IET provides superior products at affordable pricing. While many in the industry outsource not only manufacturing but engineering, IET is proud to claim that we manufacturer 98% of our products in the United States and almost all of our major components are manufactured in the United States.Our experienced engineering and service staff make it possible to offer: Custom or products with combinations of functions; special ranges, ratings or accuracies.Replacement for discontinued models from other manufacturers.ISO-17025 Calibrations accredited by A2LA and repairs on most productsCompliant with ISO-9001, ISO-10012, ANSI Z540-1-1994, and MIL-STD-45662A.GPIB real time process control system and applications.National Stock Numbers are available for applicable models.Applications and custom engineering readily available