
Cathodic protection inspections, made simple.
Protecting the integrity of subsea assets starts with reliable cathodic protection inspections. SentinelCP enables operators to accurately assess cathodic protection performance, helping identify corrosion at an early stage so maintenance can be planned before issues become costly failures.
Building on years of proven operational experience, SentinelCP has been redesigned to deliver greater flexibility, improved usability and a more compact solution for today’s subsea inspection requirements. Designed for deployment across both observation-class and work-class ROVs, SentinelCP combines dependable performance with straightforward operation, giving survey teams everything they need to carry out efficient CP inspections with confidence.
Whether supporting offshore energy or marine infrastructure projects, SentinelCP delivers reliable results in even the most demanding subsea environments.

Why choose SentinelCP?
Key Benefits
- Improve asset integrity – Identify corrosion at an early stage to support informed maintenance decisions, helping extend the operational life of critical subsea assets.
- Reduce downtime and maintenance costs – Built for reliability with a robust design that minimises maintenance requirements and keeps inspection programmes moving.
- Next-generation operational flexibility – Compatible with both observation-class and work-class ROVs, providing a versatile solution across a wide range of subsea inspection projects.
- Simplify offshore operations – Everything required to perform cathodic protection inspections is supplied in one complete solution, helping reduce mobilisation time and improve operational efficiency.
Key Features
Designed for dependable subsea inspections
- More compact, lightweight design
- Enhanced software for a simpler user experience
- Greater mounting flexibility across ROV platforms
- Complete inspection solution with calibration equipment and consumables
- Robust design built for demanding offshore environments
- Supported by STR’s experienced technical team
Downloads

“SentinelCP has been designed to make cathodic protection inspections as simple and dependable as possible, giving customers a complete solution backed by the expertise and support of the STR team.”
James Baxter,
R&D Manager

BENEFIT OVERVIEW
Flexible Operations
Asset Integrity
SimpLIFY Operations
REDUCED MAINTENANCE COSTS

Supporting critical subsea infrastructure
SentinelCP is designed to support cathodic protection inspections across a broad range of subsea assets, including:
Offshore oil & gas infrastructure
Offshore wind foundations and substations
Subsea pipelines and power cable protection systems
Marine civil engineering structures
Supported by STR’s experienced technical team
Trusted in the field
Building on the proven performance of STR SeaCP, SentinelCP has already been successfully deployed with leading survey companies during beta testing, receiving highly favourable feedback for its reliability, ease of use and overall performance.

Ready to simplify your next cathodic protection inspection?
Speak to the STR team to discover how SentinelCP can support your next subsea inspection project.
CONTACT
Get in touch with STR
If you’d like to discuss your subsea project with us, or have a question for our team, please complete this form and we will respond as soon as possible.


