I am a silver plater and familiar with the equipment you have.
The piece of equipment that you have was made for electro-cleaning
silver or ferrous or non ferrous metals.
It is like a large ultrasonic tank.
There is a rectifier with a positive and negative leads, a steel
tank or steel plates, and heater to heat the solution.
One of the lead is connected to the tank or steel plates preferably
stainless, the other to the piece being cleaned.
The chemical used is a caustic solution. I use an environmentally
Give me a call and I'll tell you how to connect the unit and where
to buy the cleaner.