Electrochemical Migration Evaluation System AMI-U (English)


>> P.15

ChannelcongurationChannelcontrolMeasurementvoltageResistancemeasurementrangeResistancemeasurementaccuracyStressvoltagecontrolfunctionNo.ofmeasurementinstrumentExternaldimensionsHigh-voltagespecication25to150chperrack5ch/25ch50to1000VDC/50to2500VDC*Forvoltageshigherthan2500V,pleaseconsultwithus.(50to200V:0.1Vincrements,200to2500V:1Vincrements)1x105to1x1013Ωorhigher(whenapplying100V)1x106to1x1014Ωorhigher(whenapplying1000V)2.5x106to2.5x1014Ωorhigher(whenapplying2500V)Measuredresistanceaccuracywhen1000Visappliedtoa10TΩresistor:±4%*1(Measurementsfrom96to104pAarepossibleforatruecurrentof100pA.)Measuredresistanceaccuracywhen2500Visappliedtoa10TΩresistor:±4%*1(Measurementsfrom240to260pAarepossibleforatruecurrentof250pA.)Steprisewithaonesecondwaitevery100V(SeeFig.1below.)1Cabinet:Connectionunit:W500xH1705xD600mm(50ch/unit)W530xH1750xD1040mm14Elapsedtime[sec]Elapsedtime[sec]●Stressvoltage(Fig.1)VoltageincreaseVoltagedecreaseVoltage[V]Voltage[V]VARIOUSSAFETYFUNCTIONS●Electricshockpreventionindicatorlamp(whenhighvoltageisbeingapplied)●OvershootpreventionWhenstressvoltageisincreasing,aonesecondwaitisaddedevery100Vduringrisecontrol.●Thehigh-voltageconnectionunitcontainsastresspower-siderelayandnoisepreventioncircuit.●ElectricshockpreventionArelayisalsoaddedforeachindividualchannelonthesamplestresspowersupplyside(positivevoltage).Voltageisreliablyshutoffwhenatestisnotinprogress,oraftertestingofanindividualchannelends.●Inordertopreventoperatorelectricshock,thevoltagedropsimmediatelytoasafevoltagewhenthetestendsorwhenthechambercoverisremovedorthechamberdoorisopened.*1Thisisthevaluefromconnectionunittomeasurementcableend(2m).Whentheextensioncableoptionwasselected,theguaranteedvaluesaredifferent.:Roomtemperature(23±5°C):60%rhorless:Long:Auto:1000:4:60AmbienttemperatureAmbienthumidityMeasurementmodeMeasurementrangeMeasurementvoltage[V]AveragingcountChargetime[sec][Testconditions]CustomSpecification1000/2500Vstressvoltagemodifications


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