GFC-8270H數位型數字頻率計數器特點
. 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 . 可調式觸發準位控制 . 顯示鎖定功能
GFC-8270H數位型數字頻率計數器規格
顯示 | |
8 位數 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 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 |