The Greenlee CM-1560 (52066372) True-RMS AC/DC Clamp Meter, 1000A AC/DC, 1000V 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, resistance, and capacitance. It also checks diodes and verifies continuity. The meters is designed to be placed on or removed from insulated or uninsulated conductors.