| 提供频率与周期量测 在高频与低频,均具高解析度 频率范围:0.01Hz ~ 1.3GHz 高感度:10mVrms 1Hz 档解析度:100nHz 可调式触发准位控制 显示锁定功能 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 | +(Resolution +Timebase error) | | 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 or 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 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 1.3GHz | 感度 | <40mVrms (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 | 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 |
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 |
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