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- since 1996 -

Hi-Spec Systems
we are specialised in the design, development and manufacture of Phased Array and Time-of-Flight Diffraction (ToFD) ultrasonic inspection systems.
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Technical Discussions
Yossi Shoef
NDT Inspector
Gabi Shoef Ltd, Israel, Joined Dec 2005, 19

Yossi Shoef

NDT Inspector
Gabi Shoef Ltd,
Israel,
Joined Dec 2005
19
03:40 Feb-07-2008
thickness for annular plates

Does anyone know of a technique to measure the thickness of the annular plates in Aboveground Storage Tank within the critical zone (3") when entry to the tank can not be gained?


 
 Reply 
 
burhanudin sudharmin
Engineering, Reliability and Integrity Eng
Shell Malaysia Trading, Malaysia, Joined Jan 2008, 54

burhanudin sudharmin

Engineering, Reliability and Integrity Eng
Shell Malaysia Trading,
Malaysia,
Joined Jan 2008
54
05:36 Feb-07-2008
Re: thickness for annular plates
The use of PEC (pulse eddy current) was initiated some years ago if I can recall it correctly. The probe is placed on the outer section of the annular plate and the signal transmitted will register thickness readings within the critical zone.

----------- Start Original Message -----------
: Does anyone know of a technique to measure the thickness of the annular plates in Aboveground Storage Tank within the critical zone (3") when entry to the tank can not be gained?
------------ End Original Message ------------




 
 Reply 
 
Alex McLay
Alex McLay
02:20 Feb-08-2008
Re: thickness for annular plates
--It is possible to use the PEC system with a thin transducer.

--------- Start Original Message -----------
: Does anyone know of a technique to measure the thickness of the annular plates in Aboveground Storage Tank within the critical zone (3") when entry to the tank can not be gained?
------------ End Original Message ------------




 
 Reply 
 

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