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    1. 台湾标准电机SEW仪器仪表--1812 EL ELCB Testers Up To 500mA
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        1812 EL   ELCB Testers
        Up To 500mA  
        1812 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 240V.
        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 (3 sensors)
        Wiring Correctness Indication Yes (LCDs)
        Trip Indicator Yes (LCD)
        Phase Polarity Trip Indicator Yes (LCD) Referenced to Earth
        Operating Voltage (L-E) 50Hz or 60Hz 1812EL-A : 240Vac, 1812EL-B : 230Vac, 1812EL-C : 220Vac, 1812EL-D : 110Vac
        Voltmeter (L-E) 20Vac - 280Vac
        Timer Resolution 1mS (max time = 2.999s)
        Timer Accuracy +/- 2% +/- 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 (AA) x 8 batteries, Bat OK Led = Vbat > 7.5V, measure battery voltage at start up
        Dimensions 170(L) x 165(W) x 92(D) mm
        Weight Approx. 1020g (battery included)
        Accessories Test leads (TEL-1812), shoulder belt (BET-1800), instruction manual, batteries
        特 點
        ● 微處理器控制系統設計。
        ● 使用16字x2行的液晶顯示器。
        ● 電池能量低消耗。
        ● 操作程序逐次顯示。
        ● 讀值自動鎖定功能。
        ● 準確的跳脫時間顯示。
        ● 可作相位選擇。
        ● 跳脫時的極性顯示。
        ● 可檢查設備接線的狀態
        ● 自動關機。
        ● 可作Line-Earth的電壓和頻率量測。
        ● CAT Ⅲ 240V
        規 格
        電流設定檔位 3mA, 5mA, 7mA, 10mA, 15mA, 20mA, 30mA,
        35mA, 50mA, 100mA, 125mA, 150mA, 175mA,
        250mA, 300mA, 375mA, 500mA.
        檔位選擇方式 旋鈕
        相位選擇 0°與180°
        過溫保護
        接線狀況指示 有(LED)
        極性指示
        操作電壓(L-E)
        50/60Hz
        1812 EL-A 240Vac
        1812 EL-B 230Vac
        1812 EL-C 220Vac
        1812 EL-D 110Vac
        電壓量測(L-E) 20Vac ~ 280Vac
        時間解析度 1微秒(Z長量測時間2.999秒)
        電流準確度 ±5% ±1mA
        電壓準確度 ±2%±1Vac
        操作溫濕度 -5°C-45°CZ大相對濕度80%
        儲存溫濕度 -10°C-55°CZ大相對濕度80%
        外形尺寸 170(長)×165(寬)×92(高)mm
        重量 約1020克(含電池)
        使用電池 1.5V(AA)乾電池×8(顆)
        LED正常指示:>7.5V

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