美国EXTECH380193便携式LCR测量仪380193:PassiveComponentLCRMeterMeasuresInductance,Capacitance,andResistancewithsecondaryparameter(Q,D,R)Features:Simultaneous20,000/10,000countdisplayoftheprimaryparameter(L,CorR)SecondaryparameterofQ(quality),D(dissipation)orR(resistance)SetHi/LolimitsusingabsolutevaluesorpercentagelimitsParallelorSeriesequivalentcircuitAutomaticblownfuseindicationBuilt-intestfixtureoruseexternaltestleads)