Process Calibrator Multimeter Source Current 0 to 20 mA 4 to 20 mA DC Current Measurement Range 50 mA to 1A AC/DC Voltage Measurement Range 50mV to 1000V AC/DC Loop Supply Voltage 24V DC Accuracy +/- 0.05 Percent Voltage (AC) 1000V 500mV 500V 50mV 50V 5V Voltage (DC) 50V 50mV 500V 500mV 1000V Basic DC Accuracy +/-0.05 Percent Amps AC 1 A Amps DC 1 A 50 mA Resistance (Ohms) 500 500K 500M 50K 50M 5K 5M True RMS Yes Frequency Range (Hz) 100 kHz 500 Hz 500 kHz