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Zawada NDT
Suppliers of instruments to test steel wire ropes in-situ, using magnetic, non-destructive method.
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Technical Discussions
inspjob
Engineering, INSPECTION ENGINEER
supreme excel ndt services TRICHY, India, Joined Jul 2005, 6

inspjob

Engineering, INSPECTION ENGINEER
supreme excel ndt services TRICHY,
India,
Joined Jul 2005
6
06:40 Jan-26-2006
AMPS SELECTION IN MPI

Dears,
how we can calculate the AMPERE while doing MPI wet method r dry method ,based on wall thikness r prode space.


 
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Roberto Falconio
Engineering, NDT/Metrology SUPERVISOR
El Salvador, Joined Feb 2000, 13

Roberto Falconio

Engineering, NDT/Metrology SUPERVISOR
El Salvador,
Joined Feb 2000
13
00:05 Jan-27-2006
Re: AMPS SELECTION IN MPI
If I understand you are using PROD TECHNIQUE, you may use ASTM E1444 fo rmaterial UP to 3/4" 90-115 Amp/in of prod spacing, For materials graeter that 3/4" 100-125 Amp/ in of prod spacing, You may use also a QQI to verify if the selected amperage is giving the magnetic field strenght you are requiring. keep in mind that MAx prod spacing is 8 in.

Hope it works

BEst Regards
Roberto Falconio
AEROMAN TACA
----------- Start Original Message -----------
: Dears,
: how we can calculate the AMPERE while doing MPI wet method r dry method ,based on wall thikness r prode space.
------------ End Original Message ------------




 
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