DMM and Loop Calibrator in one tool. Precision 1000V, 440 mA digital Multimeter. 20 mA current source/simulator. Manual Step, Auto Step, Auto Ramp, % of scale for current source. Measure current to 30 mA with 0.05% accuracy and 1ua resolution. Ohms, Continuity Beeper, Diode test. Frequency to 20kHz. Min/Max/Average/Touch Hold/relative modes. Externally accessible Battery. Backlit display. Closed-case, software calibration. Supplied with protective Holster with flex stand.