Abstract: the causes of scale vortex
flowmeter measurement error information produced by excellent flow meter, flow meter manufacturer to offer you the quotation.
Vortex flowmeter is mainly used for industrial piping medium fluid flow measurement, such as air, liquid, steam, etc.
Because of the vortex flow with a small pressure loss, wide range, high precision, working condition of the measurement is almost not affected by the fluid density, volume flow.
More flow meter manufacturers choose model price quote you are welcome to inquire, here is the cause of vortex flow meter scale measurement error article details.
Vortex flowmeter is mainly used for industrial piping medium fluid flow measurement, such as air, liquid, steam, etc.
Because vortex flow with a small pressure loss, wide range, high precision, working condition of the measurement volume flow was almost not affected by the influence of the fluid density, pressure, temperature, viscosity.
If in the process of vortex street flowmeter using reflect the flow measurement, so the first thing to do is determine is not correct that has led to the error of the flow.
So the cause of vortex street flowmeter measurement error: 1, the influence of temperature on the measuring temperature may affect both general flowmeter measurement medium, temperature influence the density of the medium, viscosity and so on, these will let the inaccurate measurement result, error occurs.
To eliminate this effect is often done on the K coefficient correction.
At present, some manufacturers of flowmeter has effect on the temperature in the software for fixed temperature correction and temperature correction in real time.
The process condition change is only temporary.
Can be combined with the parameters of setting to improve accuracy of instructions.
4, spiral
vortex flowmeter happened incident flow surface accumulation effect if the measurement of the presence of sticky particles in the body, they could gradually accumulation body in vortex flow on the surface, make its geometry and size changes, thus flow coefficient also corresponding change, therefore in use should pay attention to clean up.
5, installation problems problems mainly vortex street flowmeter sensor of the straight pipe length, then affects the measurement precision if the length is not enough.
6, parameter setting the direction of the instrument reason product parameters error is wrong.
Parameter error makes the secondary instrument full frequency calculation error, almost full frequency phase makes instructions are not allowed to be for a long time, the actual full frequency gets calculation of full frequency makes instructions from wide fluctuations, readings, and material parameters on the inconsistency of zui will affect the parameters again, zui end parameters was determined by the calibration compared with each other again, solved such problems.
Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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