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Crazy idea I had for measureing specific gravity while sparging

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Oh a lab jack, that would make things much easier for testing the idea, we can just wire the whole thing straight into its digital inputs and giver her a go.

If you're up for it, it would be pretty simple to use parts from radio shack to build a test run and see how it goes.

Oh, and it was my understanding that the alcohol post fermination makes a decent effect on the refractive index to SG calculations, which is most likely why it's not working like you hope, but as you've seen some places have a calibration or some math to try to correct for that...
 
That's a really interesting idea, I suspect you would have to have a very large area for your capacitor, considering the width of your dielectric is likely to be very large.

This is an approach I hadn't thought of for automated measurement. My mental musings have relied on optics rather than electronics for measuring refractive index (actually there's electronics in there too, but...)
 
Oh a lab jack, that would make things much easier for testing the idea, we can just wire the whole thing straight into its digital inputs and giver her a go.

If you're up for it, it would be pretty simply to use parts from radio shack to build a test run and see how it goes.

Yeah, I'm down for giving it a try. If it works I'll pay for the parts :)

Sent you a PM with my e-mail.
 
Hey, this thread may be on the expired side, but I'm curious. Did you guys ever get this idea tested? I would love to implement it on my Raspberry Pi controlled rig.
 
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