Thecapacitive,dielectricliquidbasedinclinometersNA2-05,NA2-10,NA3-30,NA4-45andNA4-70containnewsensorelectronics.Thesearemadeupofahighlystable,laser-trimmedsignalconditionerwithelectroniccompensationfortemperaturedrift,highlystablesupplyvoltageregulationcircuitryandlow-passfilteringofthemeasurementsignaltoeliminateunwantednoise.Thecapacitivemeasurementprincipleguaranteesaverystable,linearrelati***hipbetweentheinclinationbeingmeasuredandthenormalisedoutputsignal.Thesensorelectronicsrequireminimalpowerand,togetherwiththecapacitiveprimarytransformer,arecharacterisedbylowerrors,highsignal-to-noiseratioandhighlong-termstability.Contrarytomeasuringinclinati***usingaccelerometers,thismeasurementprincipleenablesalinearrelati***hipbetweentheinclinationtobemeasuredandtheoutputsignal,independentofthec***tantofgr***ityattheplaceofmeasurement,i.e.Independentlyofwherethemeasurementistakingplace,whetherinEurope,Australia,onMountEverestortheMoon.ApplicationTheNA2,NA3andNA4canbeusedformeasurementsrequiring***allandlightdevices,replacability,measurementofrelativelylargeinclinati***andanormalised,analoguevoltageoutputsignal.Measurementsofinclinati***inmeasuringinstrumentsandinspectionequipment,inwater,landandairvehicles,inautomationandsafetytechnology,oncranesandliftingequipment,onrobots,inthemanufactureofscientificequipment,inmedicineandtelecommunicationaswellasn***igationsystemsaretypicalexamples.SharedTechnicalSpecificati***Supplyvoltage1)9V…30VDCDimensi***seedimensiondrawingCurrentdrawnca.2mAReferencevoltageoutput3)5,00VoltExternallyregulatedsupplyvoltage2)5VoltTemperaturedriftofthereferencevoltage<25ppm/KCurrentdrawnwithexternalsupplyvoltage5Vapprox.1mAMaximumcurrentofthereferencevoltageoutput5mAMaximumOperatingTemperature+85°COutputresistanceca.100OhmMinimumOperatingTemperature-40°CProtectionIP65MaximumStorageTemperature+90°CWeight(Sensorexcludingmountingringandcable)18,5gMinimumStorageTemperature-55°CEnviromentHumiditi0…100%r.F.Signal-to-noiseratioatsignaloutput(0…10kHz)<150μVssElectricalsignal-to-noiseratio>85dBTransversesensitivityat45°tilt<1%ofmeasure-mentvalueVoltageOffset(atCerodegreetilt)2,5VoltSettlingtime(to98%oftheactualvalue)<0,3sMaximumoutputvoltagerange0.05V...4.95VTerminals3(4)highlyflexiblecables,?ca.1mm,length18cmoptionally:shieldedcable?2,1mmNotes:1)Standardsupplyvoltage2)optionalexternallyregulatedsupplyvoltage3)referencevoltageoutput(+5,00V)onlyoptionallyconnected(forwireterminalsonly)Eachsensorwillbedeliveredwithindividualcalibrationdates(offset,sensitivity)andcalibrationrecord.TechnicalSpecificati***oftypesNA2-05andNA2-10TypNA2-05NA2-10Measuringrange&plu***n;5degrees&plu***n;10degreesResolution<0,001degrees<0,002degreesNominalsensitivity400mV/degree200mV/degreeOutputvoltagerange2,5V&plu***n;2Vat&plu***n;5°2,5V&plu***n;2Vat&plu***n;10°Linearitydeviationoverwholemeasurementrange<&plu***n;0,02degrees<&plu***n;0,03degreessensitivityshiftoveratemperaturerange-25°C...85°C<2%<2%Temperaturedriftofzeropoint&plu***n;0,002degrees/Kelvin&plu***n;0,002degrees/KelvinTechnicalSpecificati***oftypesNA3-30,NA4-45andNA4-70TypNA3-30NA4-45NA4-70Measuringrange&plu***n;30degrees&plu***n;45degrees&plu***n;70degreesResolution<0,005degrees<0,01degrees<0,01degreesNominalsensitivity66,6..mV/degree44,4..mV/degree28,57mV/degreeOutputvoltagerange2,5V&plu***n;2Vat&plu***n;30°2,5V&plu***n;2Vat&plu***n;45°2,5V&plu***n;2Vat&plu***n;70°Linearitydeviationoverwholemeasurementrange<0,06degrees<0,14degrees<0,28degreessensitivityshiftoveratemperaturerange-25°C...85°C<2%<2%<2%Temperaturedriftofzeropoint&plu***n;0,002deg/Kelvin&plu***n;0,003deg/Kelvin&plu***n;0,003deg/KelvinDimensi***andConnecti***N2,N3,N4***allInclinometersforinclinationmeasurementintherangesof&plu***n;10,&plu***n;30and&plu***n;70degrees.