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臺(tái)灣標(biāo)準(zhǔn)電機(jī)SEW儀器儀表--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(diǎn)
            ● 微處理器系統(tǒng)控制設(shè)計(jì)。
            ● 操作電壓110-450V(L-E)。
            ● 檢查核對(duì)斷路器跳脫時(shí)間和跳脫電流。
            ● 可選擇相位(0度和180度)。
            ● 自動(dòng)換檔。
            ● 自動(dòng)關(guān)機(jī)。
            ● 過熱保護(hù)。
            ● 可供重工業(yè)設(shè)備量測(cè)。
            ● 保險(xiǎn)絲保護(hù)設(shè)計(jì)。
            ● 符合EN 61010-1 CAT Ⅲ 300V
            EN 61326-1
            規(guī) 格 (23°C±5°C <80%R.H.)