Tank Level Monitor: Count 5 Seconds for Every Level Increase

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Discussion Overview

The discussion revolves around designing a circuit to monitor fluid levels in a tank, specifically focusing on counting 5 seconds each time the fluid reaches a new level. Participants explore various circuit designs and sensor options related to this application.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Homework-related

Main Points Raised

  • One participant suggests using a 555 timer to count 5 seconds for each level increase and inquires about the method of pouring water.
  • Another participant proposes using a capacitor sensor and questions the accuracy required for the monitoring system.
  • A different participant emphasizes the need for a circuit that simulates stopping the pump for 5 seconds after reaching each level and asks about using a monostable resettable timer.
  • Questions arise regarding the type of sensor being used, with one participant asking if a float type sensor is employed.
  • Clarification is sought on what is meant by "showing" the 5 seconds, with a suggestion to use a 555 timer configured as a monostable oscillator to indicate the elapsed time.

Areas of Agreement / Disagreement

Participants express various approaches and ideas, but there is no consensus on the specific circuit design or sensor type to be used. Multiple competing views remain regarding the implementation details.

Contextual Notes

Limitations include unclear definitions of sensor types and the accuracy requirements for the circuit. There are also unresolved questions about how to effectively display the timing of the 5-second intervals.

Who May Find This Useful

Individuals interested in circuit design, fluid monitoring systems, and timer applications may find this discussion relevant.

reinaldo
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Tank Level Monitor!

Hey Everybody!...i have a concern!...i need to do a circuit that moniotors me the level of a fluid in a tank...the thing is that i have the design...but i need to count 5 seconds everytime that the liquid gets to the next level...i mean...

the tank is empty...you start pouring water, when it gets to the first level it must activate a circuit that counts me 5 seconds...after that you continue pouring water, when you get to the next level it counts again 5 seconds!and so on to the 8th level...how would you do that??...what kind of circuit would you need there?...thanks a lot!...i´ll left you the schematic so you can see it!...
 

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just a small timer like 555 to count 5s. how are you puring water? because after 5s you need something to latch it to pour the water. if it takes a high signal to signal start of pour water then keep it low, after 5s sent high signal.

as to how to activate the signal, a method possible are capacitor sensor. look for a book called capacitive sensor by Baxter. Also what sort of accuracy?

Maybe you can send some current. When it hits the level you want, current will flow and complete a circuit, you start timer. once 5s pass, pour water and wait for next stage.
 
Its just a simple circuit!...i will pour the water...when it gets to the first level i´ll stop...and the timer must count 5 secs...and show it...ist to simulate or assume that there goes a circuit that stops the Pump for 5 secs or Xsecs and after that continues pouring until next level and so on...my point is...should i use a monoestable resetable?...or something else?...how with the same timer do i count the five secs and show it and then five seconds again...etc...thanks!
 
which sensor you are using...
 
what do you mean "and show it"? Indicate that 5 seconds have gone by? You can do that with a 555 timer configured as a monostable oscillator. A sample schematic can be found at this link: http://home.cogeco.ca/~rpaisley4/LM555.html#2
 
What are you using for the senors? are you just using a float type sensor?
 

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