MA620 is a True RMS, autoranging AC clamp meters offer plant maintenance techs, electrical troubleshooters, and Diyers a test instrument that delivers a combination of high performance and exceptional value. In addition to a host of advanced multimeter and current measurement capabilities, it also has a built in, non contact (NCV) voltage detector. You can select auto or manual ranging modes, measurement functions cover all types of troubleshooting over and above noninvasive current probe measurements: voltage, resistance, capacitance, frequency, duty cycle, diode and continuity tests. Even measure temperature with the supplied Type K bead wire probe. Complete with test leads, general purpose Type K bead wire temperature probe, battery and carrying case.