GiCi is ISO 17025-2005 accredited, and is ISO 9001-2008 certified. Dr. Shapiro invented the Dynalyzer system and provides expert service for Dynalyzers and Voltage dividers. We have capability to +/- 100 KV, or 150 KV to ground. Using computer control, we provide repeatable and accurate measurements. With our Fluke meter and scope test set, we provide accuate certification for your digital volt meters and oscilloscopes. While we repair, and rebuild high voltage test equipment, we do not repair oscilloscopes and meters. Our experiencee shows that 95% of such equipment by HP, Agilent, Fluke, and Tektronix is in spec, and the remained requires a slight tweak. Call me with your calibration needs. We offer indivudalized service to meet your needs.