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Conversion formula creation assistance

  1. Apr 4, 2010 #1
    Hi,

    I'm working on a project that uses a mass air flow sensor. It outputs a signal in hertz which relates to grams per second.

    I am trying to create a formula that I can use to easily convert the Hz to G/s.

    I have only been able to get a few samples of information to assist in the creation of the formula.

    Is it possible to generate a formula from these data points?

    Note: some of this data may be off by a few percent.

    G/s Hertz
    0 1700
    2.75 4300
    5.8 5680
    3.97 4880
    3.7 4800
    6 5800
    10.2 7150
    12.4 7800
    2.8 4300
    3.1 4500
    2.75 4300
    13.53 8200
    15.6 8800
    22 9800
    26 10500
    28 11000
    35 12100
    44 13000

    Any help is appreciated

    -Cad
     
  2. jcsd
  3. Apr 4, 2010 #2

    Integral

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    Have you tried plotting this data?
     
  4. Apr 4, 2010 #3
    I have put it into a graph in excel. But I'm not to sure where to go from here.

    http://gi161.photobucket.com/groups/t208/O8ECKS3D6V/Untitled.png



    -Cad
     
  5. Apr 4, 2010 #4

    Integral

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    Staff Emeritus
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    Gold Member

    A good start would be to add a linear trend line, use the formula for the trend line as your model.
     
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