Accelerometersofhighoverloadresistancewithintegratedelectronicsformeasurementofaccelerationinthefrequencyrange0toseveral100HzB_Sensor[+]SEIKAfrontpageprintversion(pdf)Featuresveryhighoverloadresistanceinsensitivetointerferencebymagneticandelectricfieldslowercut-offfrequencyiszero,hencesuitableformeasuringstaticacceleration,suchasgr***ity(inclinati***)orradialacceleration(centrifugalforce)linearfrequencyresp***ewithlittleornoresonantpeakatuppercut-offfrequencylownon-linearityhighsignal-to-noiserationomeasurablehysteresisofsignalhermeticallysealedhighlong-termstability***alltemperaturedriftintegratedsensorelectronicsanalogDCorpulsewidthmodulatedorfrequencymodulatedoutputlowpowerc***umptionveryshorton-transitiondelaymultiplehousingopti***DescriptionThesensorsB1,B2andB3arecapacitivespring-massaccelerometerswithintegratedelectronics.Resonantpeaksareminimizedbyspecialgas-dynamicdampingintheprimarytransformer.ThesensorsaremanufacturedwithananalogDCoutput.Thesensorelectronicsrequireonly***allamountsofpowerandareinconjunctionwiththecapacitiveprimarytransformercharacterizedbylowerrorandhighlong-termstability.ApplicationTheaccelerometersB1,B2andB3areusedforapplicati***requiringhighoverloadtolerance,highlong-termstability,***alllowercut-offfrequencydowntomeasurementofstaticacceleration,veryshorton-transitiondelayandlowpowerc***umption.Typicalapplicati***include:measurementsonvehicles,machinery,buildingsandplantsforprocesscontrolanderrordiagnosissei***icmeasurementsinclinationmeasurementssafetyengineeringdynamicmeasurementofpositionandvelocityTechnicalSpecificati***Typ:B1B2B3Measuringrange&plu***n;3g(ca.&plu***n;30m/s2)&plu***n;10g(ca.&plu***n;100m/s2)&plu***n;50g(ca.&plu***n;500m/s2)Resolution<10-3g<5·10-3g<2·10-2gFrequencyrange0...160Hz0...350Hz0...550HzLinearitydeviation<0,5%Transversesensitivity<1%Mechanicaloverloadresistanceindirectionofmeasurement10000g(approx.100000m/s2)Nominalsupplyvoltage(regulated)UbN=5VoltPermissiblerangeofsupplyvoltageUbz=3V...6VCurrentdrawnatUb=5Vapprox.1mADegreeofprotectionIP65Operatingtemperature-40°C...+85°C(125°Coptional)Storagetemperature-45°C...+90°C(125°Coptional)Weight(inmetalhousingwithoutcable)approx.23gramsStandardelectricalconnection3highlyflexible,color-codedwires?1mm,lengthapprox.18cm(speciallengthsonrequest)Alternativeelectricalconnection0.5mstrong,flexible,shieldedcable?2.1mm(speciallengthsonrequest)3flexible,color-codedwireswithTefloninsulationforextendedtemperaturerangeValuesforanalogDCoutputatUbN=5VoltSensitivityapprox.140mV/gapprox.30mV/gapprox.7,5mV/gTemperaturedriftofsensitivity<+6·10-2%/KTemperaturedriftofzeropoint<0.1mV/KZerooffsetatUb=5V2.5&plu***n;0.1Volt-generally:0.5Ub&plu***n;4%Outputimpedance10kOhm*Eachsensorwillbedeliverywithindividualcalibrationdates(offsetandsensitivity)*onrequest:PWM-outputDimensi***(inmm)andConnecti***BDK3,BDK10,BDK100Accelerometersofhighoverloadresistancewithintegratedelectronicsfordynamicmeasurementofvibrationandaccelerationinthefrequencyrange1HztoseveralkHzBD-SensorenSEIKAfrontpageprintversion(pdf)Featuresveryhighoverloadresistanceinsensitivetointerferencebymagneticandelectricfieldsmultiplehousingopti***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***umtionupto30μABDK3,BDK10,BDK100Accelerometersofhighoverloadresistancewithintegratedelectronicsfordynamicmeasurementofvibrationandaccelerationinthefrequencyrange1HztoseveralkHzBD-SensorenSEIKAfrontpageprintversion(pdf)Featuresveryhighoverloadresistanceinsensitivetointerferencebymagneticandelectricfieldsmultiplehousingopti***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***umtionupto30μABDK3,BDK10,BDK100Accelerometersofhighoverloadresistancewithintegratedelectronicsfordynamicmeasurementofvibrationandaccelerationinthefrequencyrange1HztoseveralkHzBD-SensorenSEIKAfrontpageprintversion(pdf)Features)