Selection Guide for Anti-Vibration Vortex Flowmeters Based on Field Measurement Data 

   The start and stop of pumps and valves and equipment vibration in industrial sites often cause traditional vortex flowmeters to lose their bearings, with frequent jumps in measurement values and inaccurate data. Anti-vibration vortex flowmeters have emerged, claiming to be as stable as a mountain. However, with different anti-vibration technical routes in the market, how can you choose the one that truly solves your on-site problems? We have conducted in-depth tests in multiple high-vibration industrial scenarios to reveal the answer for you.

Core showdown: The technical route determines the anti-vibration limit

    The current mainstream anti-vibration technologies fall into two major categories. One is the sensor hardware upgrade camp, which uses dual piezoelectric crystal differential detection, enhanced cantilever structure, etc., to enhance the rigidity of the probe at the physical level and directly resist mechanical vibration interference at specific frequencies. Tests show that this type performs stably in scenarios with fixed-frequency vibrations caused by pumps, compressors, etc. The other is the digital signal processing camp, which uses an internal digital signal processor (DSP) to perform spectral analysis and intelligent filtering on the original signal, enabling dynamic identification and removal of a wide range of vibration noises. It is more adaptable in complex vibration environments with multiple sources and variable frequencies. Tests show that the former is more accurate in targeting regular vibrations, while the latter is better at filtering chaotic vibrations.

On-site tests: Matching the working conditions is key

    At the outlet of a centrifugal pump in a certain chemical plant (with a main vibration frequency of about 85Hz), the hardware-upgraded instrument reduced the fluctuation range from ±15% of the traditional instrument to within ±3%. In another compressor room with multiple parallel reciprocating machines (with a wide and changing vibration spectrum), the digital processing type instrument demonstrated its comprehensive advantages, stabilizing the flow signal that was almost unreadable with traditional instruments. The key to selection lies in analyzing the characteristics of your on-site vibration sources: is it a single stable frequency or a wide-frequency complex disturbance? Prioritize the technology that matches the main interference mode.

Selection checklist: More than just "anti-vibration"

    After locking in the core technology, you also need to consider comprehensively: Does the range ratio cover your flow variation range? Can the process connection and material withstand pipeline stress and medium corrosion? Do the certification qualifications (such as explosion-proof, intrinsically safe) meet the safety zone requirements? At the same time, the manufacturer's industry application cases and on-site commissioning support capabilities are equally important, as they determine whether the theoretical performance can be perfectly implemented on-site.

     Anti-vibration is a means, and stable measurement is the goal. Avoid the "arms race" of technical parameters, return to the analysis of real vibration working conditions, and match the core anti-vibration logic. Only then can the vortex flowmeter accurately capture the true pulse of each cubic meter of flow in a vibrating environment, becoming your reliable process eye.

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