... -2,It is applicable for the motor,air-condition, transformer,alternating current source,and welder lighting. Also, it fits for the product ... ,VA,Var,kWh (optional)and harmonic value for voltage and current (optional).2. Integration function (optional).3. Printer and RS-232 ... ).4. Auto range.5. Voltage:75V/150V/300V/600V.6. Current:0.5A/2A/8A/20A.7. Accuracy:0.5class.8 ...