... , ,200mV, 2V, 20V, 200V ±0.05% reading data ±11μV, 10μV, 100μV, 1mV, 10mV, TC2330DCI3 1/2 DC digital ampermeter2mA, 20mA, 200mA ... , ,2V, 20V, 200V, 400V ±0.4% reading data ±101μV, 10μV, 100μV, 1mV, 10mV, 40Hz-20KHz TC2330ADCV3 1/2 auto-range digital ... , ,200mV, 2V, 20V, 200V, 1000V ±0.05% reading data ±11μV, 10μV, 100μV, 1mV, 10mV, 100mV, 1V