Hypertherm Ohmic Touchoff Ring
Cartridge ohmic ring is required with Hypertherm SYNC torch purchase.
Hypertherm Part Number 428895.
The ohmic contact ring clips onto the mechanized cartridge, 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' refers to the electrical connection made between the torch and the workpiece when the torch touches the workpiece during initial height sensing.
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