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中國臺灣固緯GFC8131H數(shù)字頻率計產(chǎn)品特點：
| ● | 提供頻率與周期量測 |
| ● | 在高頻與低頻，均具高解析度 |
| ● | 頻率范圍：0.01Hz ~ 1.3GHz |
| ● | 高感度：10mVrms |
| ● | 1Hz檔解析度：100nHz |
| ● | 可調(diào)式觸發(fā)準位控制 |
| ● | 顯示鎖定功能 |
中國臺灣固緯GFC8131H數(shù)字頻率計產(chǎn)品規(guī)格：
| 型號 | GFC-8131H |
| 顯示 | |
| 8位數(shù) with Hz, kHz, MHz, GHz, S, mS, μS, nS and overflow | |
| Gate Time | |
| Continuously vary form 10mS to 10S, or 1 period of input depending on whichever is greater | |
| 準確度 | |
| | ±（解析度±時基主差） |
| 頻道A | |
| 范圍 | DC耦合：0.01Hz ~ 120MHz；AC耦合：30Hz ~ 120MHz |
| 感度 | 10mVrms typical；50mVrms max |
| 耦合 | AC或DC，switchable |
| 濾波器 | Low pass, switchable in or out for channel A. |
| -3dB point of nominally 100kHz | |
| 阻抗 | 1MΩ//40pF |
| 衰減器 | ×20dB |
| 觸發(fā)準位調(diào)整 | -2.5VDC to +2.5VDC |
| 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 |
| 頻道B | |
| 范圍 | 50MHz to 1.3GHz |
| 感度 | ≤40mVrms （10mVrms typical） |
| 耦合 | AC only |
| 時基 | |
| Aging Rate | 1ppm, per Month |
| 溫度 | 5ppm 23℃±5℃ |
| 電源變化 | ±0.005ppm for±10%變化 |
| 使用電源 | |
| AC 100V/120V/220V/240V±10%，50/60Hz | |
| 尺寸與重量 | |
| 230（寬）×95（高）×280（長）mm | |
| 約2.2kg |