产品特点： DualDisplayDigitalV-A-W TrueWatt TrueRMSCurrent PowerFactor:0~1产品规格： WATTMEASUREMENT Range 19.99W,199.9W,1999W Accuracy (0.3%+3d) FREQ.Response 40Hz~70Hz MAX.Voltage 299.9V MAX.Current 200mAfor19.99W,2Afor199.9W,20Afor1999W PowerFactor 0~1,LeadingorLagging ShuntResistance 0.01 ACVOLTAGEMEASUREMENT Range 0~299.9V Accuracy (0.25%+2d) FREQ.Response 40Hz~1KHz Protection 700V Impedance 1000K ACCURRENTMEASUREMENT Range 1999A,1.999A,19.99A Accuracy (0.3%+2d) FREQ.Response 40Hz~200Hzfor.1999A 40Hz~1KHzfor.1.999A~19.99A ShuntResistance 0.01 CrestFactor MIN60.1 LinearDecreasingto3:1 GENERAL MIN.Input 10%ofRangeforAIITrueRMSConverters PowerSource AC115V/230V, 10%,60Hz/50Hz Dimension 262(W) 85(H) 270(D)mm NetWeight 1.5Kg Accessories OperationManual 1