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Cable Sentry provides a single, real-time monitoring and fault-finding solution with the sensitivity to identify cable sections susceptible to failure or faults.  Using DAS, Cable Sentry offers a fault pre-location which can achieve accuracy of up to 10m.

Working with OptaSense who employ the best scientists in the industry, long-established Distributed Acoustic Sensing (DAS) technology is used in a new and innovative way to transform standard fibre optic cables into thousands of virtual microphones, enabling complete monitoring along the entire length of your subsea cable assets.

The system can be fitted to existing fibre optic cables to turn them into thousands of cost-effective sensors able to detect issues such as cable faults, free span oscillation and pressure changes more accurately than traditional methods and tools.

An energy surge along the cable creates acoustic signatures that can be interpreted by the fibre optic response signal, which is linked to a user interface (such as a monitor, tablet or phone) that monitors behaviour over time and classifies signals above a set threshold or signatures based on acoustic profiles.

 

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