Rugged, heavy-duty construction for worry-free performance 30 kHz operation with power to 1500 watts Ideal for delicate applications that require more power than conventional 40 kHz systems. DPC (Dynamic Process Controlle......Rugged, heavy-duty construction for worry-free performance 30 kHz operation with power to 1500 watts Ideal for delicate applications that require more power than conventional 40 kHz systems. DPC (Dynamic Process Controller) operation