Abstract: the vortex precession flowmeter scale analysis of the causes of measurement errors information produced by excellent flow meter, flow meter manufacturer to offer you the quotation.
Precession vortex flowmeter
is small in size, good performance, corrosion resistance, strong shock resistant anti-interference ability, thus is widely used in the measurement field, and shunda flowmeter factory technical below small make up to explain in detail, for everybody about the precession.
More flow meter manufacturers choose model price quote you are welcome to inquire, here is a scale for measuring precession vortex flowmeter the cause of the error analysis for details.
Precession vortex flowmeter is small in size, good performance, corrosion resistance, strong shock resistant anti-interference ability, thus is widely used in the measurement field, flow meter manufacturer technology below small make up to explain in detail, for everyone on the analysis of the causes of vortex precession flowmeter measurement error.
Meter error factors, can be summarized the following factors flow range, pressure change, straight pipe.
The generation of error is mainly mechanical vibration, medium containing impurities, electronic jamming and so on, in the process of using also want to consider this a few factors interfere with the normal working state of the flowmeter, otherwise it will produce certain error makes the flowmeter.
1 measurement instrument error measurement instrument in the process of use, each flowmeter has certain flow range, when the flow of the medium under low flow rate, or higher than the maximum flow will be serious damage flowmeter, loss is too big, there is no guarantee that the normal use of flowmeter.
Another process is very important also, general situation development volume is larger, the early to late, gas is constantly reduced, so the flow meter must work in the range of flow meter is for the guidelines, beyond the range of the upper or lower limit, can appear the error of measurement.
Second, the error caused by the pressure of accurate detection of accurate measurement of the other plays a decisive role, in particular to reduce the error of the corresponding, with the increase of pressure monitoring points, the relative error is smaller and smaller, therefore in the process of using selection pressure according to the certain situation.
Pressure loss of flowmeter is a defect, through continuous improvement and keeps the pressure loss is limited control, but the pressure loss is too big, consider some of the other methods, to change the situation.
Zui, suffer the effect of straight pipe, the precession measuring principle of vortex flowmeter, the flow of the fluid to the measurement result has a great influence, so in the before and after the position of the meter, straight pipe should be long enough to ensure the stability of the medium.
Under normal circumstances, the straight pipe is not less than 5 d, straight pipe not less than 1 d after table, if limited by space, the throttling parts before the table, the table before the straight pipe can be up to no less than 3 d.
But there are table before throttling, must meet the requirements of straight pipe not less than 5 d.
Only in this way can try to reduce the error.
2 the error of the error of the external environment change brings the outside world is mainly mechanical vibration, the impurities of the gas, such as electromagnetic interference error.
Small make up tips: meter as a highly sophisticated equipment, not just in the process of manufacture and use need to strictly comply with its requirements, also must pay special attention to in the later maintenance can not make the flowmeter to retire ahead of schedule.
If you have any other questions or requirements about flow meter, flow meter manufacturer, we will serve you wholeheartedly.
Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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