Product description Single-phase standard power supply is suitable for power department, quality control department, research units, institution of higher learning, electric energy meter, power supply management, load control, power quality, reactive power compensation device and production of the enterprise and so on. It can be as single phase voltage source, current source and power source. Electrical parameters Electrical parameters Accuracy class 0.05%, 0.1% Power supply Single phase AC 85-265V, 50/60 Hz AC Voltage output Range 57.7V / 100 V / 220V / 380V, Switch automatically (max 500V) Adjustment resolution 0.01%, 0.1%, 1%, 10%, AC Voltage output Range 57.7V / 100 V / 220V / 380V, Switch automatically (max Adjustment resolution 0.01%, 0.1%, 1%, 10%, Accuracy 0.05% RG Stability Better than 0.01% RG/1min Distortion degree Better than 0.1% (not capacitive load) Load capacity 40VA Full load regulation rate Less than 0.01% RG Full load regulation time Less than 1ms Temperature drift 8 PPM C Long-term stability 60 PPM/year AC Current output Range Adjustment resolution Accuracy Stability Distortion degree Load capacity Full load regulation rate Full load regulation time Temperature drift Long-term stability 0.1A / 0.25A / 0.5A / 1A / 5A / 10A / 20A / 50A / 100A, Switch automatically 0.01%, 0.1%, 1%, 10%, 0.05% RG Better than 0.01% RG/1min Better than 0.1% (not capacitive load) 40VA Less than 0.01% RG Less than 1mS 8 PPM C 60 PPM/year