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    1. 台湾标准电机SEW仪器仪表--4112 EL ELCB Testers Up To 500mA
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        4112 EL   ELCB Testers
        Up To 500mA  
        4112 EL
        FEATURES
         
         2 Lines x 16 Characters L.C.D.
         Very low consumption.
         Microprocessor controlled.
         Menu Driven.
         Accurate digital readout of disconnection time.
         Automatic data hold function.
         Zero crossing circuitry permit testing at 0 degree or 180 degree.
         Disconnection phase polarity shown on L.C.D. display.
         Auto-off and Off override.
         Polarity trip indicator (positive or negative phase).
         Wiring polarity indicator.
         Measure voltage between line and earth before testing.
          CAT III 300V.
         Indicates frequency of voltage L-E.
        SPECIFICATIONS
         
        Current Settings 3mA, 5mA, 7mA, 10mA, 15mA, 20mA, 30mA, 35mA, 50mA, 100mA, 125mA, 150mA, 175mA, 250mA, 300mA, 375mA, 500mA
        Current Selection Rotary switch selector
        Phase Start Selection 0 degree and 180 degree Referenced to Earth Yes
        Over-temperature Protection Yes
        Wiring Correctness Indication Yes
        Trip Indicator Yes
        Phase Polarity Trip Indicator Yes
        Operating Voltage (L-E) Referenced to Earth 240Vac - 50Hz or 60Hz Voltage Model (Vac)
        Timer Resolution 1mS (max time = 19.99s)
        Timer Accuracy 1mS +/- 1mS
        Current Accuracy +/- 5% +/-1mA
        Operating Temperature -5 degree C to 45 degree C
        Storage Temperature -10 degree C to 85 degrcc C
        Power Source 1.5V (AA) x 8 batteries, Bat OK Led = Vbat > 7.5V
        Dimensions 250(L) x 190(W) x 110(D) mm
        Weight Approx. 1500g (battery included)
        Accessories Test leads, shoulder belt, Instruction manual, batteries
        特 點
        ● 微處理器系統控制設計。
        ● 操作電壓110-450V(L-E)。
        ● 檢查核對斷路器跳脫時間和跳脫電流。
        ● 可選擇相位(0度和180度)。
        ● 自動換檔。
        ● 自動關機。
        ● 過熱保護。
        ● 可供重工業設備量測。
        ● 保險絲保護設計。
        ● 符合EN 61010-1 CAT Ⅲ 300V
        EN 61326-1
        規 格 (23°C±5°C <80%R.H.)

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