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Vol. 164, Issue 2, February 2014, pp. 36-43




A Circuit Design and its Experimental Analysis for Electromagnetic Flowmeter in Measurement of Sewage

1 Huang Yu-Hang, 2 Zhu Wei-Hua, 3 Jiang Xingfang

1 Changzhou Vocational College of Information Technology, Changzhou, 213164, China
2 Government procurement center of Changzhou, Changzhou, 213001, China
3 Research Institute of Photoelectric Technology, Changzhou University, Changzhou, 213164, China
1 Tel.: 13616122808

1 E-mail: weehouse6611@eyou.com


Received: 18 November 2013 /Accepted: 28 January 2014 /Published: 28 February 2014

Digital Sensors and Sensor Sysstems


Abstract: There are many problems in the traditional electromagnetic flowmeter. The problems involve three aspects. The first one is that the measurement precision is low. The second one is that the measurement range is narrow. The third one is that the test results are susceptible to interference. For the problems a new electromagnetic flowmeter controlled by single-chip microcomputer has been proposed. The medium/large-sized electromagnetic flowmeter is suitable for measurement of sewage. The software and hardware circuit of the electromagnetic flowmeter has been designed and tested. The tested data have been analyzed by the least square method and the error is 0.8 %. The result shown that the electromagnetic flowmeter controlled by single-chip microcomputer for measurement of sewage has reached the advanced level of similar products at home and abroad.


Keywords: Electromagnetic flowmeter, Designing scheme, Testing method, Result analysis.


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