固纬 GFC-8131H 频率计

GFC-8131H 频率计 固纬显示 8 位数 with Hz, kHz, MHz, GHz, S, mS, μS, nS and overflow Gate Time Continuously 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 1MΩ//40pF 衰减器 x 20dB 触发准位调整 -2.5 VDC to +2.5 VDC

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