GFC-8270H数字频率计数器的特点 1.提供频率、周期量测 2.微电脑控制 3.在高频与低频，均具高解析度 4.频率范围：0.01Hz ~ 2.7GHz 5.高感度：10mVrms 6.1Hz档解析度：100nHz 7.自我侦测诊断 8.可调式触发准位控制 9.显示锁定功能 GFC-8270H数字频率计数器的技术参数： 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 |
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GFC-8270H数字频率计数器的仪器型号： | GFC-8270H | GFC-8270H数字频率计数器的生产厂家： | 台湾固纬 | GFC-8270H数字频率计数器的订货代码： | GFC-8270H |
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