... power source, high precision reference standard meter.3. Output voltage and current adopts soft-stop and start, alarm ... be set freely under manual calibration.5. Output voltage and current signal can be set according to the city ... .Index:1.Accuracy class: 0.05, 0.1.2.Output voltage: 60, 100, 220, 380, 0-120% ... of each range can be continually adjusted.3.Output current: 0.1A, 0.5A, 1A, 2.5A, ...