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RE: Proximity sensor for RSG



Original poster: "Jim Lux by way of Terry Fritz <teslalist-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>

At 07:27 AM 3/28/2003 -0700, you wrote:
>Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>" 
><Marco.Denicolai-at-tellabs-dot-com>
>
>Hello all,
>
>I eventually purchased an inductive proximity sensor which is intended
>for use with welding robots. Its front face is teflon covered and can
>stand static and pulsing magnetic fields up to 200 mT.
>
>I'll get it within two weeks. Let's see if it will detect the metal
>mixture of Thor's electrodes (tungsten 1.5 mm and steel). I found
>nowhere the reduction factor for 2% thoriated tungsten.
>
>Anybody any clue about 2% thoriated tungsten magnetic properties (the
>dope is actually thorium dioxide, IMHO)?
>
>Regards

I'll bet it's nonmagnetic.  Tungsten isn't in that class of "ferrous" 
metals like iron and nickel.