Last spring, while I was still out of my house after the fire, I made a trip with a buddy to pick up some equipment from an engineer/machinist who was closing down his shop. My main interest was the heat treating oven he had built. I couldn't get his controller to work so I ordered a PID unit from eBay. I had that working, but realized that I had the two elements connected in series. (Comes from the lag between ordering and receiving the PID) When I connected the elements in parallel (9.4...
Heat Treating Oven
Heat Treating Oven