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Old 10-24-2009, 02:34 AM   #1
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Default infared thermometer for brewing

Has anyone used one of these for brewing? How did it work?

http://cgi.ebay.com/Non-Contact-Heat-Sensor-Laser-Guided-Thermometer-Gun_W0QQitemZ310176729210QQcmdZViewItemQQptZLH_Def aultDomain_0?hash=item4837f9487a

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Old 10-24-2009, 02:46 AM   #2
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I have never used one but it seems logical. No contact with the wort/beer and take quick measurements. The only thing I wonder about is accuracy and does it take readings from only the surface. I simply have never used one but it seems like a rockin idea.

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Old 10-24-2009, 02:50 AM   #3
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It comes with holster, how can you not get it?!?!

But seriously, I am kind of curious if it only takes surface readings and its accuracy. Somebody here must have experience with these things

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Old 10-24-2009, 03:02 AM   #4
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These thermometers are not very useful for brewing. The problem is that they read the temperature of a surface. Steam and vapor will interfere with readings as will reflective surfaces. Most of the IF thermometers aren't very precise. I bought one thinking it might be a good way to measure mash temps, which it is not. I have found a few uses for it though. I check the wort temp coming out of my CF chiller and in the fermenter as it fills. Works well for that purpose. I also use it to check my grain temperature before doughing in so I can figure out my strike water temperature. They are fast and convenient for some tasks, but not for all.

The accuracy is usually about +/- 2%. Not great, but close enough for some measurements.

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Old 10-24-2009, 03:04 AM   #5
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I have an industrial infra-red. I use it to check the temp when chilling, determining how close i am to a boil etc. I use it to get a general idea but not for mash temps. It differs a degree or two from my thermocouple usually.

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Old 10-24-2009, 03:08 AM   #6
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See I knew there a lot more people here smarter than me. Real world experience speaks volumes which is why this forum rocks.

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Old 10-24-2009, 03:17 AM   #7
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I use one at work and I have found that it doesn't measure moving liquid very well. The temp can be off by quite a bit (I have seen around 15*f differences), and they vary depending on the distance you are from the item being measured.

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Old 10-24-2009, 03:50 AM   #8
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They are handy for some automotive trouble shooting. You can quickly and easily find a misfiring cylinder as the head near that spark plug will be cooler. Don't know if it would register hot girls or not, but I can usually handle that visually no problem.

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Old 10-24-2009, 03:56 AM   #9
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Quote:
Originally Posted by Scut_Monkey View Post
See I knew there a lot more people here smarter than me. Real world experience speaks volumes which is why this forum rocks.
I don't know who authored this saying, but it is an elemental truth:

"Nobody knows more than all of us"

Makes me smile every time I think of it!
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Old 10-24-2009, 04:20 AM   #10
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Quote:
Originally Posted by Catt22 View Post
Don't know if it would register hot girls or not, but I can usually handle that visually no problem.
Keep that skill sharp. It pays vast dividends.

Quote:
Originally Posted by Catt22 View Post
I don't know who authored this saying, but it is an elemental truth:

"Nobody knows more than all of us"

Makes me smile every time I think of it!
Similar to the saying that "steel sharpens steel". That's right we are all steel here so share the knowledge.
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