固纬GFC-8270H数字型计频器|计频器

产品列表

气体分析检测仪器

产品介绍：

固纬GFC-8270H数字型计频器|计频器

规格

显示
	8 位数 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
准确度
	+(解析度 + 时基误差)
频道 A
范围	DC 耦合 0.01Hz ~ 120MHz；AC 耦合 30Hz ~ 120MHz
感度	10mVrms typical； 50mVrms max
耦合	AC 或 DC, switchable
滤波器	Low pass, switchable in or out for channel A. -3dB point of nominally 100kHz
阻抗	1MΩ//40pF
衰减器	x 20dB
触发准位调整	-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
频道 B
范围	50MHz to 2.7GHz
感度	<50mVrms (10mVrms typical)
耦合	AC only
时基
Aging Rate	1 ppm, per Month
温度	5 ppm 23°C + 5°C
电源变化	+0.005 ppm for +10% 变化
使用电源
	交流 100V/120V/220V/240V ±10%, 50/60Hz
附件
	操作手册 × 1, 电源线 × 1, 测试线 × 2
尺寸及重量
	230(宽) × 95(高) × 280(长) mm 约 2.2 公斤