Installed water flow meter/sensor with digital readout (pics)

R

Rezistor

Limp Gawd
Joined
Dec 29, 2001
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459
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100 (or 101 in pictures) represents 100% flow. When I adjust the pot that regulates the voltage received by the pump, the flow rate goes down, and the meter displays the percentage of the flow. At the lowest pot setting, I get 36% of flow, at which point the flow sensor trips a relay that turns on a loud buzzer.
 
You know, get that flow sensor sucker calibrated for 0.1LPM resolution and display the actual flow rate in LPM, make it about half the size, a little more attractive, and offer it for $40-50, and you'd sell a thousand easily. People love spinny whizzy shiny things that serve some purpose and have lights on them.
 
Cathar said:
People love spinny whizzy shiny things that serve some purpose and have lights on them.
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A lot of the time it doesnt even need a purpose.

I like the Idea of decent flow stats like that. Tho Id rather have them on the front of my comp, with the temps.
 
Neat flow meter. I agree that it should show flow volume, not %... or bounce back and forth between them.

Yeah, go with what only 4% of the world's population uses
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We have a lot of backwoods rednecks here in the U.S that don't like change Cath so you(everyone not in the U.S) must revert to the standard system, sorry... ;)
 
Yeah, its just a matter of time. your grand kids will laugh about the funny old measuring system you used to use. Canada switched to metric in the early 80's - you Americans have held out long enuff.

"my car gets 5 rods to the hogshead and thats the way I likes it!" -Grandpa Simpson.
 
I would gladly use LPM or GPM as a variable for display, however I have no means of standardizing the setup - I can't check the flow rate against a known value. That's why I chose to go with percentage of flow, and so far I'm quite happy with this setup.
 
Rezistor said:
I would gladly use LPM or GPM as a variable for display, however I have no means of standardizing the setup - I can't check the flow rate against a known value. That's why I chose to go with percentage of flow, and so far I'm quite happy with this setup.
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it would be easy to find the known value, just measure physically the amount of water passing thru by using measured containers.....
 
NewBlackDak said:
How much flow do you loose with that?
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I have not noticed any change in temps after the addition of the flow meter. I was worried that it would introduce a pressure drop, but seemingly I am not limited by pressure. I seriously need to rethink the way my pump is being fed by the reservoir, since the pump is actually located on a higher level than the reservoir, and I am certain that it cavitates due to inlet 'water starvation'.
 
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