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Peltier Junctions??

Dobry Jan 14, 2007 07:13 PM

Has anyone used these for creating a temp gradient? If so, how effective are they with large volumes? Just curious if anyone has tried this and how efficient it was.
Jason
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"Relax, Don't Worry, Have a Homebrew!" Charlie Papazian

Replies (6)

Nessiesmom Jan 14, 2007 07:34 PM

Why use these? For heating or cooling? It uses way too much amperage for any reasonable effect, plus expensive and hard to find. But if you got a lot of them to spare, send me an email, I would be interested in using them for other reasons, not heating or cooling my monitors.

NessiesMom

Nessie's Website

Dobry Jan 14, 2007 07:57 PM

I was thinking using them to help control a temp gradient. To be honest I really don't know that much about them. The ones I was looking at were only 50 watts. I was really just curious if anyone else had tried them. My friend and I were originally interested interested in playing with them for controlling the temps of fermenting beer. It may be more appropriate for that use. If I end up going that route I may play around a little and I'll let you know if its worth it.
Jason

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"Relax, Don't Worry, Have a Homebrew!" Charlie Papazian

Neal_ Jan 14, 2007 08:06 PM

I don't think that a peltier device would be a very good way to create cool temps. I think that they are only practical for very small spaces.

Cheers

Dobry Jan 14, 2007 08:39 PM

Thanks, that is what I was thinking but just wanted to ask someone.
Jason
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"Relax, Don't Worry, Have a Homebrew!" Charlie Papazian

FR Jan 15, 2007 09:44 AM

Wow practicing complicity to achieve simplicity.

The simple approach is, keep a cage at room temp and add a small amount of heat. Works everytime, and uses less energy.

I think the reason so many people fail is, they are busy being complicated. They are applying their attention to such devices as thermostats, UVthis and that, supplimental this and that, photoperiods/hibernations/brumations/raincycles, etc. When all along, "heatum and feedum", continues to set new standards, in all areas of successful varanid husbandry. Its simple, three words. Ok, five words, with some condensing. Cheers

FR Jan 15, 2007 02:46 PM

As a cooling device for small incubators. Most incubators only heat the air, but do not cool it. Yet a zillion more eggs are lost to overheating, then to cool temps. Just a thought. Cheers

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