C-Kore Subsea TDR

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The C-Kore Subsea TDR is a compact automated tool for testing subsea electrical assets.

It can be configured in advance or set up in the field easily by the end-user. It is simple to use, automating the previously complex work of driving a TDR.

C-Kore Subsea TDR

TDR & Cable Monitor integration: Pinpointing cable faults

The TDR is normally used in tandem with the Cable Monitor for fault-finding. Once the Cable Monitor has narrowed the location of a fault to a single component (for example an in-field umbilical) the TDR is used to precisely identify where in the cable the fault resides.

This knowledge can be used to inform repair versus replacement strategies. By measuring directly subsea, the problems of deck-based downline testing are eliminated, including impedance mismatches, offset errors, faulty downlines and the difficulty of driving the TDR correctly.

Smart TDR testing for new assets

For new asset installation the TDR can be used to characterise cables for future reference and find discontinuities in impedance that have not effected the insulation resistance. As this testing is automated, vessel time and personnel requirements can be reduced to achieve cost savings. The unit can be deployed subsea to take TDR readings directly once installation is complete.

The unit is powered by a high-capacity rechargeable battery for stand-alone operation. Simple user configuration is possible with a plug-and-play USB connection to choose what the unit will test and when. Every result is data-logged and the unit has built-in software for result analysis.

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KEY FEATURES

Localise Faults
Detect the location of cable shorts, breaks and discontinuities. Identify fault types – short/open circuits, water ingress, splices.

Long Range
Measurement 20km+ possible (dependent on cable properties). Automated pulse and
step-modes for long and short-range testing.

High Resolution
Locate faults with 10cm resolution, analyse with built-in software. Programmable impedance, velocity of propagation and gain.

Physical Shock
Measures impacts, acceleration and orientation changes. Logs shocks up to 200G in all 3 axis.

Temperature
Monitor environmental conditions during storage and transit. Accurate measurement over complete temperature range.

Voltage
Detect galvanic voltages and residual charge. Automatic flagging of voltage readings.

Download Technical Specification