Description UTRON CC-421 is a VOLTAGE/CURRENT CALIBRATOR . Current source : 0 to 24 mA, 2 ranges. Current measurement : 0 to 24 mA, 2 ranges. Power (12 V) and current measurement of two wire loop : 0 to 24 mA, 2 ranges. DC mV source : -199.9mV to 199.9mV.
