cclist at sydex.com
Sat Aug 29 18:18:55 CDT 2015
If it helps, I use an PID controller in my unit (inexpensive on eBay)
with a PT100 sensor in the center (open air) of the chamber. A
low-speed fan (from a microwave oven, using a 7W lamp in series) blows
down over a 60W incandescent lamp at the top of the chamber and over the
material to be treated. As I mentioned before, it is well insulated.
It takes about 20 minutes to reach and stabilize at 58C. It can run for
days using very little power. Using a separate temperature probe, I've
noticed no hot spots to speak of.
Capacity is about 1.5 cu. ft.
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