臺(tái)灣標(biāo)準(zhǔn)電機(jī)SEW儀器儀表--1105 ER Earth Resistance Testers 3 Wire Analog
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    1105 ER   Earth Resistance Testers
    3 Wire (Analog)    
    1105 ER
    FEATURES
     
     Capable of measuring earth voltage.
     2mA measuring current permits the testing of earth resistance without tripping eath leakage current breakers in the circuit under test.
     In addition to faciliating for precision measurement, test leads for simplified two-wire measuring system also are supplied as standard accessories.
     Battery operated.
     Battery life indicator.
     
     EN 61326-1 safety standard.
     Calibration performed with supplied test leads.
    SPECIFICATIONS
     
    Measuring Ranges Earth Resistance:
    0~12Ohm / 0~120Ohm / 0~1200Ohm
    Earth Resistivity:
    0-30V ac (40-500Hz)
    Accuracy Earth Resistance:
    +/-3% of full scale
    Earth Voltage:
    +/-2.5% of full scale
    Measurment System Earth resistance by constant current inverter(Sauare Signal) 820Hz approx. 2mA
    Power Source 1.5V (AA) x 8 or equivalent
    Dimensions 175(L) x 85(W) x 75(D)mm
    Weight Approx. 600g (battery included)
    Accessories Test leads (AL-36: red-15m, yellow-10m, green-5m)
    Simplified measurement probe. (AL-33)
    Auxiliary earth spikes
    Shoulder belt
    Instruction manual
    Batteries
    特 點(diǎn)
    ● 可量測接地電阻(0-1200Ω)和接地電壓(0-30VAC)。
    ● 量測電流僅有2mA,不易造成漏電斷路器的跳脫。
    ● 提供標(biāo)準(zhǔn)的三線式測試線和簡易測試線。
    ● 電池電量指示, 可檢查電池電力是否足夠(GOOD)。
    規(guī) 格 (23°C±5°C <80%R.H.)
    量測檔位 接地電阻 : 0-12Ω / 0-120Ω / 0-1200Ω
    接地電壓 : 0~30VAC(40-500Hz)
    準(zhǔn)確度 接地電阻 : ±3%滿刻度
    接地電壓 : ±2.5%滿刻度
    量測系統(tǒng) 820Hz 2mA 定電流
    測試連結(jié)開路 LED不會(huì)點(diǎn)亮
    外形尺寸 175(長)×85(寬)×75(高)mm
    重量 約600克(含電池)
    使用電池 1.5V(AA)×8(顆)