|
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(zhǔn)確度
|
|
|
+(解析度 + 時(shí)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(zhǔn)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(shí)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(cè) × 1,
電源線 × 1,
測(cè)試線 × 2
|
|
尺寸及重量
|
|
|
230(寬) × 95(高) × 280(長(zhǎng)) mm
約 2.2 公斤
|
特點(diǎn)
． 提供頻率、周期量測(cè)． 微電腦控制． GFC-8270H 數(shù)字型計(jì)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(cè)診斷 ． 可調(diào)式觸發(fā)準(zhǔn)位控制 ． 顯示鎖定功能
