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PR-186-9220-R01 The Use of Coupons for Estimating Off-Potential
Abstract
A feasibility study to examine the use of coupons for measuring the polarized potential of a pipe. This study was a 15-month effort (1992-1993) with the objective being to provide proof of concept for the ability of coupons installed near the pipe surface to estimate the polarized potential of the pipe without interruption of the cathodic protection system. The incentive for performing this project was to provide an additional means of evaluating the polarized potential of a pipeline in areas where interruption of all current to the pipeline is difficult or impossible to perform.
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PR-186-9220-R01 The Use of Coupons for Estimating Off-Potential
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