臺(tái)灣固緯（GW-instek）智能頻率計(jì)GFC8270H
特點(diǎn)
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(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
1MW//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
50MHz to 2.7GHz
<50mVrms (10mVrms typical)
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(xiàn) × 1, 測(cè)試線(xiàn) × 2 ( GTL-101 × 1, GTL-110 × 1 )
尺寸及重量
230(寬) × 95(高) × 280(長(zhǎng)) mm, 約 2.2 公斤