Single Display AC 600A True RMS HVAC/R Clamp meter by UEI. Added features include, Resistance 60MΩ, Capacitance 2000µF, Frequency/Duty cycle, Magnetic mount and 6000 Count display. This meter can be used on motor or line current, control voltage or system board voltage checks. Circuit continuity or specified resistance as well as quick check of live wires, diode malfunctions/unbroken paths.