AEMC 5212 [2154.07] True-RMS Digital Multimeter, 4000-cts, NCV, V, A, AC/DC, Ohm, Auto Hold. The Model 5212 is a portable hand-held multimeter which measures a variety of electrical and physical quantities including voltage (AC and DC), resistance, capacitance, and frequency. These instruments can also perform continuity checks, voltage detection and diode testing (including forward bias voltage). Measurement features include Auto Range mode, which enables the instrument to select the best range for the input detected, and a Data HOLD function. This instrument is rugged and simple to use and rated to 600V CAT III.