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Sensors 2007, 7(1), 75-83; doi:10.3390/s7010075

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

1
Department of Electrical and Electronic Engineering, Engineering Faculty, Dokuz Eylul University, Buca, Izmir, Turkey
2
Department of Electrical and Electronic Engineering, Engineering Faculty, Dokuz Eylul University, Buca, Izmir, Turkey
*
Author to whom correspondence should be addressed.
Received: 8 August 2006 / Accepted: 23 January 2007 / Published: 26 January 2007
(This article belongs to the Special Issue Sensors in Flow Analysis)
View Full-Text   |   Download PDF [166 KB, uploaded 21 June 2014]   |  

Abstract

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)
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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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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