Pipeline Current Mapper (PCM) The integrity of buried pipelines is of paramount importance for safety, environmental and cost reasons. PCMx Radiodetection’s advanced PCMx system enables corrosion and Cathodic Protection System (CPS) professionals to evaluate the condition and effectiveness of pipeline coatings. BROCHURE SI 50 and SI 100 Smart Interrupters Advanced Solid State Cathodic Protection Interrupters for pipeline technicians. BROCHURE