... dyeing, paper making, Injection machine, central air conditioning, numerical control machine tool, air-compressor, fan and pump, blower, air ... : ±15% frequency: ±5%controlControl systemhigh performance vector control inverter based on DSPOutput frequencyG/F/Z/S/T/M:0.00 ... range is 10.00~2000.0Hz.control methodV/F control, V/F+ PG control, vector + PG control AC frequency inverter for motors