AMPP CP1 Tester
AMPP CP1 Cathodic Protection Tester
Field MeasurementEnglish
Exam overviewPractice session
A CP tester measures a pipe-to-soil potential of -900 mV vs CSE with the rectifier ON. After instant-off, the potential reads -780 mV vs CSE. Which of the following statements is MOST accurate?
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