MagnetpermeabilitymeterFerromaster.docx
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MagnetpermeabilitymeterFerromaster.docx
MagnetpermeabilitymeterFerromaster英文资料介绍二青岛浩正科仪智能二15763931258二中文资料联系索取MeasuringdevicetodeterminetherelativemagneticpermeabilityrParamagneticmaterialsuptopermeabilityr=2WiththeMagnetpermeabilitymeterList-MagnetikFerromasteryoucaneasilydeterminetherelativemagneticpermeabilityroffeeblymagneticmaterialsandworkpieceswithapermeabilitybetween1.001and1.999.Thepermeabilityismeasuredbytouchingtheworkpiecewiththeprobetipandreadingtheresultfromthedisplay.Themagneticpermeabilityormagneticconductivitymakesastatementastohowstrongamaterialismagnetizable.TestingofstainlesssteelandotherlowmagneticmaterialsTypicalapplicationsare:non-destructivetestingofmaterials,e.g.qualitycontrolofstainlesssteel,materialselectionforelectron-/ion-beamequipment,detectionofmaterialdefectsinducedbymechanicalorthermalstress.Standard-compliantpermeabilitymeasurementsaccordingtoASTMA342TestMethod4,EN60404-15Procedure6andVG95578canbecarriedoutwiththeFerromaster.ASTMA342TestMethod4,EN60404-15Method6andVG95578Theprobeheadcontainsapermanentmagnetthatmagnetizesthesampleneartheprobetip.Twosensitivemagneticfieldsensorsindifferentialcircuitmeasurethefielddistortionscausedbythemagnetizationofthesample.ThedeviceiscalibratedtopreciselycalibratedreferencestandardsfromtheNationalPhysicalLaboratory(NPL,Teddington,UK).Recalibrationiseasy.Acalibrationstandardisincludedwitheverydevice.Asaspecialfeature,theFerromasterisequippedwitharobust,waterproofhand-heldhousing(protectionclassIP65)andisthereforeidealforuseinharshindustrialenvironments.Thebuilt-inbatteryenablesapprox.50hoursofoperation.Themagneticpermeabilityofamaterialgenerallydependsheavilyonthestrengthandfrequencyofthemagnetizingfield.TheprobeheadoftheFerromastercontainsapermanentmagnetthatgeneratesaconstantmagneticfieldofaround35kA/matthetestprobe.Ferromasterworkswithasaturationcoreand2alternatingfieldcoilsaccordingtothefluxgateprincipleandcanmeasurepermeabilitiesinthemeasuringrangebetween1.000and2.000.Abovethismeasuringrange,thesaturationcoresaretoosaturatedandnolongerresultinalinearmeasurement.Themeasuredvalueofthepermeabilitydependsonthedimensionsofsmallsamples.Thesensitivityofthedevicetakesz.B.withthethicknessofthesample.Fromasamplethicknessofaround5mmandalateralextentofaround2cm,themeasurementisindependentofthesize.TechnicalDataMagnetpermeabilitymeterFerromasterMeasurementrange:r=1.000to1.999Resolution:0.001Display:LCD3½digitsZeroing:automaticallyAccuracyat20:(r-1)x5%Operatingtemperature:0to50Fieldstrengthatprobetip:35kA/mMinimummeasurementsamplesize:20x20x8mm(LxWxH)Powersupply:9VPP3batteryOperationtime:50hEnvironmentalprotection:IP65Standards:PermeabilitymeasurementcompliantwithASTMA342andEN60404-15Traceability:CalibratedtoreferencestandardsofNationalPhysicalLaboratory,UKDimensionsofunit:151mmX82mmX33mmLengthofprobe:35mmDiameterofprobe:19mmLengthofconnectioncable:1.5mWeightofcompleteinstrument:280g
