Digital Clamp Meter AC/DC Auto-Ranging 600 Amp Measures Voltage, Resistance, Temp, More Klein Tools CL800Automatically ranging true mean squared (TRMS) technology for increased accuracyTest leads measure AC/DC voltage, resistance, continuity, frequency and capacitance and tests diodesThermocouple probe measures temperatureLow impedance (LoZ) mode for identifying and eliminating ghost or stray voltagesCat IV 600V, cat III 1000V, Class 2, double insulation safety RatingAutomatically ranging true mean squared (TRMS) technology for increased accuracyTest leads measure AC/DC voltage, resistance, continuity, frequency and capacitance and tests diodes