• Measures AC current
• AC voltage measurement with digital low pass filter for accurate readings on variable frequency drives
• Also allows linemen to measure DC voltage, resistance and frequency
• Tests continuity and diodes
• AmpTip increases accuracy on small wires and low current
• Two voltage detection modes - non-contact or using a single test lead
• Data hold
• Measurement tool accurately records Maximum, Minimum, and Average readings
• Lifetime warranty

The Greenlee CM-660 Clamp Meter is a hand-held testing device with AC measurement capability, frequency, non-contact electric field (EF) detection, resistance, and capacitance. It also checks diodes and verifies continuity. This meter is designed to be placed on or removed from insulated or uninsulated conductors.