Argantix is one of four trademarks owned by California Instruments Corporation in San Diego. The California Instruments Corporation is a leading manufacturer of alternating current (AC) power supplies and test equipment. Today, Ametek owns California Instruments as well as the Argantix brand. The company produces AC and direct current (DC) power supplies, frequency converts, current sources, AC electronic loads, compliance tests, and custom systems for many different industries. You can find used and refurbished products from Argantix at ValueTronics.com. The Argantix XDS 50-200 DC Power Supply we sell at ValueTronics offers basic capabilities needed for many applications at an affordable price.