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Open AccessArticle

E.M.I Effects of Cathodic Protection on Electromagnetic Flowmeters

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Department of Electrical and Electronic Engineering, Engineering Faculty, Dokuz Eylul University, Buca, Izmir, Turkey
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Department of Electrical and Electronic Engineering, Engineering Faculty, Dokuz Eylul University, Buca, Izmir, Turkey
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Author to whom correspondence should be addressed.
Sensors 2007, 7(1), 75-83; https://doi.org/10.3390/s7010075
Received: 8 August 2006 / Accepted: 23 January 2007 / Published: 26 January 2007
(This article belongs to the Special Issue Sensors in Flow Analysis)
Electromagnetic flowmeters are used to measure the speed of water flow in water distribution systems. Corrosion problem in metal pipelines can be solved by cathodic protection methods. This paper presents a research on corruptive effects of the cathodic protection system on electromagnetic flowmeter depending on its measuring principle. Experimental measurements are realized on the water distribution pipelines of the Izmir Municipality, Department of Water and Drainage Administration (IZSU) in Turkey and measurement results are given. Experimental results proved that the values measured by the electromagnetic flowmeter (EMF) are affected by cathodic protection system current. Comments on the measurement results are made and precautions to be taken are proposed. View Full-Text
Keywords: Corrosion; cathodic protection methods; electromagnetic flowmeter (EMF); electromagnetic interference (EMI) Corrosion; cathodic protection methods; electromagnetic flowmeter (EMF); electromagnetic interference (EMI)
MDPI and ACS Style

Gundogdu, S.; Sahin, O. E.M.I Effects of Cathodic Protection on Electromagnetic Flowmeters. Sensors 2007, 7, 75-83.

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