Cathodic protection monitoring is a corrosion prevention method used on buried pipelines. It involves the use of equipment, sensors and alarms to detect changes in pipeline chemical composition or leaks by making the pipeline a cathode of an electrochemical cell.
Cathodic protection monitoring involves regular inspections performed by pipeline operators to perform measurements at rectifiers and cathodic protection test points along a pipeline. Increasingly, automated options using satellites, cell phones or drone systems are used for remote inspections.
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