Additional Features: Up to 120,000 counts resolution Up to 0.012% basic DCV accuracy 11 basic measurements and up to six built-in math functions Dual display on bright VFD Kensington lock slot security DC Voltage Range: 500 mV-1000 V  Resolution: 10 μV-100 mV AC Voltage (true RMS, AC coupling mode) Range: 500 mV-750 V Resolution: 10 μV-100 mV AC Voltage (true RMS, AC+DC coupling mode) Range: 500 mV to 750 V Resolution: 10 μV-100 mV DC Current  Range: 500 μA-10 A Resolution: 10 nA-1 mA AC Current (true RMS, AC coupling mode) Range: 500 μA-10 A Resolution: 10 nA-1 mA AC Current (true RMS, AC+DC coupling mode) Range: 500 μA-10 A Resolution: 10 nA-1 mA Resistance  Range: 500Ω to 50 MΩ Resolution: 10 mΩ to 1 kΩ Diode test/continuity Range: 2.3000 V Resolution: 100 μV Maximum reading: 2.3000 V Accuracy (1 year; 23°C ±5°C): 0.05%+5 Frequency  Range: 500 Hz to 500 kHz Resolution: 0.01 Hz to 10 Hz The Agilent U3401A Digital Multimeter comes with functions vital for your everyday measurements: DC, AC and AC+ DC voltage and current, 2-and-4 wire resistance, frequency, continuity and diode tests. Math functions dBm, Min/Max, Relative, Compare, Hold and Percentage are also available to ease your measurement analysis. The Agilent U3401A is built robust for lasting reliability over the long haul, and this DMM also ensures dependable measurement with up to 0.12% basic DCV accuracy. The Agilent U3401A has a rear Kensington lock slot so you can secure your DMM and be assured that it is where you expect it to be for your continued testing the next day.