Klein Tools -40 - 1832 F LCD Clamp MeterKlein Tools CL210 is an automatically ranging digital clamp meter that measures AC current via the clamp, AC DC voltage, resistance and continuity via test leads, and temperature via a thermocouple probe. Exclusively designed from the ground up by electricians for electricians. Years of field research, combined with extensive input from electricians across America, inspired the development of meters loaded with innovative, time saving features. Clamp