... (V)220± 1.5%Frequency Precision(Hz)50± 0.1%OutputPure Sine WaveWave Distortion(THD )(Resistant Load)≤ 3 ... % Dynamic Reaction Time(Load 0← → 100%)5% Power Factor(PF)0.8/0.7/0.6Overload220%, 30 secInversion Efficiency(80% ... 50CHumidity0~90%Sea Level(m)≤ 2000DISPLAYLCD Input/output voltage, frequency, output current, temperatuerLEDline, inverter, battery, output LoadMECHANICAL19 Inch Rack Type(D× W× ...