Spot welding clamp 7900

Light and proved spot gun for car body repair. Synchronous built-in electronic timer with SCR from 2 to 65 cycles. Compensation circuit starts the timer only when there is a proper passage of current, which enables to perform on oxidised sheets, on surfaces with paint residues or on black sheets. Force adjustment with scale in daN. Additional arm couplings to provide larger opening between arms. All transformer are coated with F class insulation material that does not dry out and become brittle. Test are made using 4000 volts. Supplied complete with 125 mm arms. Large choice of arms and electrodes.