[+]SEIKAfrontpageprintversion(pdf)Featureslinearoutputcharacteristicshighmeasurementaccuracyhighlong-termstabilityhysteresisfreeoutputsignalminimalzeropointdriftintegratedsensorelectronicslowpowerc***umption***allhousinglightweightdifferentoutputsignalopti***nointerferencebyambientelectromagneticfieldsshockproofaswithoutmovingmechanicalpartshermeticallysealedsensorelectricallyisolatedfrompointofmeasurementusinghighqualityplastichousing-nogroundconnecti***zeropointadjustablethrough360°usingclampingringDescriptionTheN2,N3andN4arecapacitive,liquidbasedinclinometerswithintegratedsensorelectronics.TheyaremanufacturedwithananalogDCoutput.Thesensorelectronicsrequireonlyminimalpowerandareinconjunctionwiththecapacitiveprimarytransformercharacterizedbyhighaccuracy,ahighsignal-to-noiseratioandhighlong-termstability.Themeasurementtechniqueenablesalinearrelati***hipbetweentheangletobemeasuredandtheoutputsignal.Thedeterminedangleisindependentofthelocalgr***itationalacceleration,thatmeansthatnomatterwherethemeasurementisbeingtaken,whetherinEurope,Australia,onMountEverestoronthemoon,theinclinationwillbemeasuredcorrectlyanywhere.ApplicationTheinclinometersN2,N3andN4aresuitableforapplicati***requiringa***all,lightsensorformeasurementofrelativelylargeinclinati***.Typicalareasofapplicationincludemeasuringinstrumentsandinspectionsystems,vehicles,automationandsafetyengineering,scientificdevices,medicalandcommunicati***equipmentaswellasn***igationalsystems.TechnicalSpecificati***TypeN2N3N4Measuringrange&plu***n;10degrees&plu***n;30degrees&plu***n;70degreesResolution<0,002degrees<0,005degrees<0,01degreesLinearitydeviation0,2%ofmeasuringrangeTransversesensitivity<1%at30°tiltSettlingtime<0,3secondsSupplyvoltageUb(regulated)5VoltPermissiblesupplyvoltagerangeUbz3V...6VMechanicaloverloadresistance10000g(approx.100000m/s2)CurrentdrawnatUb=5Vapprox.1mADegreeofprotectionIP65Operatingtemperature-40°C...+85°CLagertemperatur-45°C...+90°CWeight(inmetalhousingwithoutcable)18,5gramsStandardelectricalconnection3highlyflexible,color-codedwires?1mm,lengthapprox.18cm(speciallengthsonrequest)Alternativeelectricalconnection0,5mstrong,flexible,shieldedcable?2,1mm(speciallengthsonrequest)3flexible,color-codedwireswithTefloninsulationforextendedtemperaturerangeValuesforanalogDCoutputatUbN=5VoltSensitivityapprox.12mV/degreeapprox.6mV/degreeapprox.3.6mV/degreeTemperaturedriftofsensitivity-0,17%/K-0,12%/KTemperaturedriftofzeropoint<&plu***n;0,05mV/K<&plu***n;0,025mV/KZerooffsetatUb=5V(2,5&plu***n;0,1)Volt-generally:0,5Ub&plu***n;4%Outputimpedance10kOhmOnrequest:PWM-outputEachsensorwillbedeliveredwithindividualcalibrationdates(offsetandsensitivity)Dimensi***(inmm)andConnecti***N2,N3,N4***allInclinometersforinclinationmeasurementintherangesof&plu***n;10,&plu***n;30and&plu***n;70degrees.