veryhighoverloadresistanceinsensitivetointerferencebymagneticandelectricfieldsmultiplehousingopti***lightweightlinearfrequencyresp***ewithlittleornoresonantpeakatuppercut-offfrequencylownon-linearity***alllowercut-offfrequencyhighsignal-to-noiseratiohermeticallysealedlowtransversesensitivityhighlong-termstabilityintegratedsensorelectronicslowoutputimpedancelongconnectionlinespossibleDescriptionThedynamicaccelerometersBDK3,BDK10,andBDK100arecapacitivespring-massaccelerometerswithintegratedsensorelectronics.Resonantpeaksareminimizedbydynamicgasdampingintheprimarytransformer.Thesensorelectronicsrequireonlyminimalpowerandareinconjunctionwiththecapacitiveprimarytransformercharacterizedbylowerrorandhighlong-termstability.ApplicationTheaccelerometersBDK3,BDK10,andBDK100areusedforapplicati***requiringhighoverloadresistance,highlong-termstability,***alllowercut-offfrequency,lightweightandlowpowerc***umption.Typicalapplicati***include:measurementsonvehicles,machinery,buildingsandplantsforprocesscontrolanderrordiagnosissei***icmeasurementsvibrationmeasurementssafetyengineeringdynamicmeasurementofpositionandvelocityTechnicalSpecificati***TypeBDK3BDK10BDK100Measuringrange&plu***n;3g(ca.&plu***n;30m/s2)&plu***n;10g(ca.&plu***n;100m/s2)&plu***n;100g(ca.&plu***n;1000m/s2)Resolution<10-3g<5·10-3g<5·10-2gFrequencyrange1....300Hz1....800Hz1....1500HzSensitivityatUb=5Voltappr.150mV/gappr.60mV/gappr.15mV/gTemperaturedriftofsensitivity<+6·10-2%/KTemperaturedriftofzeropoint<0.1mV/KZerooffset(2.5&plu***n;0.1)Volt-generally:0.5Ub&plu***n;4%Outputimpedanceapprox.100OhmLinearitydeviation<1%Transversesensitivity<1%Mechanicaloverloadresistanceindirectionofmeasurementapprox.10000g(appr.100000m/s2)!Nominalsupplyvoltage(regulated)UbN=5VoltPermissiblesupplyvoltagerangeUbz=2V...16VCurrentdrawnatUb=5Vapprox.2mADegreeofprotectionIP65Operatingtemperature-40°C...+85°CStoragetemperature-45°C...+90°CWeightinstainlesssteelhousingwiththreadwithoutcableapprox.17GrammWeightin***allhousingwithoutcableapprox.7GrammStandardelectricalconnection3highlyflexible,color-codedwires?1mmlengthapprox.18cm(speciallengthsonrequest)Alternativeelectricalconnectionforsensorsinstainlesssteelhousing0.5mstrong,flexible,shieldedcable,2wires+shield,?2.1mm(speciallengthsonrequest)onrequest:Specialdesignforverylowpowerc***umtionupto30μANB3Inclinometerforinclinationmeasurementintherangeof&plu***n;10degrees[+]SEIKAfrontpageprintversion(pdf)Featureslinearoutputcharacteristicshighmeasurementaccuracyhighlong-termstabilityhysteresisfreeoutputsignalminimalzeropointdriftintegratedsensorelectronicslowpowerc***umption***allhousinglightweightdifferentoutputsignalopti***nointerferencebyambientelectromagneticfieldsminimaltransversesensitivityoverwholemeasuringrange!hermeticallysealedDescriptionTheinclinometerNB3isastaticaccelerometerpreferablyemployedformeasuring***allinclinati***.Thesensor'sprimarytransformerc***istsofacapacitivespring-masssystemwithgas-dynamicdamping.ThesensorismanufacturedeitherwithananalogDCorapulsewidthmodulatedoutput.Theintegratedsensorelectronicsrequireonlyminimalpowerandareinconjunctionwiththecapacitiveprimarytransformercharacterizedbyhighaccuracyandlong-termstability.ApplicationTheNB3issuitableforapplicati***requiringa***all,lightsensorformeasurementofrelatively***allinclinationangles.Typicalareasofapplicationincludemeasuringinstrumentsandinspectionsystems,vehicles,automationandsafetyengineering,scientificdevices,medicalandcommunicati***equipmentaswellaslevelingsystems.TechnicalSpecificati***NB3Dimensi***seedimensiondrawingMeasuringrange&plu***n;10degreesDisplayrange&plu***n;20degreesResolution<0,001degreesLinearitydeviation<0,2%F.S.TransversesensitivitynegligibleSettlingtimeapprox.0.3seconds(shortertimesoptional)Supplyvoltage(regulated)Ub5VPermissiblesupplyvoltagerange3V...6VCurrentdrawnatUb=5Vapprox.1mADegreeofprotectionIP65Operatingtemperature-40bis+85°C(125°Coptional)Storagetemperature-45bis+90°C(125°Coptional)Weightwithoutcableapprox.25gramsElectricalconnection3highlyflexiblewires?approx.1mm,length18cmoptional:0,5mshieldedcable?2,1mm3flexibleTeflon-coatedwiresValuesforanalogDCoutputatUbN=5VoltSensitivityapprox.17mV/degreeTemperaturedriftofsensitivity<+1·10-2%/KTemperaturedriftofzeropoint<&plu***n;0,025mV/KZerooffsetatUb=5V2,5&plu***n;0,1Volt-generally:0,5Ub&plu***n;4%Outputimpedance10kOhmonrequest:PWM-outputNA2-05,NA2-10,NA3-30,NA4-45,NA4-70Inclinometerswithintegrated0...5Voltsignalconditionerforinclinationmeasurementintherangesof&plu***n;5,&plu***n;10,&plu***n;30,&plu***n;45,&plu***n;70degrees[+]SEIKAfrontpageprintversion(pdf)Features***allsizelightweightlinearoutputresp***ehighmeasurementaccuracy***allzerodrift***allcrosssensitivityhighlongtermstability-virtuallyinfinitelifespanhysteresis-freeoutputsignalintegratedsensorelectronicsincludingsignalconditionerandlow-passfilternodatamemorywithmemorylosstemperaturecompensated,conditioned0...5Voutputsignalhighlystableinternalvoltageregulationoptional5Voltreferencevoltageoutputunconditionedoperatingvoltagebetween9Vand30Vlowpowerc***umptionprotectionagainstreversesupplyvoltagepolarityEMCcertifiedCEcertifiednointerferencebysurroundingelectromagneticfieldsshockproofaswithoutmovingmechanicalpartshermeticallysealedsensorelectricallyisolatedfrompointofmeasurementbyhighqualityplastichousing–nogroundconnectionzeropointadjustablethrough360°usingclampingringDescription)