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Does anyone have history with measuring linear distances?

Discussion in 'Sensors and Actuators' started by Cobikys, Jul 28, 2018.

  1. Cobikys

    Cobikys

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    Jul 28, 2018
    I have a project am working on, I need advise on sensors applicable to linear measurement
     
  2. WHONOES

    WHONOES

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    May 20, 2017
    Measuring what over what distance?
     
  3. Minder

    Minder

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    Apr 24, 2015
    You need to state your application, the question is too broad.
    e.g. for machine tool use there is linear scales.
    M.
     
  4. Nanren888

    Nanren888

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    Nov 8, 2015
  5. Cobikys

    Cobikys

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    Jul 28, 2018
    Leasirijg


    Measuring the lenght of a string
     
    Last edited by a moderator: Jul 29, 2018
  6. Cobikys

    Cobikys

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    Jul 28, 2018
    I want to measure a strings lenght in real time, like if the strings lenght reduce it senses it and vice versa
     
  7. hexreader

    hexreader

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    Apr 21, 2011
    You mean - "how long is a piece of string?"

    ROFL
     
    Last edited: Jul 28, 2018
    davenn likes this.
  8. Minder

    Minder

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    Apr 24, 2015
    So how long is this piece of string!
    Are we talking shrinkage? Or is it being reeled in?
    Still NEI!
    M.
     
  9. Cobikys

    Cobikys

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    Jul 28, 2018
    It's been reeled in
     
  10. kellys_eye

    kellys_eye

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    Jun 25, 2010
    Put one turn around a pulley of known diameter and measure the rotation of that pulley.
     
  11. Bluejets

    Bluejets

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    Oct 5, 2014
    I think that blood moon has struck again.o_O
     
    davenn likes this.
  12. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Jan 21, 2010
    Yes, I think we have.
     
    darren adcock and davenn like this.
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