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Topic Title: TDR (Time Domain Reflectometry) Testing
Topic Summary: Looking for Services
Created On: 01 August 2011 09:25 AM
Status: Read Only
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 01 August 2011 09:25 AM
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Posts: 17
Joined: 25 July 2008

Morning folks,

Can anyone please advise if they've carried out, or used a 3rd Party, to carry out TDR Testing on cables?

We currently have a 16km Umbilical where we suspect there's a fault in one of the power cables (2c 10mm2). The other power cable is currently powering the equipment subsea so cannot be shut off for testing.

We'd like to mobilise a competent, trained 3rd Party to carry out some testing and correctly interpret the results from the Megger TDR, but I'm struggling to find anyone who's available.

I'd appreciate a list of companies that can carry out this testing.

Thanks for any info,

 01 September 2011 12:30 PM
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Joined: 21 July 2011

Not sure of your location but my employer J+S ltd does this service out of Aberdeen, uk, mainly for offshore oil & gas installations
but can do it anywhere.
 25 February 2013 10:55 PM
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Posts: 8
Joined: 25 February 2013

Hi Niall

This is probably a bit late for you but I would not have thought that a megger TDR would be effective at that range.

For umbilical applications you would be looking at needing to use a SebaKMT T30E ( strangely enough since your original post megger has actually bought the Seba) it has a range of around 60km.

We have meggers, Biccotest and Seba T30E in our hire fleet and I can recommend a number of extremely experienced users if anyone wants to drop me a line.

Paul Tuson
Inlec Test Equipment Hire

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