1)High quality frequency Inverter ZVF9 2)With CE & CQC ... Voltage, current , impulse , communication and other multi frequency setting modes. Also can realize the overplay function ... different clients 7Customization function design :program running, wobble frequency running, PID control operation , timing function ,counter ... steam , drip and saltVibration: <0.5G Frequency Inverter//AC Drive Inverter//VFD