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Old 11-18-2009, 12:26 AM   #1
Tmeister
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Sep 2009
Valencia CA.
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hey, im a all grain brewer with about 10 brews on my belt. I allways use a probe thermometer (the ones with the circular dial and probe) for checking mash temp, and strike water temp. I allways get worried with these because I feel like they aren't that accurate. I do calibrate my thermometer, but it just worries me.
My question is... how do you experienced AG brewers check strike and mash temp. ? Is there really nice thermometers to use or is what im using just fine.
I haven't had any problems with temp normally besides just slight variation, I just want to be exact.

 
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Old 11-18-2009, 12:33 AM   #2
gturner6ppc
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Oct 2009
Lexington KY
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I've always used one of the regular mercury lab thermometers they sell at the home brew store, but a few days ago I saw a digital thermometer with remote probe (and alarms and such) at Lowe's for $20, so I grabbed it. It was in the turkey/outdoor grilling section.

I haven't used it or checked it for accuracy yet, but the probe plugs in with a regular mono mini headphone plug, so my plan is to use a headphone splitter from Radio Shack so it can feed the display and some sort of op-amp circuit I could build to control a heater element at a given setpoint (using a trim pot to match whatever voltage the probe sends when the display says I'm at the right temperature).

 
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Old 11-18-2009, 03:21 AM   #3
babalu87
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Feb 2008
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Taylor 9842 Commercial Waterproof Digital Thermometer

Has survived a few drops into the wort

 
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Old 11-18-2009, 03:50 AM   #4
sudbuster
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Quote:
Originally Posted by Tmeister View Post
hey, im a all grain brewer with about 10 brews on my belt. I allways use a probe thermometer (the ones with the circular dial and probe) for checking mash temp, and strike water temp. I allways get worried with these because I feel like they aren't that accurate. I do calibrate my thermometer, but it just worries me.
My question is... how do you experienced AG brewers check strike and mash temp. ? Is there really nice thermometers to use or is what im using just fine.
I haven't had any problems with temp normally besides just slight variation, I just want to be exact.
Any calibrated thermometer is good. Some of the digital thermometers may be off unless calibrated. A glass lab thermometer is the standard and the one I trust, and the one used to calibrate all the others to.

 
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Old 11-18-2009, 03:54 AM   #5
Rick500
 
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I use one of these. Inexpensive, relatively rugged, and accurate.


 
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Old 11-18-2009, 04:16 AM   #6
wildwest450
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It's my go to thermometer, very accurate.



http://www.williamsbrewing.com/SELF-..._P1434C102.cfm

 
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Old 11-18-2009, 04:17 AM   #7
Yuri_Rage
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www.thermapen.com. You won't regret it.
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Old 11-18-2009, 04:19 AM   #8
JuanKenobi
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Quote:
Originally Posted by babalu87 View Post


Taylor 9842 Commercial Waterproof Digital Thermometer

Has survived a few drops into the wort
I use this as well. Picked it up after breaking my third floating thermometer. Calibration is dead on and can be adjusted if necessary. I've dropped it into near boiling wort once with no problems. I think it was like $13 at local kitchen supply store.
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Old 11-18-2009, 04:24 AM   #9
gturner6ppc
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Does anyone else here just throw in a calibrated lobster and time how long it takes him to stop twitching?

 
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Old 11-18-2009, 04:49 AM   #10
wildwest450
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www.thermapen.com. You won't regret it.
But your wallet might.

 
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