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Convert voltage to acceleration

  1. Mar 30, 2012 #1
    May i know how to convert voltage to acceleration from accelerometer ?

    output voltage = 2.5 v and sensitivity of accelerometer is 9.9mv/g
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Mar 30, 2012 #2

    gneill

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    Staff: Mentor

    Look at the units you're starting with and what the units are for the conversion constant ("sensitivity"). Do you want to multiply or divide to get the units you're looking for?
     
  4. Mar 31, 2012 #3
    can voltage divide sensitivity of accelerometer to get acceleration result ?

    v / mv/g = g
     
  5. Mar 31, 2012 #4

    tiny-tim

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    hi manutdkaki :smile:
    that's right …

    the beauty of units is that they multiply and divide exactly like ordinary fractions :smile:

    v / (mv/g) = vg/mv = g/m = kg :wink:
     
  6. Mar 31, 2012 #5
    v/(mv/g)

    v is voltage
    mv = milivoltage
    g= acceleration

    got any book source to prove it ?
    thanks
     
  7. Mar 31, 2012 #6

    tiny-tim

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  8. Mar 31, 2012 #7
    i hope can get from instrumentation book to prove it . thanks tiny-tim
     
  9. Mar 31, 2012 #8

    jack action

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    Units are treated as variables. So you can prove it with elementary algebra. I guess you need a book on algebra.
     
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