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Displacement transducers:request of help

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  • Displacement transducers:request of help

    Dear netters,

    I am looking for some displacement transducers to track plane motion with
    the following requirements:
    - range: 1 mmm;
    - accuracy: better than 1 micron;
    - able to measure motion along two directions in a plane (i.e. Eddie
    current and similar proximity transducers do not work).

    At the moment I could think only of using 2 extensometers or 2 LVDT to
    track the two displacement component.

    I would be interested either in some "mechanical" transducer or any
    non-contact transducer. Does anyone know of commercially available solution
    for this application?
    Any suggestion will be welcome. As usual, I'll post a list of the replies.

    Thanks you in advance and season greetings to everyone.

    Luca Cristofolini

    Laboratorio di Tecnologia dei Materiali tel. 39-(0)51-6366864
    Centro di Ricerca Codivilla-Putti fax. 39-(0)51-6366863
    Istituti Ortopedici Rizzoli