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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Two batches under my belt...and two ruined digital thermometers?
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Old 06-04-2012, 03:35 PM   #1
cbehr
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Default Two batches under my belt...and two ruined digital thermometers?

So I've brewed two batches of beer in the last week and have ruined two different digital probe thermometers. Both seemed accurate compared to room temp, ice cube glass, and boiling water. I kept the probe in the entire time and after removing from the boil at the end they went wacky. Now one reads room temperature at 127 and one says 158. Any idea what I did to these?
I REALLY like the probe style as I'm a rookie and it's easier to monitor temp for the partial mash and cooling before adding the yeast. Any suggestions?

This one I've had for 2+ years and used for grilling/smoking
http://www.amazon.com/Maverick-Indus...8818322&sr=8-1

This one I just bought Sunday before doing my second batch.
http://www.amazon.com/009060563-Chef...7&sr=8-2-spell


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Old 06-06-2012, 05:06 AM   #2
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Did the probes get moisture in them? That is a quick way to destroy them.


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Old 06-06-2012, 11:00 AM   #3
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Quote:
Originally Posted by OneHoppyGuy View Post
Did the probes get moisture in them? That is a quick way to destroy them.
I agree. I sealed mine with heat shrink tubing where the wire enters the probe.
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Old 06-06-2012, 11:17 AM   #4
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Perhaps only put it in near the end of the boil - assuming you want it sterilized to determine wort temp during cooling. Other option would be a stem and dial thermometer for non-mash uses. I don't think you need as super accurate temps when checking the progress of cooling - unlike mashing.
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Old 06-06-2012, 11:57 AM   #5
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So only the actual metal probe can get wet and not where it meets the stainless wire? I just had the probe thrown in the liquid and I'm sure the wire part was submerged....assumed the entire thing was water proof!?
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Old 06-06-2012, 01:28 PM   #6
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Nope, sadly those things are not waterproof between the cable and the probe. I've heard some have had success in baking them in the oven for a period of time to dry them out and bring them back to life.
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Old 06-06-2012, 03:55 PM   #7
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I can second that. They cannot get wet where the wire enters the probe. I've baked mine a couple of times but then even that quite working for me. I used heat shrink tubing and then a length of silicone over that sealed where the wire enters the probe. That works just fine.
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Old 06-06-2012, 07:20 PM   #8
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Awesome, I just baked it and it appears to be working normally again! I'll have to do the shrink wrap trick this week!!


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