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Old 04-28-2012, 02:49 AM   #1
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Default How can a thermometer read below freezing in water?

So how can a thermometer read below freezing when the water is liquid? I have had it read even lower than what is in the pic as well.
The liquid is just plain water out of the tap and is not frozen in the least. It is just in an old jar I use to test the temp of the fridge.

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Old 04-28-2012, 02:51 AM   #2
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its broken

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Old 04-28-2012, 02:56 AM   #3
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Time for a new one!

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Old 04-28-2012, 03:03 AM   #4
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Quote:
Originally Posted by brewingmeister View Post
So how can a thermometer read below freezing when the water is liquid? I have had it read even lower than what is in the pic as well.
The liquid is just plain water out of the tap and is not frozen in the least. It is just in an old jar I use to test the temp of the fridge.
Theoretically the water could be supercooled somehow. But more likely, it's busted.
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Old 04-28-2012, 03:04 AM   #5
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Even if it is the can do no wrong thermapen?

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Old 04-28-2012, 03:52 AM   #6
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Quote:
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Even if it is the can do no wrong thermopen?
Well in that case, obviously operator error :-)

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Old 04-28-2012, 04:02 AM   #7
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Is there salt in the water??

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Old 04-28-2012, 04:08 AM   #8
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I work in an industry that requires expensive test equipment which cost a pretty penny and is calibrated on a regular basis. A use and forget electronic precision measuring device of any sort is unrealistic. Thermapens are a great product. It's just not realistic to expect them to work perfectly forever.

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Old 04-28-2012, 04:13 AM   #9
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PMEL I always hated dealing with them

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As a parent, hearing nuggets of parenting wisdom from someone who's never had kids is a bit like hearing sex advice from a virgin.
“Fairy tales don't tell children that dragons exist; children already know that dragons exist. Fairy tales tell children that dragons can be killed.”
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Old 04-28-2012, 04:13 AM   #10
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No salt, it is straight tap water. This pic is water I put in there this afternoon. I have had the thermapen for a little over a year.

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