The AC Digital Clamp Meter CM-2100/CM-2200 is a multi-function meter that measures AC/DC voltage, AC current, resistance, frequency, continuity, and diodes. It has a 33⁄4 digit LCD display with auto and manual ranging, maximum jaw size of 57mm, data hold function, and auto power off. The CM-2100 measures up to 1500A AC current while the CM-2200 measures up to 2000A AC current. Standard accessories include a carrying case, test leads, and manual.