| |  數(shù)字頻率計特點 |
． 提供頻率、周期量測． 微電腦控制． 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(diào)式觸發(fā)準位控制 ． 顯示鎖定功能 |
| | 數(shù)字頻率計規(guī)格 |
| 顯示 | | 8 位數(shù) 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 | | 準確度 | | +(解析度 + 時基誤差) | | 頻道 A | | 范圍 | 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(fā)準位調(diào)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 respectively | | Period Range | 8nS to 100S at least 7 digits displayed for per second of gate time | | 頻道 B | | 范圍 | 50MHz to 2.7GHz | | 感度 | <50mVrms (10mVrms typical) | | 耦合 | AC only | | 時基 | | Aging Rate | 1 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 |
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