臺(tái)灣標(biāo)準(zhǔn)電機(jī)SEW儀器儀表--1811 EL ELCB Testers Up To 1000mA
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      1811 EL   ELCB Testers
      Up To 1000mA  
      1811 EL
      FEATURES
       
       2 Lines x 16 characters L.C.D.
       Very low consumption.
       Microprocessor controlled.
       Suitable for industrial applications.
       Battery than 3% accuracy (current).
       Menu Driven.
       Accurate digital readout of disconnection time.
       Accurate digital readout of disconnection sensitivity.
       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).
       CAT III 450V.
      SPECIFICATIONS
       
      Current Settings 0-999mAac/50Hz
      Current Selection Knob
      Phase Start Selection 0 degree and 180 degree Referenced to Earth Yes
      Operating Voltage (L-E) 110 Vac to 450 Vac
      Timer Resolution 1mS (max time = 99.999s)
      Timer Accuracy 1mS +/- 1mS
      Current Accuracy +/- 1% +/-1mA
      Current Resolution 1mA
      Voltmeter Accuracy (50Hz) 50-350 Vac = +/- 2% +/- 1V, 350-450 Vac =+/- 5% +/- 1V
      Voltmeter Resolution 1V
      Operating Temperature -5 degree C to 40 degree C
      Storage Temperature -10 degree C to 85 degrcc C
      Power Source 1.5V (AA) x 8 batteries, Bat OK Led Lit if > 7.5V
      Maximum Current Specified At 450 Vac/50Hz
      Dimensions 170(L) x 165(W) x 92(D) mm
      Weight Approx. 1180g (battery included)
      Accessories Test leads (TEL-1811)
      Shoulder belt (BET-1800)
      Instruction manual
      Batteries
      特 點(diǎn)
      ● 微處理器控制系統(tǒng)設(shè)計(jì)。
      ● 使用16字 x 2行的液晶顯示器。
      ● 電池能量低消耗。
      ● 操作程序逐次顯示。
      ● 適用於工業(yè)應(yīng)用設(shè)備。
      ● 準(zhǔn)確的跳脫時(shí)間顯示。
      ● 可作相位選擇。
      ● 準(zhǔn)確的跳脫感度顯示。
      ● 讀值自動(dòng)鎖定功能。
      ● 跳脫時(shí)的極性顯示。
      ● 自動(dòng)關(guān)機(jī)。

      CAT Ⅲ 450V

      規(guī) 格
      電流設(shè)定範(fàn)圍 0-999mA/50Hz
      電流選擇方式 旋鈕
      相位選擇 0°與180°
      過溫保護(hù)
      相位極性指示
      操作電壓 110V-450Vac
      時(shí)間解析度 1微秒(Z長測量時(shí)間99.999秒)
      電流解析度 1mA
      電壓測量準(zhǔn)確度
      (50HZ)
      50-350Vac ±2%±1V
      350-450Vac ±5%±1V
      操作溫濕度 -5°C ~ -40°C Z大相對溼度80%
      儲(chǔ)存溫濕度 -10°C ~ -55°C Z大相對濕度80%
      指定的Z大電流條件 450Vac/50Hz
      外形尺寸 170(長)×165(寬)×92(高)mm
      重量 約1180克(含電池)
      使用電池 1.5V(AA)×8(顆) LED正常指示:>7.5V