The brief analysis of the electromagnetic flowmeter factory output shaking the cause of the problem

Electromagnetic flowmeter at the time of measuring output liquid medium, it is easy to appear the output to shake, this is how to return a responsibility? Next, we analyze the reasons for this situation for everyone. Cause analysis: 1, the pipe is not filled with liquid or liquid containing bubbles. Solution: if you sure are a lot of bubbles influence the measurement results of electromagnetic flowmeter medicine after judgment is introduced by installed a large number of bubbles into the liquid, if the meter is installed in the piping and high storage of gas inhalation of air flow meter or the outside world shaking, change the installation location is a valid solution, in the larger diameter or installation position is not easy to change, suggest in the upstream flow meters installed gas collecting bag and exhaust valve, remove excess gas, reduce the influence factors of the result of the measurement, to ensure accurate measurement. 2, the stray current and other electrical and magnetic interference. Solution: because of the small flow signals are susceptible to interference, interference sources are mainly pipeline stray current, static electricity, electromagnetic wave and magnetic field. Pipeline stray current mainly by flowmeter good grounding protection, grounding resistance is usually less than 10 Ω, don't share grounding and other motor and electric appliance. 3, the flow itself is fluctuations or pulse. Solution: use the site asked the operators and personnel process technology or tour ever wave source. Flowmeter upstream vortex ever choked flow in pipe. In line with pulsating flow source, to reduce their impact on the flow meter, usually take the flow sensor from pulse source, using pipe flow pulsating flow resistance attenuation, or in the proper position of the pipeline buffer, is referred to as passive filter chamber absorption pulsation. Above we analyzed the electromagnetic flowmeter for everybody factory output sway in reason, and provides the corresponding solutions, hope to be of help. If you want to learn more knowledge of flowmeter, can focus on website content updates, or telephone consultation.

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