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Old 01-24-2012, 11:23 PM   #1
losman26
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I'm looking at buying a refractometer that is accurate with a dual-scale, and where I don't have to do crazy calculations. I was looking at this one at morebeer.com http://morebeer.com/view_product/187...ith_Brix_Scale

should I go with this at $59 plus shipping, or on ebay for $19.00 plus shipping.
http://www.ebay.com/itm/0-32-Brix-Wo...#ht_4381wt_954

I just don't want the $19 one to break on me three months from now.

 
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Old 01-24-2012, 11:24 PM   #2
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Buy one with automatic temp correction. It's a lot easier.
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Old 01-24-2012, 11:34 PM   #3
losman26
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Both of these have automatic temp correction, and a dual scale

 
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Old 01-25-2012, 12:07 AM   #4
iaefebs
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I don't have a refractometer with ATC. While I'm sure it is a nice feature mine is old and I don't see replacing it in the near future, What I don't see a need for is a scale that measures in SG. Except for pre boil and post boil readings. I use the Brix and use software to convert the reading.

 
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Old 01-25-2012, 12:14 AM   #5
mmonacel
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The dual scale models are incorrect for the SG readings. It's a well known problem. I'm not sure if MoreBeer has fixed theirs, but do some searching on the topic and you'll see it's a widespread problem. So unless MoreBeer has fixed it (I'd call) you're going to need to do the conversion. That being said I got an eBay dual scale model apparently shipped directly from somewhere in the far east and it works great.
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Old 01-25-2012, 12:21 AM   #6
losman26
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Quote:
Originally Posted by mmonacel View Post
The dual scale models are incorrect for the SG readings. It's a well known problem. I'm not sure if MoreBeer has fixed theirs, but do some searching on the topic and you'll see it's a widespread problem. So unless MoreBeer has fixed it (I'd call) you're going to need to do the conversion. That being said I got an eBay dual scale model apparently shipped directly from somewhere in the far east and it works great.
I decided to go with the dual scale one from Honk Kong, figuring that I will need to use some software to do the conversion. How do you do the conversion?

 
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Old 01-25-2012, 12:26 AM   #7
mmonacel
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I use BeerSmith however you can find the equation or reference tables pretty easily online. Just search for "convert brix to specific gravity".
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Old 01-25-2012, 12:28 AM   #8
losman26
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You need the OG to convert right?

 
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Old 01-25-2012, 12:31 AM   #9
jpalarchio
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Based on the picture in the eBay posting, it appears to be the flawed calculation version. 24 brix is close to 1.10 but their image has it up at 25+ brix.

Not that eBay pictures are necessarily accurate, just an FYI...

 
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Old 01-25-2012, 12:36 AM   #10
losman26
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Quote:
Originally Posted by jpalarchio View Post
Based on the picture in the eBay posting, it appears to be the flawed calculation version. 24 brix is close to 1.10 but their image has it up at 25+ brix.

Not that eBay pictures are necessarily accurate, just an FYI...
Damn that sucks. maybe I should cancel it. Hopefully the brix scale is accurate

 
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