[time-nuts] Cycling of Peltier junction

Chuck Harris cfharris at erols.com
Fri Sep 10 00:22:38 UTC 2010

It's kind of important for the heating and cooling systems to be
able to overlap.  I think you will get much tighter control if you
use a simple resistance heater and the Peltier cooler.

-Chuck Harris

Jerome Peters wrote:
> Does anybody know about using the same Peltier junction for both heating and cooling? I'm concerned about
> thermal/mechanical shock when changing the polarity back-n-forth between hot and cold.  Maybe there needs to be a
> controlled ramp, if so then how do I figure out the rate?

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