GFC-8270H智慧型数字频率计数器
GFC-8270H智慧型数字频率计数器特性：
GFC-8270H智慧型数字频率计数器提供频率、周期量测
GFC-8270H智慧型数字频率计数器微电脑控制
GFC-8270H智慧型数字频率计数器在高频与低频，均具高解析度
GFC-8270H智慧型数字频率计数器频率范围：0.01Hz ~ 2.7GHz
高感度：10mVrms
1Hz 档解析度：100nHz
自我侦测诊断
可调式触发准位控制
显示锁定功能
GFC-8270H智慧型数字频率计数器规格：
| 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 | 1MW//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 765 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 ( GTL-101 × 1 GTL-110 × 1 ) |
| |
| 尺寸及重量 | 230(宽) × 95(高) × 280(长) mm 约2.2 公斤 |
固纬频率计选型表
| 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 |
