Monday, February 1, 2016

Genrad V-5 Series Variac

 Just brought this heavy piece of equipment home today. I dig the vintage industrial look and feel.

Might as well point at the wood floors I just refinished 8-)

The cage is super cool.....

Here is the manual if anyone is looking for it. Would be difficult to hook up without....




6 comments:

  1. Genrad built some beautiful stuff.

    I love reading the docs like thos, but it would be a lot better to scan them on a flatbed scanner and reduce them to monochrome

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    Replies
    1. You are correct but my scanner quit functioning and I was to lazy to get another but I should.

      Delete
  2. I too have a General Radio Variac I've used for 30 years. However mine is only single phase. Do you have a use for 3 phase? If not, may I suggest you remove and store the brushes from the unused sections. You would be wearing them out for no purpose. And they are expensive to replace.

    http://www.carbonbrush.com/variacbrush.htm

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    Replies
    1. Correct me if I am wrong.

      I can connect all three sections together and use normally or I can wire each section separately with its own plug. Then I can bring up two or three devices up together..

      Thanks for the brushes link!

      Delete
    2. Yes, you are correct. You certainly could dedicate it to (a) device(s).

      My use is in testing as I build new designs. I want to be certain initial voltage never exceeds tube nor capacitor maximums. Once testing is done I use thermistors in the circuit to soft start.

      Delete

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