Casting with a PID Controller

[TexasMac]

Martini2,

I would think bypassing the Lee controller is not a good idea. Consider what would happen if, while the pot is heating up, you get distracted or forget to insert the thermocouple for some reason once the lead liquefies. Full power will be supplied to the heater regardless of the alloy temp. Of course, if you leave the thermocouple in the pot once the lead hardens it’s less of a concern. But I use the same thermocouple for more than one pot so I pull it out of the alloy after the casting session. I’m curious, why did you bypass the lee controller rather than just turning it up all the way?

Wayne