UNI-T UT222 is a portable true RMS 3-5/6 bit (6000 Counts), auto range clamp ammeter with simulation bar. The clamp ammeter is applicable to the following measurements: AC/DC voltage, AC/DC current, surge current, resistance, frequency, maximum/minimum value measurement, relative value measurement, data recording and read-back. It features full-function on screen display, full-range overload protection, and a unique appearance design.