirements, and is relatively expensive. The measuring element of the vortex flowmeter has a simple structure, reliable performance, long service life, wide measurement range, and the volumetric flow rate is not affected by temperature, pressure, density, or viscosity. However, it has poor anti vibration performance and is easily affected by vibration. It has poor adaptability to dirty media, high requirements for straight pipe sections, and poor temperature resistance. Generally, it can only measure media below 300 ℃. Orifice flowmeter is a standard throttling component widely used worldwide, with a simple structure, stable and reliable performance, low price, and wide application range. However, it has moderate measurement repeatability and accuracy, narrow range, long straight pipe length requirements, high pressure loss, and needs to be disassembled and inspected once a year. Thermal mass flow meters d

irectly measure mass flow, are not affected by pressure and temperature, respond quickly, have a large range, but their accuracy is not as good as other types of flow meters, and can only be used to measure dry non explosive gases. Ultrasonic flow meters measure flow by detecting the effect of fluid flow on ultrasonic beams, and can measure non-conductive liquids. However, the propagation time method can only be used for cleaning liquids and gases, and the Doppler method can only be used for liquids containing certain suspended particles and bubbles. The Doppler method has low measurement accuracy. Vortex flowmeter determines volumetric flow rate by measuring fluid velocity, but the final measurement result of liquid or steam should be mass flow rate or standard volumetric flow rate, which must be converted by fluid density. It is susceptible to vibration, has poor adaptability to measuring dirty media, high requirements for straight pipe sections, and poor temperature resistance. The additional operating cost of orifice plate flowmeter is high, and the sharp angle line inside the orifice plate ensures accuracy. It is sensitive to corrosion, wear, scaling, and dirt, and needs to be disassembled and inspected once a year. The use of flange connection is prone to leakage problems and requires a large maintenance workload. Thermal mass flow meters and ultrasonic flow meters each have their own advantages and disadvantages. Thermal mass flow meters directly measure mass flow rates, are not affected by pressure and temperature, respond quickly, but have lower accuracy and can only be used for specific gases. Ultrasonic flow meters are suitable for cleaning liquids and gases, but have limited measurement accuracy using the pro

1. Differences between Electromagnetic Flowmeters, Vortex Flowmeters, Ultrasonic Flowmeters, Turbine Flowmeters, etc.

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