Fixed Output Voltage (Adjustable Over 10% of Nominal Output Voltage).Preset Positive & Negative Outputs Employing Master Slave Technique.Tracking Accuracy 1 %.Load & Line Regulation: 0.1 %.Ripple & Noise: 1 mV (r. m. s.) Max.Protected Against Overload & Short Circuit by Means of Fold back Circuitry.Input Voltage: 230V AC 10%, 50Hz, Single Phase.Operating Temperature Range: 0 to 55C.