When it comes to making precise high voltage measurements, there is nothing faster or easier than the Vitrek 4600A Series. The 4600 series is comprised of the 4620B, 24640B, or 4670B models. With its unrivaled accuracy and direct reading capability, the 4600A Series sets the performance standard for precision high voltage measurement. For quick and accurate calibration of Hipot testers (dielectric strength testers) and other high voltage sources, the 4600A Series can t be beat