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    臺灣標(biāo)準(zhǔn)電機(jī)SEW儀器儀表--2751 IN Insulation Testers Up To 1 kV Digital
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    2751 IN   Insulation Testers
    Up To 1 kV (Digital)  
    2751 IN
    FEATURES
     
     68 x 34mm (1.338" x 2.677") large LCD display.
     Three insulation test voltages (DC V) : 250V, 500V, 1000V.
     External voltage warning indication.
     Automatic curcuit discharge.
     Test insulation at rated voltage into a 1mA load.
     200mA resistance tests short circuit test current.
     AC voltage measurement.
     Fuse protection.
     Timer for test function (count 3~5 minutes).
     Data hold function.
     Auto power off function.
      CAT III 600V.
     BS 16th edition.
    SPECIFICATIONS
     
    INSULATION RESISTANCE
    Test Voltage (DC V) 250V/500V/1000V
    Output Voltage Open Circuit + 10%
    Measuring Ranges (Auto) 0-20/0-200/0-2000M Ohm
    Output Current 250V : 1mA DC min. at 0.25M Ohm, 500V : 1mA DC min. at 0.5M Ohm, 1000V : 1mA DC min. at 1M Ohm
    Accuracy 20M Ohm : +/- (1.5%rdg+5dgt), 200M Ohm : +/- (2.5%rdg+3dgt), 2000M Ohm : +/- (5%rdg+5dgt)
    Power Consumption Max. consumption current approx. 250mA
    AC VOLTAGE RANGE
    Measuring Ranges 0-600V
    Resolution 1V
    Line Frequency Range 40-120Hz
    Accuracy +/- (1.5%rdg+3dgt)
    CONTINUITY TEST RANGES
    Measuring Range (Auto) 0 - 20/0 - 200/0 - 2000 Ohm
    Open Circuit Terminal Voltage 4V DC min
    Shot Circuit Terminal Current 200mA DC min
    Power Consumption Max. consumption current approx. 160mA
    Accuracy +/- (1.5%rdg+3dgt)
    Buzzer Sounds under 10M Ohm
    Display LCD 3-1/2 (2000 counts)
    Power Source 1.5V SUM-3 (AA) x 6 or equivalent
    Dimension 205(L) x 90(W) x 55(D)mm
    Weight approx. 550g (battery included)
    Accessories Test leads (TEL-AL11-A), fuse (05.A 250V), shoulder belt, carrying case, instruction manual, batteries
    特 點(diǎn)

    ● 使用寬廣型液晶顯示器(68mm x 34mm)。
    ● 三檔量測電壓:250V、500V、1000V。
    ● 活電線路警示。
    ● 自動放電。
    ● 絕緣阻抗測試時(shí),輸出電流可達(dá)1mA。
    ● 導(dǎo)通測試時(shí),短路電流為200mA。
    ● 可作交流電壓量測。
    ● 保險(xiǎn)絲保護(hù)設(shè)計(jì)。
    ● 量測時(shí)間3-5分鐘,可自動關(guān)機(jī)。
    ● 有讀值鎖定功能。
    ● 符合英國第16版本(BS 16th)。
    ● 符合 CAT Ⅲ 500V
    EN 61326-1

    規(guī) 格 (23°C±5°C <80%R.H.)
    絕緣阻抗(MΩ)
    量測檔位(自動換檔) 250V / 500V / 1000V
    量測範(fàn)圍
    (自動換檔)
    0-20MΩ / 0-200MΩ / 0-2000MΩ
    準(zhǔn)確度 0-20MΩ : ±(1.5%讀值+5位數(shù))
    0-200MΩ : ±(2.5%讀值+3位數(shù))
    0-2000MΩ : ±(5%讀值+5位數(shù))
    Z大容許量測電壓 額定電壓 +10%
    量測推動電流 1mA DC
    電源消耗 Z大約 250mA
    導(dǎo)通測試(Ω)
    量測檔位 (自動換檔) 0-20Ω / 0-200Ω / 0-2000Ω
    準(zhǔn)確度 ±(1.5%讀值+3位數(shù))
    蜂鳴器響應(yīng) 低於 10Ω
    短路電流 200mA DC min.
    交流電壓(ACV)
    量測範(fàn)圍 0-500V AC (40-120Hz)
    解析度 1V
    準(zhǔn)確度 ±(1.5%讀值+3位數(shù))
    一般敘述
    外形尺寸 205(長)×90(寬)×55(高)mm
    重量 約550克(含電池)
    使用電池 1.5V(AA)×6(顆)