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Home Brew Forums > Home Brewing Beer > DIY Projects > Other > Inline refractometer
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Old 03-12-2012, 03:27 AM   #1
clay9_24
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Default Inline refractometer

I designed an inline refractometer so that I can watch the gravity out of the mash tun as the RIMS runs and also be able to cut off the sparge out when the gravity drops.

Commercial process refractometers are super pricey, hence why I designed my own. I will hash one out at the machine shop this week and if it works good i might have to make a few more for some friends.



The model that i made out of paper and plastic worked great this weekend so i really hope that this works well.


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Old 03-12-2012, 03:41 AM   #2
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Looks nice. Not sure how it works... You are not far from me. What do you do in Comanhe that involves SolidWorks? I use SW in Mineral Wells at a steel fabricator.


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Old 03-12-2012, 03:52 AM   #3
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I have an old student copy that I use. just have to wipe the registry and reinstall every ten days. That is about eight more than I need to model something.
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Old 03-12-2012, 04:36 AM   #4
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I would be interested in one.
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Old 03-12-2012, 04:46 AM   #5
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How are you going to account for temperature differences? Maybe I am missing something simple.
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Old 03-12-2012, 04:56 AM   #6
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I did my test at 150 degrees and as it cooled the refraction index difference was pretty slight. I figure that would be pretty solid for going ahead with a metal prototype. Of coarse if I had 5k on hand I could just buy one and not jack wth it.
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Old 02-05-2013, 05:59 PM   #7
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How did this turn out?
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Old 02-05-2013, 06:31 PM   #8
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Yeah, I would love to know how this worked for you... and if you'd be interested in selling one to a guy in NJ...
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Old 02-05-2013, 06:48 PM   #9
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The plexiglass, wood, and modeling clay prototype proved the idea works but was to frail to be tried under pump pressure. I was pleased with it.

Th en I packed everything up and moved. Havent thought of the project much outside of the pile of laser pointers that I had for testing
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Old 02-05-2013, 06:50 PM   #10
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Quote:
Originally Posted by clay9_24 View Post
The plexiglass, wood, and modeling clay prototype proved the idea works but was to frail to be tried under pump pressure. I was pleased with it.

Th en I packed everything up and moved. Havent thought of the project much outside of the pile of laser pointers that I had for testing
You should think of it again. I'm sure there would be plenty of people on here interested in buying one off you.


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