份发来修改及画板气体传感器控制板cob4.pdfVIP

CO-B4CO-B4CarbonMonoCarbonMonoxideSensorxideSensor

CO-B4CarbonMonoxideSensor

CO-B4CO-B4CarbonMonoCarbonMonoxideSensorxideSensor

4-Eleectroded

4-Electrode

4-Electr4-Electrodeode

Figure1CO-B4SchematicDiagramPATENTED

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aAlldimensionsinmillimetres(±0.1mm)

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TopViewBottomViewSideView

cPERFORMANCESensitivitynA/ppmin2ppmCO500to750

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iResponsetimet90(s)fromzeroto10ppmCO25

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iZerocurrentnAinzeroairat20°C-30to-120

ffNoise*RMSnoise(ppbequivalent)10

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iiLimitofdetection*ppbequivalent5

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Rangeppmlimitofperformancewarranty50

LinearityppmCOerroratfullscale,linearatzero,15ppmCO±1

cOvergaslimitumppmforstableresponsetogaspulse100

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e*Requiresalownoisepotentiostatcircuitforlowestnoiseandbestresolution

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eLIFETIMEZerodriftppbequivalentchange/yearinlabair50

Sensitivitydrift%change/yearinlabair,monthlytest5

ppOperatinglifemonthsuntil80%originalsignal(24monthwarranted)24

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pp

ENVIRONMENTALSensitivity@-20°C%(output@-20°C/output@20°C)@5ppmCO35to50

SSSensitivity@50°C%(output@50°C/output@20°C)@5ppmCO117to124

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