Can You Build a Flow Meter with Basic Electronic Components?

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SUMMARY

This discussion focuses on building a flow meter using basic electronic components such as resistors and capacitors. A recommended approach is to create a positive displacement flowmeter, which displaces a consistent volume of fluid with each cycle of motion, such as a piston or rotating shaft. To measure the flow rate, users can utilize a magnetic pickup sensor to count the frequency of the motion, which can be visualized using an oscilloscope. This method effectively combines basic electrical engineering principles with practical application.

PREREQUISITES
  • Basic knowledge of electronic components (resistors, capacitors)
  • Understanding of positive displacement flowmeter principles
  • Familiarity with magnetic pickup sensors
  • Experience using an oscilloscope
NEXT STEPS
  • Research the design and operation of positive displacement flowmeters
  • Learn how to implement magnetic pickup sensors in flow measurement
  • Explore the use of oscilloscopes for visualizing frequency data
  • Investigate alternative flow measurement techniques using basic components
USEFUL FOR

Electrical engineering students, hobbyists interested in fluid dynamics, and anyone looking to build a flow meter using basic electronic components.

robertjrbobby
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how do i make a flow meter, using whatever like resistors, capacitors, and make the flow meter go like 10 second per etc help need...i am in EE 2ll basic circuit engineerin? thanks
 
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If you wanted to do this without the electrical stuff it's even easier. However, since you are an EE major that would defeat the purpose I guess.

The easiest thing I can think of is to make a positive displacement flowmeter. That means that for every cycle of the meter's motion (piston or shaft rotating) the same amount of fluid is displaced. The only thing that changes is the speed at which it operates. From your end, the only thing you have to have is something to count frequency. You can do that with a mag pick up and notches on a shaft hooked to an o-scope.
 

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