TPI 265 Clamp On Meter Tester with Frequency and Capacitance features Slim jaw and body design for use in crowded electrical panels, 4,000 count display, Capacitance range up to 4,000 microfards to test run and start capicitors, 0.1 DC millivolt resolution to accurately measure thermocouples and use optional adapters, 0.01 AC Amp resolution to measure heat anticipator current, Frequency measurement capability, AC/DC volts up to 600V and AC Amps up to 400A, Diode, resistance and audible continuity ranges, Auto / manual ranging, Data hold, Auto power off, CAT III 600V rated, cULus 61010, 3-Year Limited Warranty.