臺灣固緯GFC-8131H數(shù)字頻率計數(shù)器的商品描述：GFC-8131H數(shù)字頻率計數(shù)器的特點．提供頻率與周期量測．在高頻與低頻，均具高解析度．頻率范圍：0.01Hz~1.3GHz．高感度：10mVrms．1Hz檔解析度：100nHz．可調(diào)式觸發(fā)準位控制．顯示鎖定功能GFC-8131H數(shù)字頻率計數(shù)器的技術(shù)參數(shù)：顯示 8位數(shù)withHz,kHz,MHz,GHz,S,mS, S,nSandoverflowGateTime Continuouslyvaryfrom10mSto10S,or1periodofinputdependingonwhicheverisgreater準確度 +(Resolution+Timebaseerror)頻道A范圍DC耦合0.01Hz~120MHz；AC耦合30Hz~120MHz感度10mVrmstypical；50mVrmsmax耦合ACorDC,switchable濾波器Lowpass,switchableinoroutforchannelA.-3dBpointofnominally100kHz阻抗1M //40pF衰減器x20dB觸發(fā)準位調(diào)整-2.5VDCto+2.5VDC解析度Themaximumresolutionforfrequencymeasurementis100nHzfor1Hzand0.1Hzfor100MHzinputrespectively,andforperiodmeasurementis10nSfor1Hzand0.1fS(f=10-15)for100MHzinputrespectively.Atleast7,6,5digitsaredisplayfor1S,100mS,10mSgatetimerespectivelyPeriodRange8nSto100Satleast7digitsdisplayedforpersecondofgatetime頻道B范圍50MHzto1.3GHz感度 40mVrms(10mVrmstypical)耦合AConly時基AgingRate1ppm,perMonth溫度5ppm23 C+5 C電源變化+0.005ppmfor+10%變化使用電源 AC100V/120V/220V/240V 10%,50/60Hz附件 操作手冊 1,電源線 1,測試線GTL-110 2尺寸及重量 230(寬) 95(高) 280(長)mm，約2.2公斤