Standard multimeter functions with 2 to 20mA sink and source capability, including a 24V supply. HART 250 resistor, 20mA drive into 1,200. Simultaneous mA and % of scale readout on mA output. 25% manual step plus auto step and auto ramp on mA output. Min/max/average/hold/relative modes. Double size dual display. Accuracy, VDC 0.1% +1, VAC 0.7% +2, mA DC 0.05% +2, frequency 0.005% +1.