Unitek Peco's Dual Pulse Series is a full range of Capacitive Discharge (CD) power supplies for precision resistance welding applications. Their unique "Dual Pulse" function overcomes process variables; part and electrode surface inconsistencies contribute to poor welds. Plating irregularities or contaminants, including oxides and oils, affect weld reliability. The “Dual Pulse” function virtually eliminates these problematic variables.