Headquartered in San Diego, California, AMETEK Programmable Power is the global leader in the design and manufacture of precision, programmable power supplies for R&D, test and measurement, process control, power bus simulation and power conditioning applications across diverse industrial segments. From benchtop supplies to rack-mounted industrial power subsystems, AMETEK Programmable Power manufactures Sorensen brand DC supplies and loads, Elgar and California Instruments brand programmable AC sources. AMETEK Programmable Power is a division of AMETEK, Inc,.