600A AC Clamp Meter provides a full range of AC current, AC/DC voltage, and frequency measurement functions for basic electrical troubleshooting. The AC clamp meter has a 3-3/4 digit digital display capable of measuring resistance, continuity and diode test. The unit also has a built-in work light and non-contact voltage measurement capability for efficiency and safety. CAT III 600v safety rated, independently tested by ETL. AC Current 600A, Jaw Opening: Φ28mm/1.1 in. AC/DC Voltage: 600v Resistance: 40MΩ, Capacitance: 100µF, Frequency: 10 KHz Display: 4000 Counts, Auto ranging, Auto Power Off, Diode Test Audible Continuity, Data Hold, Low Battery Indicator Built in work light Built in non-contact voltage measurement Safety Rating: CAT III 600v