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Factors affecting the precision of the orifice plate BURKERT flow meter scale analysis

by:Sincerity     2020-12-31
Abstract: the factors affecting the accuracy of orifice BURKERT flow meter scale analysis information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Factors affecting the accuracy of orifice BURKERT flowmeter analysis BURKERT flowmeter at present, there are used for different orders to various flow measuring instrument, its measurement accuracy whether people widespread attention. Orifice meter accuracy is by its structure, measuring principle, be. More flow meter manufacturers choose model price quote you are welcome to inquire, here are factors affecting the accuracy of orifice BURKERT flow meter scale analysis for details. Factors affecting the accuracy of orifice BURKERT flowmeter analysis BURKERT flowmeter at present, there are used for different orders to various flow measuring instrument, its measurement accuracy whether people widespread attention. Orifice meter accuracy is by its structure, measuring principle, the current body property, using the environment condition and the manufacturing technology level decision. But in the process of verification, and in the process of use to many objective factors also affect the orifice meter accuracy of retrieval, greatly reduce the accuracy of orifice flowmeter, even affect the orifice flow meter in normal use, deviating from the selection to the original. Main influencing factors are the following. A: BURKERT flowmeter flow standard device in the actual use precision BURKERT flowmeter calibration in each case, all must use the proper flow standard device. Verification with flow standard device in the actual use of precision than accuracy of orifice flowmeter, for inspection instrument, need to ask whether test equipment, method and precision meet the demand. 2: the current body to flow in a pipe or in open channel flow fluid, with different flow conditions, such as the laminar flow and turbulent flow, pulsating flow and non-uniform flow. Especially using Bernoulli's theorem developed orifice meter, demand is steady flow, and uniform velocity distribution, such as the orifice meter. If there are obstacles in the pipe, flow will cause severe changes, cause the orifice meter measurement result error can not be ignored. Straight pipe orifice meter at installation time, is generally after the first 10 5, and try to reduce use bent pipe, valve, etc. Three: to physical properties measured medium so far, each kind of orifice meter is in the actual specific conditions of normal use, not an orifice meter can measure any medium to flow in any conditions. Flow measurement is more complex to measure, orifice flow meter to measure flow, should not measure the viscosity of fluid flow, measuring the steam, the pressure and temperature signal real-time acquisition to the flowmeter. Ultrasound can't measuring gas orifice meter, the measurement to larger, more solid particle in the fluid, will greatly affect the measurement accuracy. So when the orifice meter accuracy decline, we should pay attention to the current body physical properties have changed. BURKERT 4: correct installation and use of the orifice flowmeter flowmeter installation and use is the same it is closely related to the accuracy of measurement, especially the detecting element directly in the flow of fluid in orifice meter. If the orifice meter to the orifice and pipeline concentricity is bad, will produce error, serious when error is 100%. So, according to the installation requirements to different degrees, for a variety of orifice meter must be strictly distinguish treatment, only to install, follow the installation conditions to ensure accuracy of orifice flowmeter to measure. BURKERT flowmeter accuracy is 0. 5, 1, and in the actual use precision of 1. 5 or 2. Straight pipe orifice plate before and after the impact is bigger, the other for installation requirement is high also, also note range than does not want too big, General is 3:1) 。 Due to the influence to root cause is throttling orifice meter measuring precision devices to geometry and flow dynamic is deviating from the design standards, therefore in the process of use must be made in regular calibration and maintenance system, for the practical use condition parameters such as pressure, temperature changes, should be timely correction. Full compensation can be used to plot flow totalizer. especially numerical solution, to reduce the measurement error and ensure the measuring accuracy. Orifice flowmeter is a kind of from design, manufacturing to installation requirements are strictly instrument, a link any mistakes will make a big error, therefore, if strictly follow standard rules and its accurate measurement is assured. Orifice meter repeatability and other orifice meter ( Vortex orifice flow meter, ultrasonic orifice flow meter, electromagnetic orifice meter) Compared to low, the reason for the output signal to simulate values are susceptible to interference, especially the differential bring pressure pipeline this link is easy to make signal interference wave, it is because of repeatability is not high, so affect its accuracy to improve. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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