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TIG Multiprocess 200

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  • TIG Multiprocess 200

    I have read somewhere that the Multi 200 dosent allow for AC TIG. The Instruction in the book says DC as much as possibe. (or something to that effect) But clearly dosent say you can't or shoudnt.In my simple assesment of the situation it dosent seem that difficult to switch the leads. Im unclear if the gas is fed though the AC port. This might be the smoking gun. Anyone could clear this up for me that would be great. At this point Im sticking we TIg DC and the aluminum spool gunThanks

  • #2
    No ac tig...

    Originally posted by azindianrider View Post
    I have read somewhere that the Multi 200 dosent allow for AC TIG. The Instruction in the book says DC as much as possibe. (or something to that effect) But clearly dosent say you can't or shoudnt.In my simple assesment of the situation it dosent seem that difficult to switch the leads. Im unclear if the gas is fed though the AC port. This might be the smoking gun. Anyone could clear this up for me that would be great. At this point Im sticking we TIg DC and the aluminum spool gunThanks
    The Multimatic 200 has NO AC TIG capability... Period...

    Sorry...

    http://www.millerwelds.com/pdf/spec_sheets/DC12-57.pdf
    Last edited by H80N; 03-17-2015, 05:30 PM.
    .

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    • #3
      The leads themselves are only positive and negative. Switching the leads would only switch between DC+ and DC-. AC is totally different.
      Last edited by ja baudin; 03-17-2015, 03:28 PM.
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      • #4
        Page 63 of the Multimatic 200 User's manual says "Whenever possible and practical, use DC weld output instead of AC weld output.".

        However, that section is not specific to the MM 200. It is a general guide for selecting and preparing tungstens for DC or AC machines. Note that they also tell you what size tungsten to use for 250+ amps - which also does not apply to your MM 200.
        Last edited by mbramble; 03-17-2015, 05:17 PM.

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        • #5
          Welcome to the forum.
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