The Greenlee CM-960 (52066376) True-RMS AC/DC Clamp Meter, 600A AC/DC, 600V AC/DC, is a hand-held testing device with the following measurement capabilities: AC and DC voltage, AC and DC current, AC and DC current AmpTip, frequency, non-contact electric field (EF) detection, capacitance, and resistance. It also checks diodes and verifies continuity. The meter is designed to be placed on or removed from insulated or uninsulated conductors.