... harmonic wave to base wave all can be programmed control. 6. With RS232 interfaceand large capacity non-volatile memory, it can ... Voltage range: 200 mV, 400 mV, 2 V, 4 V, 20 V, 100 V, 200 V, 500 V, 1000 V; Current range : 20μA, 40μA, 200 μ A, 400 ... range :200 mV, 400 mV, 2 V, 4 V, 20 V, 40 V, 100 V, 200 V, 400 V , 1000 V; Current range: 20μA, 40μA, 200 μ A, 400 ...