1E+H72F72W Vortex Flow MeterPrinciple and precautions:
1. When a triangular cylindrical vortex generator is set up in the fluid, regular vortices are alternately generated from both sides of the vortex generator, which are called Karman vortices. The vortex columns are asymmetrically arranged downstream of the vortex generator.
2E+H72F72W Vortex Flow MeterIt is a volumetric flowmeter that measures the volumetric flow rate, standard condition volumetric flow rate, or mass flow rate of gases, vapors, or liquids based on the Karman vortex street principle. And it can be used as a flow transmitter in automation control systems.
3. The vortex flowmeter applies the principle of fluid oscillation to measure flow rate. When the fluid passes through the vortex flowmeter in the pipeline, two columns of vortices proportional to the flow velocity are alternately generated up and down behind the vortex generator in the triangular column. The release frequency of the vortices is related to the average velocity of the fluid flowing through the vortex generator and the characteristic width of the vortex generator.
4. When welding flanges and straight pipe sections, sensors cannot be used for welding.
5. During installation, the flow direction indicator of the sensor should be consistent with the fluid flow direction inside the pipeline.
6. Before installing the sensor, a sealing ring must be placed in the flange groove. The positions of pressure and temperature measurement points are as follows: the pressure measurement point is located at the downstream standard DN of the sensor, and the temperature measurement point is located at the downstream standard DN.
7. When measuring high-temperature media, do not wrap the sensor connecting rod around it with insulation materials.
8. The shielded cable connecting the sensor should be routed as far away as possible from strong electromagnetic field interference. It is not allowed to be laid together with high-voltage cables. Shielded cables should be shortened as much as possible and should not be coiled to reduce distributed inductance. The length of Z should not exceed standard meters.
9. Before installing the sensor, the pipeline must be cleaned. Remove impurities from the tube to avoid clogging the sensor after flow. The pipeline for measuring liquids must be filled with the measured liquid to prevent interference from bubbles.
10. The pipeline for measuring gases is designed to prevent interference from stored fluids. The installation location is shown in Figure 5. When replacing the probe body under high temperature and high pressure, safe operation and high temperature protection must be carried out. After cooling and reducing pressure, the probe can be replaced under safe conditions.
Summary:E+H72F72W Vortex Flow MeterThat's all for the principle and precautions. After reading this article, you should have a basic understanding and knowledge. I believe everyone understands now! Overall, I hope it is helpful to everyone.