The test post is a key device in the cathodic protection system of long-distance pipelines, used to measure parameters such as potential, current, and insulation performance. It is of vital importance for evaluating and ensuring the anti-corrosion effect of the pipeline. The test post serve as the "health check station" for the pipeline cathodic protection system. By regularly or continuously monitoring key parameters, they provide indispensable data support for evaluating the anti-corrosion effect and promptly identifying potential hazards. They are an important facility for ensuring the safe operation of the energy arteries.
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