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提供頻率、週期量測；微電腦控制；在高頻與低頻，均具高解析度 頻率範圍0.01Hz ~ 2.7GHz ；高感度：10mVrms；1Hz 檔解析度：100nHz 自我偵測診斷；可調式觸發準位控制；顯示鎖定功能。 顯示8 位數 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準確度+(解析度 + 時基誤差)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 或 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 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 respectivelyPeriod Range8nS to 100S at least 7 digits displayed for per second of gate time頻道 B 範圍50MHz to 2.7GHz感度<50mVrms (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% 變化使用電源交流 100V/120V/220V/240V ±10%, 50/60Hz附件操作手冊 × 1,電源線 × 1,測試線 × 2尺寸及重量230(寬) × 95(高) × 280(長) mm約 2.2 公斤