... and the hamonic analysis meet the requirements of IEC61000-3-2,It is applicable for the motor,air-condition, transformer, ... , quality control department, computation department, inspection department and electric power department.1. 3Displays:V,A,PF,Hz,W,VA,Var ... value for voltage and current (optional).2. Integration function (optional).3. Printer and RS-232 Interface (optional).4. Auto range.5. ...