The MG310 is a compact insulation resistance meter that enables quick and easy testing and troubleshooting of motors, converters and other industrial equipment. Measures up to 1,000V with insulation voltages up to 5.5GΩ. Features a simple snap-on protective case and soft pouch to conveniently transport your meter and accessories to the next job site or store them safely. Features low resistance measurement with zero function, continuity signal, large dual 2,000-count display with backlight, high voltage and overload indication, automatic discharge and voltage output warning functions and low battery indication. Includes test leads, alligator clips, six AA batteries, diplomatic case and padded carrying case.