Vortex flowmeter testing and applications

Project Overview

Flow meters are popular for their high degree of accuracy, reliability and serviceability. But like all instruments, vortex flowmeters also require regular testing and maintenance to ensure they continue to work accurately. Below we will discuss the detection methods and application considerations of vortex flowmeters.

Working principle:

The working principle of the vortex flowmeter is based on the vortex principle, that is, when the fluid flows through an obstacle (such as a cylinder), it will flow around the obstacle. A series of alternating vortices are generated downstream. The frequency of these vortices is proportional to the flow rate of the fluid, so the flow rate of the fluid can be determined by measuring the frequency of the vortices.

Detection method:

Regular calibration: To ensure the accuracy of the flow meter, it should be calibrated regularly and compared with known standard flow rates.

Check for physical obstructions: Because of the way a vortex flowmeter works, it can be affected by impurities in the fluid. Periodically check whether dirt, sediment, or other impurities have accumulated on the vortex flowmeter's sensor or obstructions.

Check electronic components: Make sure that all electronic components of the vortex flowmeter, such as sensors, cables and displays, are working properly.

Software Diagnostics: Some modern vortex flowmeters are equipped with self-diagnostic features that can automatically detect and report any potential problems.

Application considerations:

Fluid characteristics: Vortex flow meters are suitable for low viscosity, clean fluids. For fluids with high viscosity or with large amounts of suspended solids, other types of flow meters may need to be considered.

Installation location: To ensure accuracy, the vortex flowmeter should be installed on a straight pipe section and avoid being installed near elbows, valves or other locations that may cause flow disturbances.

Temperature and pressure: Vortex flowmeters are designed with certain temperature and pressure ranges. Exceeding these ranges may affect their accuracy or shorten their service life.

Market development:

With the development of technology, vortex flowmeters are becoming more and more intelligent. Many modern devices not only provide basic flow measurement, but also have temperature, pressure and density compensation functions to further improve measurement accuracy.