Hypertherm Kit: SmartSYNC Ohmic Rings 428895

The ohmic contact ring clips onto the mechanized cartrdige, and connects it via electrical wire to torch height controls (THCs) that support the use of ohmic contact to find the surface of the workpiece before each cut. 'Ohmic contact' referes to the electrical connection made between the torch and the workpiece when the torch touches the workpiece during initial height sensing.