规                 格

显示

8 位数 with Hz, kHz, MHz, GHz,S, mS, µS, nS and overflow

GateTime

Continuously vary from 10mSto 10S, or 1 period of input depending on whichever isgreater

准确度

+(Resolution +Timebaseerror)

频道 A

范围

DC 耦合 0.01Hz ~ 120MHz；AC 耦合30Hz ~ 120MHz

感度

10mVrms typical； 50mVrmsmax

耦合

AC or DCswitchable

滤波器

Low pass, switchable in orout for channel A.
-3dB point of nominally 100kHz

阻抗

1MW//40pF

衰减器

x 20dB

触发准位调整

-2.5 VDC to +2.5VDC

解析度

The maximum resolution forfrequency measurement is 100nHz for 1Hz and 0.1Hz for 100MHz inputrespectively, 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 timerespectively

PeriodRange

8nS to 100S at least 7digits displayed for per second of gate time

频道 B

范围

50MHz to1.3GHz

感度

<40mVrms (10mVrmstypical)

耦合

AC only

时基

AgingRate

1 ppm, perMonth

温度

5 ppm 23°C +5°C

电源变化

+0.005 ppm for +10%变化

使用电源

AC 100V/120V/220V/240V ±10%,50/60Hz

附件

操作手册 × 1, 电源线 ×1, 测试线 × 2, GTL-101 × 1, GTL-110 × 1

尺寸及重量

230(宽) × 95(高) × 280(长) mm,约 2.2 公斤

机种

主要功能或用途

GFC-8270H

数位型数字频率计数器 0.01Hz ~ 2.7GHz

GFC-8131H

数位型数字频率计数器 0.01Hz ~ 1.3GHz

GFC-8010H

数字频率计数器 1Hz ~120MHz