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Why does vortex flow meter need temperature and pressure compensation

  • February 26,2021.

Vortex flow meter is a new type of flow meter developed in the seventies. Compared with other forms of flow meters, it has the following advantages: no moving parts inside the meter, simple structure, long service life and so on.Flow meter uses fluid flow through obstructions to produce a stable vortex by measuring the frequency generated by the vortex to achieve flow measurement, because the frequency generated by the vortex is only related to the flow velocity of the fluid, almost not affected by the change of measured flow body parameters, so vortex street flowmeter has a broad prospect of development.

All the customers who have used the vortex flowmeter know that the vortex flowmeter can be used to measure liquid and gas, it measures different media configuration of the accessories are different, we are most commonly used in the compensation instrument is temperature compensation and pressure compensation, here we talk about the temperature compensation of the vortex flowmeter.

Vortex flow meter in the measurement of steam, for a while with temperature compensation, because the density of the steam is changing with the temperature, different temperature of steam density is directly related to the quality of the steam, we in order to more accurate measuring steam, on many occasions will add temperature sensors, these are all belong to the requiring higher precision, but there are some occasions, the steam temperature is constant, change is not very big, for these conditions we can consider when selection without temperature compensation, and we just use electronic compensation in the circuit, which can guarantee the accuracy,As for the vortex flow meter can be without temperature compensation?We can not generalize, according to the site conditions, the use of steam to decide which kind of flowmeter to adopt.

Related products: precession vortex flow meter, orifice flow meter

vortex flow meter


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