The Polatrak Deep-C-Meter Mk.II is a complete ROV interfaced Cathodic Protection, CP, Monitoring System. The model comprises of three basic parts; The Readout Unit, twin voltmeters housed in a stainless steel pressure housing. The Probe, a twin element, tip contact, CP probe (POLATRAK Model ROV II). The Flying Lead, a 2 meter long umbilical that connects the probe to the readout. Now the readout and probe units have been separated to allow far greater flexibility of operation.