中赛仪器库存大量各种高频二手机现货特新机***出售中一本公司长期现金回收各种高频二手仪器8719ES/ET:50MHzto13.5GHz8720ES/ET:50MHzto20GHz8722ES/ET:50MHzto40GHzETModelsh***einternalTran***ission/ReflectionTestSetESModelsh***einternalS-ParameterTestSet100dBofdynamicrangeExcellentmeasurementaccuracyTwomeasurementchannelsFourdisplaychannelsFrequencyandpowersweepsFastsweepanddatatransferspeedPass/Failtesting,powerfulmarkerfuncti***Electroniccalibration(ECal)Internalautomationwithtest-sequencingOptionaltime-domain,highpowertestset,foursamplersandTRLcalibration,directsampleraccess,frequency-offsetmode)