美国TREK520手持式静电电压测试仪应用:***或对象表面静电量测试，主要用于厂内静电产生情况的抽检Model520SeriesHAND-HELDElectrostaticVoltmeterTheModel520SeriesincludestheModel520andModel523.TheTREKModel520Hand-HeldElectrostaticVoltmeter(ESVM)Seriesproductsprovideaccurate,noncontactingmeasurementsofelectrostaticsurfacevoltageforESDapplicati***ineitherionizedornon-ionizedenvironments.Industrialapplicati***includemeasuringchargeaccumulationintheLCDmanufacturingprocessormeasuringstaticchargeinsemiconductorproduction.TheModel520seriesESVMsutilizeanewmeasurementtechniquethatovercomesthedisadvantageofthetypicalhand-heldfieldmeterbyprovidingsurfacevoltagemeasurementswhichareessentiallyindependentofthesensorprobe-to-measuredsurfacespacing.Model：520-1ESVMOveraspacingrangeof5mmto25mm,the520voltmeterprovidesbetterthana5%voltagemeasurementaccuracy,whilethetypicalfieldmeterprovidesavoltagemeasurementerrorinexcessof50%.Anoptionalvoltagemonitoroutputis***ailable(Model：520-2).Model523ESVMOveraspacingrangeof30mmto60mm,the523voltmeterprovidesgreaterthana5%voltagemeasurementaccuracy,whilethetypicalfieldmeterprovidesavoltagemeasurementerrorinexcessof50%.The520seriesprovidesameasurementsystemwhichcomplieswithstandardizedcalibrationequipmenttraceabletotheNationalInstituteofStanda***andTechnology.The520serieshand-heldvoltmetersemployaslendersensorprobedesignthatprovidesflexibilitytomakemeasurementsinmanylocati***whichareimpossibletoreachusingthelarge,bulkysensingsurfacesofthetypicalhand-heldfieldmeter.Theslenderdesignalsoallowsforhigherspatialresolutioncapabilitybyallowingthemeasurementof***allsurfaceareas.A"hold"pushbuttonretainsthedisplayedmeasuredvoltagevalueforrecordingpurposes.·Model：520MeasurementRange0to&plu***n;2kVDC.Model523MeasurementRange0to&plu***n;20kVDC.Model：520AccuracyESVMMonitor(Model：520-2)Betterthan&plu***n;5%offullscaleovertheentirerecommendedprobe-to-surfaceseparationrangeof5mmto25mm.Model523AccuracyBetterthan&plu***n;5%offullscaleovertheentirerecommendedprobe-to-surfaceseparationrangeof30mmto60mm.Model：520Probe-to-SurfaceSeparation(recommended)5mmto25mm.Model523Probe-to-SurfaceSeparation(recommended)30mmto60mm.StabilityDriftwithTimeLessthan600ppm/hour,noncumulative.DriftwithTemperatureLessthan600ppm/°C.)