提供频率、周期与RPM量测微电脑控制在高频与低频,均具高解析度频率范围:0.01Hz~2.7GHz高感度:10mVrms1Hz档解析度:100nHz自我侦测诊断可调式触发准位控制显示锁定功能显示8位数withHz,kHz,MHz,GHz,S,mS, S,nSandoverflowGateTimeContinuouslyvaryfrom10mSto10S,or1periodofinputdependingonwhicheverisgreater准确度 (解析度 时基误差)频道A: 范围DC耦合0.01Hz~120MHz;AC耦合30Hz~120MHz感度10mVrmstypical;50mVrmsmax耦合AC或DC,switchable滤波器Lowpass,switchableinoroutforchannelA.阻抗1M //40pF衰减器x20dB触发准位调整-2.5VDCto+2.5VDC解析度Themaximumresolutionforfrequencymeasurementis100nHzfor1Hzand0.1Hzfor100MHzinputrespectively,andforperiPeriod8nSto100Satleast7digitsdisplayedRangeforpersecondofgatetimeRPM0.6RPM~7200x106RPM频道B: 范围50MHzto2.7GHz感度 50mVrms(10mVrmstypical)耦合AConly时基: AgingRate1ppm,perMonth温度5ppm23 C 5 C电源变化 0.005ppmfor 10%变化使用电源交流100V/120V/220V/240V 10%,50/60Hz