The general purpose AEMC 514 Full-Function TRMS Digital Clamp Meter measures up to the highest standards and is designed with a rugged mechanical case using high quality polycarbonate materials. The AEMC 514 Full-Function TRMS Digital Clamp Meter offers a comprehensive set of measurement ranges and adheres to international safety and quality standards to ensure a measuring tool that is professional and reliable. The AEMC 514 is auto-ranging with a high-resolution 40A range - ideal for best measurement range and resolution for troubleshooting. The AEMC 514 measures AC Amps, AC Volts, DC Volts, Ohms, Continuity (with audible alert), Frequency (from V or A) and features a Diode Test function. The AEMC 514 also utilizes Hall sensor technology, providing both DC and AC current measurements to 1000A. The AEMC 514 Full-Function TRMS Digital Clamp Meter is compact enough to allow for comfortable, single-handed operation. The tapered and hooked jaw shape allows ease of movement in crowded wiring and breaker panels, in order to conveniently select conductors. This model is a True RMS clamp-on that features RMS measurements for non-linear electrical environments.