... can quickly adjust the voltage and frequency. 2.High precision, screen digital display: frequency, voltage, current, power, power ... 35-400Hz) 100Hz (optional), 200Hz (optional), 400Hz, load frequency stability of ± 0.1%.1. Output voltage: 0 ~ ... outputPhasessingle phasesVLow voltag0-150VHigh voltage0-300VFrequency47 Hz -63Hz,50 Hz,60 Hz,400 HzMaxAA Low voltage27.045.09018027045054090013501800AHigh ...