GFC-8131H数字频率计/台湾固纬GFC-8131H数字频率计的详细说明     台湾固纬数字频率计/GFC-8131H数字频率计/GFC-8131H数字频率计GFC-8131H数字频率计详细说明：提供頻率與週期量測?在高頻與低頻，均具高解析度?頻率範圍：0.01Hz ~ 1.3GHz? 高感度：10mVrms?1Hz 檔解析度：100nHz?可調式觸發準位控制? 顯示鎖定功能GFC-8131H数字频率计技术参数：顯示 8 位數 with Hz, kHz, MHz, GHz, S, mS, µS, nS and overflowGate Time Continuously vary from 10mS to 10S, or 1 period of input depending on whichever is greater準確度 +(Resolution+Timebase error)頻道 A範圍DC 耦合 0.01Hz ~ 120MHz；AC 耦合 30Hz ~ 120MHz感度10mVrms typical； 50mVrms max耦合AC or DC, switchable濾波器Low pass, switchable in or out for channel A.-3dB point of nominally 100kHz阻抗1MΩ//40pF衰減器x 20dB觸發準位調整-2.5 VDC to +2.5 VDC解析度The maximum resolution for frequency measurement is 100nHz for 1Hz and 0.1Hz for 100MHzinput 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 respectivelyPeriod Range8nS to 100S at least 7 digits displayed for per second of gate time頻道 B範圍50MHz to 1.3GHz感度<40mVrms (10mVrms typical)耦合AC only時基Aging Rate1 ppm, per Month溫度5 ppm 23°C+5°C電源變化+0.005 ppm for+10% 變化使用電源 AC 100V/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