Tips for increasing accuracy of orifice measurement

Abstract: the recipe for increasing accuracy of orifice measurement information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Orifice meter is to measure flow rate differential pressure generator, cooperate with all sorts of differential pressure gauge or differential pressure transmitter to measure all kinds of fluid flow in pipes. Orifice flowmeter throttle device with differential pressure transmitter, can measure the rate of flow of liquid, steam, gas,. More flow meter manufacturers choose model price quote you are welcome to inquire, here are tips for increasing accuracy of orifice plate to measure the article details. Orifice meter is to measure flow rate differential pressure generator, cooperate with all sorts of differential pressure gauge or differential pressure transmitter to measure all kinds of fluid flow in pipes. Orifice flowmeter throttle device with differential pressure transmitter, can measure the rate of flow of liquid, steam, gas, orifice flow meter is widely used in petroleum, chemical, metallurgical, power, light industry and other departments. So how to improve the measuring accuracy of orifice meter? 1, the design of the metering device installation shall comply with the corresponding standard due to the influence the orifice meter measuring precision is the root cause of the throttle device geometry and flow dynamic is deviating from the design standards. So the system must be made on a regular basis in the process of using, maintenance and calibration, the actual use of the change of condition parameters such as pressure, temperature, flow rate, should be corrected in time, can use all the compensation flow computer integrating scheme, in order to reduce the measurement error and ensure the measuring accuracy. 2, eliminate the pulsating flow of air duct due to sudden changes in the velocity and pressure of the gas, cause the pulsating flow, it can lead to differential pressure fluctuation, and the flow of the throttle device calculation formula is based on the stability of the orifice flow, when the measurement point has pulsation phenomenon, stable principle cannot be established, which may effect the precision of measurement, the measurement error. So in order to guarantee the natural gas measurement accuracy, must restrain pulsating flow, often the measures are: a, when the measurement capability is satisfied, should choose Canon of smaller measuring tube, improve the differential pressure and aperture ratio; B, using short pressure pipeline, reduce the resistance of the pipeline, and makes the upstream and downstream piping length equal, reduce system of resonance and the pressure pulsation amplitude increases; C, eliminate free liquid from the pipeline, pipeline caused by fluid pulsation in the automatic pigging system can be used or lower liquid installation points to handle 3 and avoid artificial measurement error to strengthen management, improve the quality of the operator technique, the positive introduction absorbs the domestic and foreign advanced metering technology. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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