Re: [DIYbio] Re: DIY deep freezer from mini fridge?

Not sure just dangling a Peltier element in sub-freezing air will tell us anything useful. The cold end will be directly exposed to ambient air, not to mention to the heat given off by the hot end.

If you really want to see what is possibly, I would embed the cold end in a block of styrofoam, and attach a big heatsink on the hot end.

On Monday, February 4, 2013 12:41:27 PM UTC-8, Sebastian wrote:

Yes I do, its small and I'll run it off a 9v. I got a touchless laser thermometer that is pretty damn accurate and a traceable vwr metal probe thermometer. I,ll let u know asap.

Sebastian S Cocioba
CEO & Founder
New York Botanics, LLC

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On Feb 4, 2013, at 2:17 AM, Nathan McCorkle <nmz...@gmail.com> wrote:

> On Tue, Jan 29, 2013 at 12:26 AM, Patrik D'haeseleer <pat...@gmail.com> wrote:
>> The problem with Peltiers for this particular application is not so much
>> being able to drive them, but that you're essentially putting a hefty heater
>> inside your fridge, whihc is obviously not designed to be treated such.
>
> Is there someone in a cold part of the world who also has a peltier
> that can measure how cold the cold side gets if you put it outside
> when it's already 0 C?
>
> It's -3 C in New York City right now... Sebastian do you have a
> peltier and a thermometer?
>
>
> --
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