Enhanced Non-Flow Verification of Vortex Flow Meters.

We analyze flow and non-flow methods for verification of vortex flow meters and describe the basic advantages and deficiencies of methods in these two broad classes. We propose an enhancement to non-flow verification of flow meters that involves simulating and recording the effect of the material flow being measured on the sensor device, and describe an experimental test bench for improved flow meter verification in which the sensor element is exposed to direct electromagnetic excitation so that it vibrates at a specified controllable frequency. The tests were performed using a Yokogawa flow meter on the experimental test bench. The results obtained confirmed that the enhanced method for verification of the vortex flow meter is feasible for practical applications. [ABSTRACT FROM AUTHOR]