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Pay attention to the main points before the selection of ultrasonic flowmeter

The reasonable selection of ultrasonic flowmeter model can ensure the more effective application of ultrasonic flowmeter. The choice of which type of ultrasonic flowmeter should be based on the physical and chemical properties of the measured medium to choose, so that the nominal diameter of the ultrasonic flowmeter, flow range, lining material, electrode material and output current can adapt to the nature of the measured medium and flow measurement requirements.

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1, precision functional inspection

Accuracy and function The accuracy of the instrument is selected according to the measurement requirements and application, which is cost-effective. For example, in the case of trade settlement, product handover and energy measurement, the accuracy should be higher, such as 1.0, 0.5, or even higher. In the case of process control, different precision is selected according to the control requirements; Some simply detect the process flow, do not need to do precise control and measurement occasions, can choose a slightly lower accuracy, such as 1.5, 2.5 ultrasonic flowmeters.

2, measurable media

When measuring the flow rate of the medium, the measuring range of the instrument and the diameter of the general medium, the full degree flow rate of the ultrasonic flowmeter can be selected in the range of measuring the flow rate of the medium 0.5-12m /s, and the range is relatively wide. The selection of instrument specifications (caliber) may not be the same as the processing pipeline, should be determined according to the measurement flow range, in the flow rate range, that is, when the pipeline flow rate is low, can not meet the flow meter requirements or even in such a flow rate when the measurement accuracy cannot be guaranteed, it is necessary to reduce the diameter of the instrument, so as to increase the flow rate in the pipe, to win satisfactory measurement results.

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