型 號 | 2677 | 2677A | 2677B | 2677C | 2677E |
額定電壓 | 2500V,5000V | 500V,1000V,2500V,5000V | 5000V,10kV | ||
工作電壓 | 額定電壓× (1±10%) | ||||
測量范圍上限值 | 100GΩ,200GΩ | 25GΩ,50GΩ,100GΩ,200GΩ | 200GΩ | ||
誤差 | ±5%RDG,±10%RDG | ||||
誤差為±5%RDG的范圍 | (0.01~50)GΩ | (0.0025~12.5)GΩ;(0.005~25)GΩ | (0.02~100)GΩ | ||
誤差為±10%RDG的范圍 | (0.005~0.01; 50~100)GΩ | (0.00125~0.0025;12.5~25)GΩ | (0.01~0.02)GΩ | ||
數(shù)字顯示值的偏差 | 與模擬指示值的差 ≤±5%RDG | ||||
輸出短路電流 | ≥3mA | ≥5mA | ≥3mA | ≥5mA | ≥2mA |
吸收比、極化指數(shù)的測量范圍 及誤差 | 測量范圍:1~19.99; 誤差:±(5%RDG+1d) | ||||
殘壓自泄時間 | ≤30S(0.1μF) | ||||
抗*力 | 2mA AC50Hz | ||||
輸出電壓顯示誤差 | 2%RDG+1d |
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