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顯示
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8 位數 with Hz, kHz, MHz, GHz, S, mS, μS, nS and overflow
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Gate Time
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Continuously vary from 10mS to 10S, or 1 period of input depending on whichever is greater
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準確度
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+(解析度 + 時基誤差)
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頻道 A
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范圍
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DC 耦合 0.01Hz ~ 120MHz；AC 耦合 30Hz ~ 120MHz
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感度
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10mVrms typical； 50mVrms max
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耦合
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AC 或 DC, switchable
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濾波器
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Low pass, switchable in or out for channel A.
-3dB point of nominally 100kHz
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阻抗
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1MΩ//40pF
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衰減器
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x 20dB
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觸發準位調整
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-2.5 VDC to +2.5 VDC
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解析度
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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 respectively
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Period Range
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8nS to 100S at least 7 digits displayed for per second of gate time
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頻道 B
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范圍
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50MHz to 2.7GHz
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感度
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<50mVrms (10mVrms typical)
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耦合
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AC only
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時基
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Aging Rate
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1 ppm, per Month
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溫度
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5 ppm 23°C + 5°C
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電源變化
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+0.005 ppm for +10% 變化
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使用電源
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交流 100V/120V/220V/240V ±10%, 50/60Hz
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附件
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操作手冊 × 1,
電源線 × 1,
測試線 × 2
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尺寸及重量
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230(寬) × 95(高) × 280(長) mm
約 2.2 公斤
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特點
． 提供頻率、周期量測． 微電腦控制． GFC-8270H 數字型計頻器在高頻與低頻，均具高解析度． 頻率范圍：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
