Multimeter Symbols You Need to Know Voltage. Multimeters can measure direct current (DC) voltage and alternating current (AC) voltage, so they need to display more than one voltage symbol.

Thanks to its CAT III 600V safety rating, it can measure AC/DC voltage up to 600 volts and capacitance to 10,000 microfarad. As one might expect of a basic multimeter, it can measure DC ...