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Old 01-09-2011, 04:20 AM   #1
Bigscience
 
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I've got a few gift cards burning a hole in my pocket and was thinking about picking up an O2 Flow Meter so I could accurately oxygenate wort. (As opposed to the "bubbles look right, start the timer" approach.) I'm looking at these, any thoughts?

http://www.amazon.com/DAVIS-INSTRUME...4545954&sr=1-1


http://cgi.ebay.com/MEDICAL-OXYGEN-L...item4aa7741fb7



http://cgi.ebay.com/PRECISION-MEDICA...item4cf0d40a2b

 
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Old 01-09-2011, 05:57 AM   #2
BrewBeemer
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I would look into the .5 to 15 LPM unit at $19; http://cgi.ebay.com/PRECISION-MEDICA...item4cf0d40a2b

Your first posting at $53 you could purchase three used Timeter Group model ULO 0-15 LPM items used on ebay at that price.
Good enough for hospital room ER good enough for home brewing.
I got a couple from working on a hospital job they work great.

 
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Old 01-09-2011, 07:30 AM   #3
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Quote:
Originally Posted by BrewBeemer View Post
I would look into the .5 to 15 LPM unit at $19; http://cgi.ebay.com/PRECISION-MEDICA...item4cf0d40a2b

Your first posting at $53 you could purchase three used Timeter Group model ULO 0-15 LPM items used on ebay at that price.
Good enough for hospital room ER good enough for home brewing.
I got a couple from working on a hospital job they work great.
Thanks for the info. I looked up the Timeter ones and found a good deal and pulled the trigger. I keep seeing the FDA warning language in the ebay listings however:

FDA Regulation: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item."


Do they seriously verify status?

 
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Old 01-09-2011, 07:38 AM   #4
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That's a first on me as i've seen many meters sold in lots of 4 to 10 units for $250 no questions asked, outdated? My friend paid $85 for three 0-15 LPM Timeter units like I mentioned then sold the extra two at $35 each back onto ebay.
They come up take your time and watch ebay should this deal fall thru.

 
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Old 01-09-2011, 07:43 AM   #5
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Badges! We don't need no stinking badges!

 
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Old 01-09-2011, 08:01 AM   #6
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Quote:
Originally Posted by FireDancer View Post
Badges! We don't need no stinking badges!
Perfect reply. PROST.

 
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Old 01-09-2011, 05:54 PM   #7
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I got 2 0-16s for $10 plus an unknown shipping. I have a liquid bread system that I've been using (red bottle regulator) but also picked up a real O2 regulator. I think I'll make two systems with the flow meters and sell the red bottle one to somebody local, if Jonny Law doesn't raid me first.
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Old 01-15-2011, 05:04 AM   #8
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So the flow meters arrived today. They are better than I was expecting for $5 each. (although shipping was $16). So now the question is, how do brewers mount these things?
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Old 01-15-2011, 05:50 AM   #9
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My Timeter O2 meter has a 1/8" FNPT inlet, this needed a reducer and nipple to a regulator for 50 psi oitput.
On medical O2 units having a yoke plus built in regulator for oxygen bottles just the output to a hose, SS tube then stone.

 
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Old 09-24-2012, 03:42 PM   #10
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Quote:
Originally Posted by BrewBeemer View Post
My Timeter O2 meter has a 1/8" FNPT inlet, this needed a reducer and nipple to a regulator for 50 psi oitput.
On medical O2 units having a yoke plus built in regulator for oxygen bottles just the output to a hose, SS tube then stone.
I was wondering if any of you guys can post a picture of how all of this hooks up? I want to measure my LPM but don't really understand how this works. I am using a standard 02 regulator on a portable tank right now. Can I use a LPM flow meter with a portable tank?

 
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