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Embedded and Microcontrollers
Embedded Forum Design Challenge : accurately measure several liquids in a container
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  • Replies 6 replies
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  • design_challenge
  • desgin
  • microcontrollers
  • microcontroller
  • programmable_logic
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Related

Design Challenge : accurately measure several liquids in a container

Catwell
Catwell over 15 years ago
It has been a while since my last Design Challenge to the community, but it's time to get back into the groove and working the prefrontal cortex. Innovation is spurred through creative thinking, so give it a shot even if you don't reply.
 
Similar to one I proposed in the past, Measuring liquid inside a closed container, but now you can put anything you want into the container. But it isn't that easy. I want to measure two different liquids that a present in the container, water and oil.
 
Here are the requirements:
1. Monitor a container that is between 10-15 feet tall and 10 feet in diameter
2. Report the whole volume of liquid in the container
3. Report the amount of water, or water level
4. Report how much total oil is present
5. Constantly measure changes
6. Report back with an accuracy of about a 1/10th of a gallon. (or as accurate as possible)

 
 
I have a few ideas, but I don't want to contaminate early ideas with my own.

 
 
There is not right or wrong answer, so give it a shot.

 
 
Cabe


Check out some other challenges:
Design Challenge : relay spike protection
Design Challenge : The Amateur Fireworks Show
Thought Experiment; Detecting Distance
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  • Former Member
    0 Former Member over 15 years ago

    Put it in a container with a clear section, put a measure up the side and once the liquids have settled read off the values?

    Done and dusted image

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  • Former Member
    0 Former Member over 15 years ago

    Put it in a container with a clear section, put a measure up the side and once the liquids have settled read off the values?

    Done and dusted image

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  • Catwell
    0 Catwell over 15 years ago in reply to Former Member

    Tom,

     

    That is really not an option. The container is too large, and the contents of the container change quite regularly. I want to monitor the vat 24/7 with constant precision. And hiring a guy to "eyeball" the levels seems like it may lead to inaccurate results.

     

    Have any other ideas from an EDE viewpoint?

     

    Cabe

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