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Sonotron NDT
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Technical Discussions
Tamer Al Rayes
Tamer Al Rayes
02:46 Feb-07-2001
How to detect insulator cracks

I would like to know the best way to detect cracks in transmission line insulators .
Is this done by thermal imagers ,or ultrasonic probes or what ??
with best regards.


    
 
 Reply 
 
Jens Forker
Jens Forker
08:19 Feb-08-2001
Re: How to detect insulator cracks
Dear Mr Tamer Al Rayes
if you want to detect crack formation during crimping of the end fittings AE can be a valuable online monitoring tool. Please contact me for further information.
Regards
Jens Forker


: I would like to know the best way to detect cracks in transmission line insulators .
: Is this done by thermal imagers ,or ultrasonic probes or what ??
: with best regards.
.



    
 
 Reply 
 
P. Palanichamy
R & D, SCIENTIFIC OFFICER
INDIRA GANDHI CENTRE FOR ATOMIC RESEACH, India, Joined Jul 2000, 10

P. Palanichamy

R & D, SCIENTIFIC OFFICER
INDIRA GANDHI CENTRE FOR ATOMIC RESEACH,
India,
Joined Jul 2000
10
02:14 Feb-08-2001
Re: How to detect insulator cracks
: I would like to know the best way to detect cracks in transmission line insulators .
: Is this done by thermal imagers ,or ultrasonic probes or what ??
: with best regards.
.
Dear Mr. Tamer Al Rayes,

You can detect cracks using the following techniques:
Thermography
Dry-couplat ultrasonics
Coin tape test - for qualitative assessment.

I am more familiar with dry-couplant technique.

With best regards,

P. Palanichamy
---------------


    
 
 Reply 
 

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