供应有源差分探头PT-8001,差分探头，台湾三华， Specifications Bandwidth25MHzAccuracy 2%InputImpedance4K //5.5pFeachsidegroundOutputVoltage-Swing(into50K load) 7V-Offset(typical)＜ 5mV-Noise（typical）0.7mVrmsPowerRequirements-Standard4 AAcellsor6VDC/60mAmainsadaptororregulated 9VDC/40mAmainsadaptor-OptionspowerleadsWeighr400g(probeandPVCjacket)Dimension(L W H)170mm 63mm 21mm SpecificationsPT-8001PT-8002AttenuationRatio1:10/1001:20/200CMRR(typical)-86dB@50Hz,-66dB@20MHz-80dB@50Hz,-60dB@20kHzDifferentialInputVoltage(DC+PeakAC) 70V@1/10 700V@1/100 140@1/20 1400@1/200CommonModeVoltage(DC+PeakAC) 700V@1/10＆1/100 1400V@1/20＆1/200AbsoluteMax.Input(Eachsidetoground)1000VrmsCATⅢ1000VrmsCATⅢ