I used this to control the temperature of a Lee crucible filled with KNO3 salt to 900 F to anneal the shells. The same setting can also control the temperature of a crucible for casting lead bullets (650-900) or for bluing the salt parts of small steel parts (the temperature depends on whose salt mix you're using). at the shipping connectors " or " tin all ends of the wires that connect to the PID.
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