显示8位数with Hz, kHz, MHz, GHz, S, mS, µS, nS and overflowGate TimeContinuously vary from 10mS to 10S, or 1 period of input depending on whichever is greater准确度+(Resolution +Timebase error)频道A范围DC耦合0.01Hz ~ 120MHz；AC耦合30Hz ~ 120MHz感度10mVrms typical；50mVrms max耦合AC or DC switchable滤波器Low pass, switchable in or out for channel A.-3dB point of nominally 100kHz阻抗1MW//40pF衰减器x 20dB触发准位调整-2.5 VDC to +2.5 VDC解析度The maximum resolution for frequency measurement is 100nHz for 1Hz and 0.1Hz for 100MHz input respectively, and for period measurement is 10nS for 1Hz and 0.1fS (f=10-15) for 100MHz input respectively.At least 7,6,5 digits are display for 1S, 100mS, 10mS gate time respectivelyPeriodRange8nS to 100S at least 7 digits displayed for per second of gate time频道B范围50MHz to 1.3GHz感度<40mVrms (10mVrms typical)耦合AC only时基Aging Rate1 ppm, per Month温度5 ppm 23°C+ 5°C电源变化+0.005 ppm for +10%变化使用电源AC 100V/120V/220V/240V±10%, 50/60Hz附件操作手册 ×1,电源线 ×1,测试线 ×2, GTL-101×1, GTL-110×1