Bench Multimeter, Voltage (AC) 500mV to 750V, Voltage (DC) 500mV to 1000V, 5 mA to 20 A Amps AC, 5 mA to 20 A Amps DC, Resistance (Ohms) 500 ohm to 50 megaohm, Basic DC Accuracy +/-0.02 Percent, 50,000 Counts, True RMS Yes, USB & RS232 Interface, Special Features Free Application Software via B&K Precision website, PC Connectivity, SCPI Compatible, Dual Vacuum Fluorescent Display, Auto Ranging Yes, NIST Calibration Certificate, Safety Rating CAT I 1000V, CAT II 300V, Resolution 4 3/4 Digits