4120EREarthResistanceTestersCapableofmeasuringearthvoltage.2mAmeasuringcurrentpermitseathresistancetotestwithouttrippingearthleakagecurrentbreakersinthecircuit.Testleadsaresuppliedasstandardaccessoriesforsimplifiedtwo-wiremeasuringsystem.Dataholdfunction.Batteryoperated.Batterytestindicator.Calibrationperformedwithsuppliedtestleads.特點●可供量測接地電阻和接地電壓。●量測電流僅有2mA,不會影響漏電斷路器的跳脫。●可作三線式量測或兩線式量測。●量測數值鎖定。●電源不足顯示。●使用電池操作。●請使用提供的測試線測試。●通過歐洲安全規範驗証:EN61010-1CATIII300VIEC61557-1IEC61557-5EN61326-1規格量測檔位接地電阻:0-20Ω/0-200Ω/0-2000Ω接地電壓:0-200VAC(40-500Hz)準確度接地電阻:±(2%讀值+2位數)接地電壓:±(1%讀值+2位數)接地電阻解析度0-20Ω:0.01Ω0-200Ω:0.1Ω0-2000Ω:1Ω量測系列820Hz2mA定電流顯示器液晶顯示器(LCD)3位,最大顯示1999接線正確並作量測紅燈(LED)會亮著電量不足指示LCD上出現:符號數值鎖定指示LCD上出現:符號過載指示LCD上出現:1外形尺寸250(長)×190(寬)×110(高)mm重量約1500克(含電池)使用電池1.5V(AA)×8(顆)ST-1520EarthResistanceTestersMeasuringRangesEarthResistance:0-20Ohm/0-200Ohm/0-2000OhmEarthVoltage:0-200VAC(40-500Hz)AccuracyEarthResistance:+/-(2%rdg+2dgt)or+/-0.1Ohm,whichisgreaterEarthVoltage:+/-(1%rdg+2dgt)EarthResistanceResolution0-20Ohm(0.01Ohm)0-200Ohm(0.1Ohm)0-2000Ohm(1Ohm)MeasuringSystemEarthResistancebyconstantcurrentinverter820Hzapprox.2mALowBatteryIndication"B"symbolappearsonthediaplayDataHoldIndication"DH"symbolappearsonthedisplayOverRangeIndication"1"(MSD)OpenCircuitIndicationLEDwillbeunlitDisplayLCDLCD3-1/2digit(2000counts)PowerSource1.5V(SUM-3)x6TypeAADimensions163(L)x100(W)x50(D)mmWeightApprox.480g(batteryincluded)AccessoriesTestleads(AL-36:red-15m,yellow-10m,green-5m)AuxiliaryearthbarsHeavy-dutycaseInstructionmanual,batteries特點●量測接地電阻(Ω)和接地電壓(ACV)。●量測電流僅有2mA，不易造成漏電斷路器的跳脫。●同時按下"PUSHON"和"TIMERON"可作長時間的量測，約5分鐘後，自動關機，可避免浪費電源。●接線正確，在量測時紅燈(LED)會顯示。●數值鎖定功能。●方便使用、攜帶和保存。●使用電池操作。●通過歐洲安規檢測EN61010-1CATIII200VEN55022規格(23°C±5°C＜80%R.H.)量測檔位接地電阻:0~20Ω/0~200Ω/0~2000Ω接地電壓:0-200VAC(40-500Hz)準確度接地電阻:±(2%讀值+2位數)或±0.1Ω接地電壓:±(1%讀值+2位數)接地電阻解析度0-20Ω:0.01Ω