Flow meter

[ajdelange]

The system (4 cells, junction box, display box) was made by Tara Systems and is a model TR-1-NK. I think I got it from McMaster-Carr

Picture of one of the load cells at http://www.pbase.com/image/132247153
and of the display at http://www.pbase.com/agamid/image/84072359
The top of the junction box (4 wires protruding through bushings) can be seen on the wall behind the flange of the carbonation stone and just to the right of the rightmost vertical black steam hose at http://www.pbase.com/agamid/image/122872673

[Cliff]

Build your own.
Get a figure for the head pressure your pump can move. Do this by trying to pump fluid straight up a tube and see where it stops and dead heads. Calculate the weight of the fluid by simply weighing a cubic foot of wort (it'll prolly be so close to salt water than it won't matter) and using that to determine the pump's maximum pressure.

Drill an orifice in a bit SST that you can solder in a line

Calculate the flow over time at the pressure using the diameter of the hole you drilled

Any firefighter can walk you through the math

Here's a Fireman's self study
http://www.firefightermath.org/index.ph ... &Itemid=47

[BadRock]

Here is another good calculator for fluid passing though an orifice.
http://www.efunda.com/formulae/fluids/c ... wmeter.cfm
Measuring flow in this manner typically yields an error of up to 10%

[Cliff]

The system (4 cells, junction box, display box) was made by Tara Systems and is a model TR-1-NK. I think I got it from McMaster-Carr

Oh that's slick.

Somewhere I stumbled across a web page with a DIY tutorial on how to take a bathroom digital scale and convert it onto a scale that you can measure the volume of a vessel and route the data to a microprocessor.
I think it was on the Arduino forums

[Cliff]

Somewhere I stumbled across a web page with a DIY tutorial on how to take a bathroom digital scale and convert it onto a scale that you can measure the volume of a vessel and route the data to a microprocessor.

Here it is
http://www.youtube.com/watch?v=fPzUtzFJFus

[spiderwrangler]

Here is another good calculator for fluid passing though an orifice.
http://www.efunda.com/formulae/fluids/c ... wmeter.cfm

I was afraid to click on this link...

[Cliff]

I want to know what possible benefit is there in measuring flow in a hobby brewery?

Volume can be had so very cheaply and accurately with paddle and float switches it can also be had by weight.

I'm stumped for the value of flow.

[Cliff]

I want to know what possible benefit is there in measuring flow in a hobby brewery?.

I still want to know.
inquiring minds and all that.