臺灣標準電機SEW儀器儀表--2712 EL ELCB Testers Up To 500mA


            
         
        2712 EL   ELCB Testers
        Up To 500mA  
        2712 EL
        FEATURES
         
         2 Lines x 16 characters L.C.D.
         Very low consumption.
         Microprocessor controlled.
         50Hz and 60Hz operation.
         Menu Driven.
         Accurate digital readout of disconnection time.
         Automatic data hold function.
         Over temperature protection.
         Over voltage protection.
         Fuse protection.
         Zero crossing circuitry permit testing at 0 degree or 180 degree.
         Disconnection phase polarity shown on LCD display.
         Auto-off and Off override.
         Polarity trip indicator (positive or negative phase).
         Wiring polarity indicator.
         Measure voltage between line and earth before testing.
         Frequency measurement indication.
          CAT III 300V.
         The 2712 EL is a compact hand held residual current detector, earth leakage circuit breaker or ground fault circuit interrupter tester (designation could be different from country to country), designed to meet international standards of performance and safety.
         This model is used by professioals to obtain accurate values of the protection disconnection time while a selectable fault current is injected to earth (ground).
        SPECIFICATIONS
         
        Current Settings 3mA, 5mA, 10mA, 15mA, 20mA, 30mA, 50mA, 100mA, 150mA, 250mA, 300mA, 500mA
        Current Selection Rotary switch selector
        Phase Angle Setting 0 degree and 180 degree selectable
        Operating Voltage (L-E) 50Hz or 60Hz Verson A : 240Vac, Version B : 230Vac, Version C : 220Vac, Version D : 110Vac
        Voltmeter (L-E) 20Vac - 280Vac (50Hz or 60Hz)
        Over-Temperature Protection Yes (3 sensors)
        Wiring Correctness Indication Yes (LCDs)
        Trip Indicator Yes (LCD)
        Phase Polarity Trip Indicator Yes (LCD) Referenced to Earth
        Timer Resolution 1mS (max time = 19.99s)
        Timer Accuracy +/- 2mS
        Current Accuracy +/- 5% +/-1mA
        Voltmeter Resolution 1Vac
        Voltmeter Accuracy +/- 2% +/- 1Vac
        Operating Temperature -5 degree C to 45 degree C
        Storage Temperature -10 degree C to 85 degrcc C
        Power Source 1.5V SUM-3 (AA) x 6 or equivalent
        Dimensions 205(L) x 90(W) x 55(D) mm
        Weight Approx. 530g (battery included)
        Accessories Test leads, heavy-duty case (TOC-2751), instruction manual, batteries
        特 點
        ● 微處理器系統(tǒng)控制設計。
        ● 寬廣型LCD液晶顯示。
        ● 電源消耗微小。
        ● 適用於50Hz或60Hz。
        ● 會顯示操作程序。
        ● 具有有自動鎖定量測值功能。
        ● 有過熱保護、過載保護、保險絲保護。
        ● 可作相位選擇,並顯示於LCD上。
        ● 自動關機。
        ● 被測線的極性亮燈顯示。
        ● 量測頻率會顯示。
        ● 符合 CAT Ⅲ 300V
        EN 61326-1
        規(guī) 格 (23°C±5°C <80%R.H.)
        操作電壓(L-E)型式
        (50Hz 或60Hz)
        Version A : 240 Vac
        Version B : 230 Vac
        Version C : 220 Vac
        Version D : 110 Vac
        電流設定檔位 3mA, 5mA, 10mA, 15mA, 20mA, 30mA, 50mA,
        100mA, 150mA, 250mA, 300mA, 500mA.
        電流檔選擇 運用旋鈕選擇
        相位設定 有 0°與180°兩種供選擇
        正確接線指示 有(LEDs)
        跳脫顯示 顯示在LCD上
        過溫保護 有(有三個感應點)
        電壓指示(L-E) 20Vac ~ 280Vac
        (50Hz or 60Hz)
        Z小解析度 1mS(測試Z長時間19.99S)
        時間準確度 ±2ms
        電流準確度 ±5% ±1mA
        電壓準確度 ±2%±1Vac
        操作溫度 -5°C to 45°C
        儲藏溫度 -10°C to 55°C
        外形尺寸 205(長)×90(寬)×55(高)mm
        重量 約530克(含電池)
        使用電池 1.5V(AA)×6(顆)