Liquid ultrasonic flowmeter how to select

　　Liquid ultrasonic flowmeter how to select: ultrasonic flowmeter selection needs to be considered in many ways, in general the choice of flowmeter need to consider the process conditions, the adjustment range, the characteristics of the liquid and so on. At the same time, the size of the pipeline flow, changes and fluctuations, media corrosion, cleanliness level, operation and economic conditions will also affect the choice of flowmeter. Generally speaking, the pipeline ultrasonic flowmeter is suitable for high precision, but the pipe diameter is small. On the contrary, other specifications are relatively large, but the accuracy requirements are not particularly high, is the scientific study of the external clip ultrasonic flowmeter.

　　When choosing a type, we need to first consider the water content, gas content and impurities in the oil. If the above composition is outside the supplier's allowable range, it will be difficult to ensure accuracy. In addition, it is important for accurate measurement that the fluid medium is fully flowing. Selection needs to be based on the viscosity and Reynolds Index of the fluid to ensure that the flowmeter is able to achieve the required accuracy over the entire operating range.

　　Similarly, the calibration of liquid ultrasonic flowmeters has the problem of matching the capacity of current calibration facilities with the specifications of the flowmeter. Therefore, in the measurement of petroleum and its products, for large-diameter liquid ultrasonic flowmeter, in the choice of type should be considered in the field calibration method. Currently, a master meter is used as a standard meter for numerical transmission. In the field of water measurement, calibration methods including dry tags are under consideration.

Similarly, the calibration of liquid ultrasonic flowmeters also has the problem of matching the current calibration facility capabilities and flowmeter specifications. Therefore, in the measurement of petroleum and its products, for large-caliber liquid ultrasonic flowmeters, on-site calibration methods should be considered when selecting the type. Currently, a master table is used as a standard table for numerical transmission. In the field of water measurement, calibration methods including dry tags are under consideration.

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