water quantity measuring


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  1. #1
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    Mar 2014
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    Default water quantity measuring

    Dear all
    Can any one show me how to measure water automatically in a bottle
    I want to fill 500 ml in a bottle automatically only 1 press
    Thank in advancei

  2. #2
    Join Date
    Oct 2004
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    Default Re: water quantity measuring

    RathaMsc

    Medical products engineering makes use of dispensing precision volumes.
    Try Goggle.

    Norm

  3. #3
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    Nov 2005
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    Default Re: water quantity measuring

    If you know the rate of flow (known pressure into a tube with known orifice size), it is easy to fill exactly 500ml by just timing how long the water should flow through such a tube. A simple solenoid should be sufficient to do that.

  4. #4
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    May 2008
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    Default Re: water quantity measuring

    ... Or you can use a load cell and measure the weight via ADC.
    A home made dynamometer can be easily built with a spring and a switch.

    Cheers

    Al.
    All progress began with an idea

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