[+]SEIKAfrontpageprintversion(pdf)Featureslinearoutputcharacteristicshighmeasurementaccuracyhighlong-termstabilityhysteresisfreeoutputsignalminimalzeropointdriftintegratedsensorelectronicslowpowerc***umption***allhousinglightweightdifferentoutputsignalopti***nointerferencebyambientelectromagneticfieldsshockproofaswithoutmovingmechanicalpartshermeticallysealedsensorelectricallyisolatedfrompointofmeasurementusinghighqualityplastichousing-nogroundconnecti***zeropointadjustablethrough360°usingclampingringDescriptionTheN2,N3andN4arecapacitive,liquidbasedinclinometerswithintegratedsensorelectronics.TheyaremanufacturedwithananalogDCoutput.Thesensorelectronicsrequireonlyminimalpowerandareinconjunctionwiththecapacitiveprimarytransformercharacterizedbyhighaccuracy,ahighsignal-to-noiseratioandhighlong-termstability.Themeasurementtechniqueenablesalinearrelati***hipbetweentheangletobemeasuredandtheoutputsignal.Thedeterminedangleisindependentofthelocalgr***itationalacceleration,thatmeansthatnomatterwherethemeasurementisbeingtaken,whetherinEurope,Australia,onMountEverestoronthemoon,theinclinationwillbemeasuredcorrectlyanywhere.ApplicationTheinclinometersN2,N3andN4aresuitableforapplicati***requiringa***all,lightsensorformeasurementofrelativelylargeinclinati***.Typicalareasofapplicationincludemeasuringinstrumentsandinspectionsystems,vehicles,automationandsafetyengineering,scientificdevices,medicalandcommunicati***equipmentaswellasn***igationalsystems.TechnicalSpecificati***TypeN2N3N4Measuringrange&plu***n;10degrees&plu***n;30degrees&plu***n;70degreesResolution<0,002degrees<0,005degrees<0,01degreesLinearitydeviation0,2%ofmeasuringrangeTransversesensitivity<1%at30°tiltSettlingtime<0,3secondsSupplyvoltageUb(regulated)5VoltPermissiblesupplyvoltagerangeUbz3V...6VMechanicaloverloadresistance10000g(approx.100000m/s2)CurrentdrawnatUb=5Vapprox.1mADegreeofprotectionIP65Operatingtemperature-40°C...+85°CLagertemperatur-45°C...+90°CWeight(inmetalhousingwithoutcable)18,5gramsStandardelectricalconnection3highlyflexible,color-codedwires?1mm,lengthapprox.18cm(speciallengthsonrequest)Alternativeelectricalconnection0,5mstrong,flexible,shieldedcable?2,1mm(speciallengthsonrequest)3flexible,color-codedwireswithTefloninsulationforextendedtemperaturerangeValuesforanalogDCoutputatUbN=5VoltSensitivityapprox.12mV/degreeapprox.6mV/degreeapprox.3.6mV/degreeTemperaturedriftofsensitivity-0,17%/K-0,12%/KTemperaturedriftofzeropoint<&plu***n;0,05mV/K<&plu***n;0,025mV/KZerooffsetatUb=5V(2,5&plu***n;0,1)Volt-generally:0,5Ub&plu***n;4%Outputimpedance10kOhmOnrequest:PWM-outputEachsensorwillbedeliveredwithindividualcalibrationdates(offsetandsensitivity)NG2,NG3,NG4Inclinometersofhighmeasuringaccuracyforinclinationmeasurementintherangesof&plu***n;10,&plu***n;30and&plu***n;80degreeswithanon-amplified,non-conditionedoutputsignal.B_Sensor[+]SEIKAfrontpageprintversion(pdf)Featureslinearoutputcharacteristicshighmeasurementaccuracyminimallinearitydeviationhighlong-termstabilityhysteresisfreeoutputsignalminimalzeropointdriftintegratedsensorelectronicslowpowerc***umptiondifferentoutputsignalopti***nointerferencebyambientelectromagneticfieldsshockproofaswithoutmovingmechanicalpartshermeticallysealedsensorelectricallyisolatedwithinthehousingfrompointofmeasurement-nogroundconnecti***zeropointadjustablethrough360°usingclampingringDescriptionTheNG2,NG3andNG4arecapacitive,liquidbasedinclinometerswithintegratedsensorelectronics.TheyaremanufacturedwithananalogDCoutput.Thesensorelectronicsrequireonlyminimalpowerandareinconjunctionwiththecapacitiveprimarytransformercharacterizedbyhighaccuracyandhighlong-termstability.Themeasurementtechniqueenablesalinearrelati***hipbetweentheangletobemeasuredandtheoutputsignal.Thedeterminedangleisindependentofthelocalgr***itationalacceleration,thatmeansthatnomatterwherethemeasurementisbeingtaken,whetherinEurope,Australia,onMountEverestoronthemoon,theinclinationwillbemeasuredcorrectlyanywhere.ApplicationTheinclinometersNG2,NG3andNG4aresuitableforapplicati***requiringhighmeasurementaccuracywithlowlinearitydeviati***andhighlong-termstabilityformeasurementofrelativelylargeinclinationangles.Typicalareasofapplicationincludec***truction,mining,vehicles,surveyingequipment,aircraft,transportationandconveyorsystemsaswellasships.TechnicalSpecificati***TypNG2NG3NG4Measuringrange&plu***n;10degrees&plu***n;30degrees&plu***n;80degreesResolution<0.001degrees<0.003degrees<0.01degreesLinearitydeviation<0.1%ofmeasuringrangeTransversesensitivity<0.5%at45°tiltSettlingtimeapprox.0.3secondsMechanicaloverloadresistance10000g(approx.100000m/s2)SupplyvoltageUbN(regulated)5VPermissiblesupplyvoltagerangeUbz3V...6VCurrentdrawnatUb=5Vapprox.1mADegreeofprotectionIP65Operatingtemperature-40°C...+85°CStoragetemperature-45°C...+90°CWeight(withoutclampingringorcable)approx.110gramsElectricalconnection0.5mshieldedcable?4.6mmValuesforanalogDCoutputatUbN=5VoltSensitivityapprox.10mV/degreeapprox.7mV/degreeapprox.4.5mV/degreeTemperaturedriftofsensitivity<-0.12%/KTemperaturedriftofzeropoint<0.01mV/KZerooffsetatUb=5V(2,5&plu***n;0,1)Volt-generally:0,5Ub&plu***n;4%Outputimpedance10kOhmDimensi***(inmm)andConnecti***NG2I,NG3I,NG4IInclinometersofhighmeasurementaccuracywithanintegrated4...20mAsignalconditionerforinclinationmeasurementintherangesof&plu***n;10,&plu***n;30and&plu***n;80degreesB_Sensor[+]SEIKAfrontpageprintversion(pdf)Featuresintegratedsensorelectronicsincludingsignalconditionertemperaturecompensated,normalized4...20mAoutputsignal2-wireconnection-sensorpowerobtainedfromcurrentlooplinearoutputcharacteristicshighmeasurementaccuracyminimallinearitydeviationhighlong-termstabilityhysteresisfreeoutputsignalnointerferencebyambientelectromagneticfieldsshockproofaswithoutmovingmechanicalpartshermeticallysealedsensorelectricallyisolatedfrompointofmeasurement-nogroundconnectionzeropointadjustablethrough360°usingclampingringloopcurrentlimitationEMCcertifiedDescriptionTheNG2I,NG3IandNG4Iarecapacitiveandliquidbasedinclinometerswithintegratedsensorelectronicsandcurrentamplifier.Electronictemperaturecompensationmakesupforthetemperaturedriftofthesensitivityoftheprimarytransformer.Anintegrated,highlystablevoltageregulatorensuresstableoperationforarangeofsupplyvoltages.Themeasurementtechniqueprovidesalinearrelati***hipbetweentheangletobemeasured(upto80degreesfortheNG4I)andtheoutputsignalthatiscalibratedduringmanufacture.Themeasuringtimec***tantcanbematchedtotherequirementsofthemeasurementtaskbyappropriateha***areprogramming.Thepowerisobtainedfromthemeasurementcurrentloop,therebyeliminatingtheneedforaseparatepowersupplyandenablingoperationwithtwowireconnection.ApplicationTheNG2I,NG3IandNG4Iaresuitableforapplicati***requiringhighmeasurementaccuracywithhighlinearityandtemperaturestabilityaswellashighlong-termstabilityformeasurementoflargeinclinationanglesandforwhichthepoweristobesuppliedviaa4...20mAcurrentloopwithouttheneedforaseparatesupplyvoltage.WerecommendthesensorboxSB1IwithanintegratedNG-inclinometeranda4...20mAoutputsignalforoperationinespeciallyharshoperatingconditi***.Theseinclinometersaretypicallyusedinc***truction,mining,vehicles,aircraft,ships,transportationandconveyorsystemsandprocesscontrolaswellasforsafetyengineering.TechnicalSpecificati***TypeNG2ING3ING4IMeasuringrange&plu***n;10degrees&plu***n;30degrees&plu***n;80degreesResolution<0.001degrees<0.003degrees<0.01degreesStandardizedsensitivity(otherstandardizati***onrequest)0.8mA/degree0.266mA/degree0.1mA/degreeLinearitydeviation<1·10-3F.S.Transversesensitivity<0.5%at45°tiltSettlingtimeapprox.0.3seconds(1s,2sor3soptional)Temperaturedriftofsensitivityapprox.&plu***n;0.01%/KTemperaturedriftofzeropointapprox.&plu***n;10-3degrees/KTerminalvoltage10V...30Veitherpolarity!Outputcurrentoffsetforsensorzeroposition12mADegreeofprotectionIP65Operatingtemperature-40°C...+85°CLagertemperatur-45°C...+90°CWeight(withoutclampingringorcable)approx.110gramsStandardelectricalconnection0.5mcable?4.6mm,2-wiresdifferentcablelengthsoptionalEachsensorwillbedeliveredwithindividualcalibrationdates(offset,sensitivity)andcalibrationrecord.Onrequest:specialranges,specialEMC-rules.NG2U,NG3U,NG4UInclinometersofhighmeasuringaccuracywithanintegrated0...5Voltsignalconditionerforinclinationmeasurementintherangesof&plu***n;10,&plu***n;30and&plu***n;80degreesB_Sensor[+]SEIKAfrontpageprintversion(pdf)Featurestemperaturecompensated,normalized0...5Voutputsignalnon-regulatedsupplyvoltageinrangeof9V...30Vintegratedsensorelectronicsincludingsignalconditionerlinearoutputcharacteristicshighmeasurementaccuracyminimallinearitydeviationhighlong-termstabilityhysteresisfreeoutputsignalnointerferencebyambientelectromagneticfieldsshockproofaswithoutmovingmechanicalpartshermeticallysealedsensorelectricallyisolatedfrompointofmeasurement-nogroundconnecti***zeropointadjustablethrough360°usingclampingringEMCcertifiedDescriptionTheNG2U,NG3UandNG4Uarecapacitive,liquidbasedinclinometerswithintegratedsensorelectronicsandsignalconditioner.Electronictemperaturecompensationmakesupforthetemperaturedriftofthesensitivityoftheprimarytransformer.Anintegrated,highlystablevoltageregulatorensuresstableoperationforarangeofsupplyvoltages.Themeasurementtechniqueprovidesalinearrelati***hipbetweentheangletobemeasured(upto(80degreesfortheNG4U)andtheoutputsignalthatiscalibratedduringmanufacture.Themeasuringtimec***tantcanbematchedtotherequirementsofthemeasurementtaskbyappropriateha***areprogramming.ApplicationTheinclinometersNG2U,NG3UandNG4Uaresuitedforapplicati***requiringhighmeasurementaccuracywithlowlinearitydeviation,lowtemperaturesensitivityandhighlong-termstabilityformeasurementoflargeinclinationangles,returningalargeoutputsignalwhileusinganon-regulatedsupplyvoltage.Forparticularlyharshoperatingconditi***,werecommendthesensorcasingSB1UorthecasingSB1Sfeaturingadditionalswitchoutputs.Theseinclinometersh***etheirapplicationinareassuchasc***truction,mining,vehicles,aircraft,ships,surveyingequipment,transportationandconveyorsystemsandprocessautomationaswellassafetyengineering.TechnicalSpecificati***TypeNG2UNG3UNG4UMeasuringrange&plu***n;10degrees&plu***n;30degrees&plu***n;80degreesResolution<0.001degrees<0.003degrees<0.01degreesStandardizedsensitivity(otherstandardizati***onrequest)200mV/degree66.67mV/degree)