台湾标准电机SEW仪器仪表--4126 NA Loop Testers
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            4126 NA   Loop Testers
            4126 NA
            FEATURES
             
             2 Lines x 16 characters Liquid Crystal Display
             Auto-ranging/Auto-off.
             One Push Button Operation.
             Very Low Consumption.
             Microprocessor Controlled.
             Better than 3% Accuracy (0.05 ~ 50 Ohm).
              CAT III 300V.
             Wiring integrity Check (display + LEDs).
             Over Temperature Protection and Indication.
             Stores Previous readings.
             Measures : L-E and L-E AC voltages, L-E and L-N Loop Impedance, Prospective Short Circuits L-E and L-n, Earth Spike, Line and Neutral Impedances.
            SPECIFICATIONS
             
            Loop/Earth/Wires 0.03 - 2000 Ohm (auto-ranging)
            Prospective Short Circuit 0 ~ 6kA at 230Vac
            Operating Voltage 50V ~ 275Vac (50 or 60 Hz)
            Best Performance at Raged Voltage 230Vac +/- 20% Max. 10A
            Operating Temperature 0 degree C ~ 40 degree C
            Operating Humidity 80% Maximum
            Storage Temperature 20 degree C ~ 60 degree C
            Storage Humidity 85% Maximum
            Accuracy of Voltages +/- 1% (210 ~ 250V) +/- 3% otherwise
            Accuracy Loops/Earth and Wire Impedances +/- 2% (0.05 ~ 50 Ohm) +/- 3% 500 Ohm, +/- 15% (above 500 Ohm)
            Dimensions 205(L) x 190(W) x 110(D)mm
            Weight Appox. 1500g (battery is included)
            Power Source 1.5V SUM-3 (AA) x 8
            Accessories Test leads (AL-34)
            Shoulder belt
            Instruction manual
            Batteries
            特 點
            ● 微處理器系統控制設計。
            ● 採用寬廣的16字×2(行)的液晶顯示器。
            ● 可以檢查線的狀況。
            ● 自動換檔功能。
            ● 自動關機功能。
            ● 可量測L-E和L-N的交流電壓
            L-E和L-N的阻抗
            L-E和L-N的預期短路電流
            E.N.L的阻抗
            ● 只需使用一個測試按鍵,即可進行各項功能檢測。
            ● 可儲存前一次的量測值。
            ● 電池耗電量微小。
            ● 通過歐洲安規檢驗
            EN 61010-1 CAT III 300V
            EN 61326-1
            規 格 (23°C±5°C <80%R.H.)
            迴路/接地/接線
            阻抗量測範圍
            0.03-2000Ω
            (自動換檔)
            預期短路電流 0~6kA at 230 交流電壓
            操作電壓 50-275V交流電壓(50Hz)
            量測 條件 230Vac±20V Z大電流10A
            電壓準確度 ±1%(210-250V)
            其他:±3%
            迴路/接地阻抗準確度 ±2%(0.05-50Ω)/±3%(50Ω-500Ω)
            接線阻抗準確度 ±15%
            操作環境 0°C-40°C <80%R.H.
            外形尺寸 250(長)×190(寬)×110(高)mm
            重量 約1500g(含電池)
            使用電池 1.5V(AA)×8(顆)
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