Development of an Electromagnetic Flowmeter with Dual Frequency Excitation

Tiejun Liu (China Jiliang University)
Tongsheng Gong (China Jiliang University)
Yinjia Chen (China Jiliang University)

Indonesian Journal of Electrical Engineering and Computer Science
Vol 10, No 8: December 2012

A design of electromagnetic flowmeter with time division dual frequency excitation is proposed. The new design keeps the advantages of zero-point stability of the conventional electromagnetic flowmeter.The immunity to low frequency noise is enhanced, and the dynamic response to the fast change of flow velocity is improved. A prototype flowmeter was made based on the proposed design. The experiment result shows that the prototype flowmeter can measure water flow in a wide velocity range with satisfactory accuracy. DOI: http://dx.doi.org/10.11591/telkomnika.v10i8.1633