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connectors for instrumentation

Discussion in 'Electronic Equipment' started by Bob Morein, Aug 30, 2003.

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  1. Bob Morein

    Bob Morein Guest

    I have an experimental rig I need to instrument with delicate strain gauge
    wires and other sensors, attached to plastic pipes.
    I'm looking for connectors that will allow segmenting the wiring.
    They need to be balanced, ie., 2 conductor + braid, should be smaller than
    XLR, and it would be nice if they were easy to wire up.

    I don't think that minature 3 conductor mic plugs are robust enough for

    Any suggestions?
  2. CJT

    CJT Guest

    I'd be concerned about thermal emf every time you change metals.
  3. CWatters

    CWatters Guest

  4. Harvey White

    Harvey White Guest

    Miniature DIN connectors. How much do you plan to connect/disconnect
    these, and how much strain do you think they will be under?

  5. Bob Morein

    Bob Morein Guest

    The connector should have at least passive locking, ie., a detent that keeps
    it snug, since vibration could be a problem.
    My experience with mini-din is that they work loose very easily.
  6. CWatters

    CWatters Guest

    I spent a long time looking for 2+E bayonet connectors earlier this year....
    and couldn't find any really small/cheap ones. The best I managed were
    these. links.. (12mm overall) (13mm diameter).

    The 400 Series Buccaneer range (19mm) are threaded and waterproof.

    This site also has some small ones hidden away with the big military style

    ... but I expect they are expensive.
  7. Bob Morein

    Bob Morein Guest

    Thanks. I'm thinking maybe the Hirose series of plastic connectors.
    They're cheap, easy to work with, and have passive detent locking.
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