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Polatrak® Deep C Meter

Polatrak® Deep C Meter

The Deep C Meter™ is the premier ROV cathodic-protection survey system for use in deep water.

The Polatrak® Deep C Meter™ is designed for rugged service on a work-class ROV. The unit can integrate fully with ROV systems for power and data transfer, or it can operate as a visual inspection unit, with no interface with the ROV umbilical. The unit is rated to 3000 m depths, and each unit is built and tested in Deepwater’s Houston manufacturing facility.

The stab survey method records the actual steel potential with periodic stabs every 1 – 3 km. The potential between stabs can be accurately calculated with pipeline attenuation modeling. Deep C Meter ™ software in Stab Survey mode records events and exports a completed survey for the engineers to model.

The remote electrode method calibrates a remote reading with periodic stabs of bare steel along the pipeline.  The data is then aligned in post processing.  Not as accurate as a stab survey, but required in some regions. Deep C Meter™ software in Remote mode outputs stab events and the complete set of readings from the proximity electrode for processing.


2 x Ag/AgCl Sealed Electrode Elements

3,000m Depth

Proximity, Contact and Field Gradient Reading Type

ROV Deployment
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