Analysis of the basic working principle of Verabar flow meter and the reasons for selection

Abstract: A brief analysis of the basic working principle of the Verabar flowmeter and the reasons for selection information are provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. When the fluid flows through the Verabar flowmeter sensor (probe), part of the flow beam shrinks and the fluid maintains its active state, so the flow velocity is the largest where the cross-sectional area of ​​the flow beam is the smallest. in the flow-carrying area. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is a brief analysis of the basic working principle of Verabar flowmeters and the reasons for selection. When the fluid flows through the Verabar flowmeter sensor (probe), part of the flow beam shrinks and the fluid maintains its active state, so the flow velocity is the largest where the cross-sectional area of ​​the flow beam is the smallest. The static pressure of the fluid is lowest where the velocity carrying area is the smallest. Therefore, a positive and negative pressure difference ΔP is formed between the personnel side and the outlet side of the sensor, and this ΔP is proportional to the square of the flow. Verabar flowmeter penetrating differential pressure flowmeter uses this principle to measure flow, and will transmit the ΔP signal through the pressure guiding tube, through the differential pressure transmitter to the intelligent flow calculation and display controller, for flow accumulation and display. The principle of the pressure probe of the Verabar flowmeter penetrating differential pressure flowmeter is shown in Figure 1. The Verabar flowmeter adopts an integrated probe with no moving parts in structure, high strength, not easy to wear, not affected by dust and oil, no signal leakage, accuracy up to % of reading per month, and repeatability ± 0.1%. The low-pressure pressure-taking position of the Verabar probe is before the fluid and the separation point, and the pressure-taking hole avoids the vortex generation area, making the signal stable and without pulsation. At the same time, the pressure taking hole is far away from the impurity collection area, which realizes the actual blocking prevention, which makes the differential pressure ΔP signal measured by the probe to be transmitted to the differential pressure transmitter with high stability. Replacing the measurement of the orifice plate in the measurement of full steam. Because of the wide range of Verabar, the pressure loss is small, the energy consumption is low, the installation is simple and basically maintenance-free. The power sensor (probe) can be selected according to the technical pipe diameter of the existing steam consumption. It is not necessary to consider the requirement that the fluid flow rate should not be lower than 5 seconds, such as the vortex flowmeter. Due to the long transmission interval of the steam pipeline and the large pressure fluctuation, when measuring a full steam pipeline with eddy currents for the usual ring probe or diamond probe, the probe may vibrate with its natural frequency, causing the measurement result to be distorted. The Verabar probe is factory-set with a maximum stress to counteract the occurrence of this resonance phenomenon. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Analysis of the basic working principle of Verabar flow meter and the reasons for selection'

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