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On and Off Switch? Answered

I have a kiln that I need maintained at a certain temperature for an extended period of time (9 hours). Problem is  the kiln I got doesn't maintain its temp, it just constantly supplies heat until it would kill itself. Making me sit there for 9 hours turning it on and off exactly once a min. Obviously this is a problem... there is a physical on and off switch where maybe I can rig up some timer to hit it for me? Otherwise maybe there is a way to modify the wall outlet to supply power 1 min on, 1 min off? Any suggestions would help, thanks :D 
http://www.clay-king.com/images/quickfriec.jpg

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clockworkfish

5 years ago

I am currently looking to figure this out as well, however I do know that what you are looking for is a PID controller. These can be made, and I think that there are ones that plug directly into the wall and into your kiln. Wish I had a bit more of a robust answer for you but that should put you down the right path.

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Vyger

5 years ago

I would think that one minute intervals would not make a difference at all in temp. Maybe 10 or 15 minutes ---- sounds a little strange as it takes time for things to cycle especially something with a sizable mass like a kiln. Think of it like turning your furnace on and off every minute. It would not even have enough time to run a normal cycle.

You should be able to find a high temperature thermostat that will keep your temp in the correct range.

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ReconIIIVyger

Answer 5 years ago

It's a very small kiln

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steveastrouk

5 years ago

Get a temperature controller off ebay.