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    臺(tái)灣標(biāo)準(zhǔn)電機(jī)SEW儀器儀表--2105 ER Earth Resistance Testers 3 Wire Analog

          
       
      2105 ER   Earth Resistance Testers
      3 Wire (Analog)  
      2105 ER
      FEATURES
       
       Capable of measuring earth voltage.
       2mA measuring current permits earth resistance tests with tripping earth leakage current breakers in the circuit under test.
       Test leads are supplied as standard accessories for simplified two-wire measuring system.
       Battery operated.
       Battery life indication.
       Designed to meet CAT III 30V.
       Calibration performed with supplied test leads.
      SPECIFICATIONS
       
      Measuring Ranges Earth Resistance : 0-12 Ohm/0-120 Ohm/0-1200 Ohm
      Earth Voltage : 0-30V AC (40-500Hz)
      Accuracy Earth Resistance : +/- 3% of full scale
      Earth Voltage : +/- 2.5% of full scale
      Measuring System Earth resistance by constant current inverter (Square Signal) 820 Hz approx. 2mA
      Power Source 1.5 V SUM-3 (R6P) x 8 or equivalent
      Dimensions 210(L) x 210(W) x 100(D) mm
      Weight Approx. 1370g (battery included)
      Accessories Test leads (AL-36 : red-15m, yellow-10m, green-5m)
      Auxiliary earth spikes
      Shoulder belt
      Instruction manual
      batteries
      特 點(diǎn)
      ● 吊線式高品質(zhì)防震錶頭。
      ● 可量測(cè)接地電阻(Ω)和接地電壓(ACV)。
      ● 量測(cè)電流僅有2mA，不會(huì)影響漏電斷路器的跳脫。
      ● 可作三線式量測(cè)或兩線式量測(cè)。
      ● 電池電量指示。
      ● 使用電池操作。
      ● 請(qǐng)使用提供的測(cè)試線測(cè)試
      ● 通過歐洲安全規(guī)範(fàn)驗(yàn)證:
      EN 61010-1 CAT III 150V
      EN61326-1
      規(guī) 格 (23°C±5°C ＜80%R.H.)
      量測(cè)檔位 接地電阻 : 0-12Ω / 0-120Ω / 0-1200Ω
      接地電壓 : 0-30V AC(40-500Hz)
      準(zhǔn)確度 接地電阻 : ±3%滿刻度
      接地電壓 : ±2.5%滿刻度
      量測(cè)系列 820Hz 2mA定電流
      接線正確(量測(cè)接地電阻) 紅燈(LED)會(huì)亮著
      外形尺寸 210(長(zhǎng))×210(寬)×100(高)mm
      重量 約1370公克(含電池)
      使用電池 1.5V(AA)×8(顆)