英国CITY硒化氢传感器 SeH2 3E5LT气体检测仪.docx
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英国CITY硒化氢传感器 SeH2 3E5LT气体检测仪.docx
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英国CITY硒化氢传感器SeH23E5LT气体检测仪
SensoricSeH23E5LT
TechnicalSpecifications
3-electrodeelectrochemical0-5ppmSeH210ppm
50ppbwhenusing
recommendedelectronics
None
1100±500nA/ppm
<30Seconds<±20nA<±60ppb
<2%ofsignal
<10%offullscaleHydrogenSelenideGasSensor
Patent:
US7060169B2
MEASUREMENT
OperatingPrincipleMeasurementRangeMaximumOverloadLowerDetectionLimitFilterSensitivityResponseTime(T90BaselineOffset(cleanairZeroShift(-40°Cto+50°CRepeatabilityLinearity1.5kΩ
0V
DependentonElectronics
<35ppbwhenusingrecommendedcircuitry
ELECTRICAL
RecommendedLoadResistorBiasVoltageResolutionPPONoryl
4.5gAny
MECHANICAL
HousingMaterialWeightOrientationPortable&fixedlifesafety
-20°Cto+40°C-40°Cto+50°C
Atmospheric±10%
10%to95%RHnon-condensing
ENVIRONMENTAL
TypicalApplicationsOperatingTemperatureRange:
ContinuousIntermittentOperatingPressureRangeOperatingHumidityRange<0.2mAat100ppm<500mV<1.0A
INTRINSICSAFETYDATA
Maximumat2000ppmMaximumo/cVoltageMaximums/cCurrent<5%per6months2yearsinnormaluse
3monthsinsealedcontainer
10monthsfromdateofdespatch
LIFETIME
LongTermOutputDriftExpectedOperatingLifeStorageLifeStandardWarrantyKeyFeatures&Benefits:
•Excellentstability
•Resistanttodryingout
•Reliableincontinuousflowapplications
PartNumbers
Availablein:
SeH23E5LT
PartNumberMini3035-337-300094-Series3035-337-300497-Series3035-337-30079Classic3035-337-30069Smart
3035-337-30259Transmitter
3035-337-30659
OrdersshouldbeplacedthroughSensoricGasSensorsinBonn.
ProductDimensions
Allperformancedataisbasedonconditionsat20°C,50%RHandambientpresureusingSensoricrecommendedcircuitry.Forsensor
performancedataunderotherconditions,refertotheOperatingPrinciples.
Everyefforthasbeenmadetoensuretheaccuracyofthisdocumentatthetimeofprinting.Inaccordancewiththecompany’spolicyofcontinuedproduct
improvementCityTechnologyLimitedreservestherighttomakeproductchangeswithoutnotice.Noliabilityisacceptedforanyconsequentiallosses,
injuryordamageresultingfromtheuseofthisdocumentorfromanyomissionsorerrorsherein.Thedataisgivenforguidanceonly.Itdoesnotconstituteaspecificationoranofferforsale.Theproductsarealwayssubjecttoaprogrammeofimprovementandtestingwhichmayresultinsomechangesinthe
characteristicsquoted.AstheproductsmaybeusedbytheclientincircumstancesbeyondtheknowledgeandcontrolofCityTechnologyLimited,wecannotgiveanywarrantyastotherelevanceoftheseparticularstoanapplication.Itistheclients’responsibilitytocarryoutthenecessaryteststodeterminethe
Poisoning
Sensoriccellsaredesignedforoperationinawiderangeofenvironmentsandharshconditions.However,itisimportantthatexposuretohighconcentrationsofsolventvapoursisavoided,bothduringstorage,fittingintoinstruments,andoperation.
Whenusingsensorswithprintedcircuitboards(PCBs,degreasingagentsshouldbeusedbeforethesensorisfitted.DonotgluedirectlyonorneartheSensoriccellsasthesolventmaycausecrazingoftheplastic.CrossSensitivityTable
WhilstSensoriccellsaredesignedtobehighlyspecifictothegastheyareintendedtomeasure,theywillstillrespondtosomedegreetovariousgases.Thetablebelowisnotexclusiveandothergasesnotincludedinthetablemaystillcauseasensortoreact.
GasConcentrationUsed(ppmReading(ppmSeH
2
Ammonia,NH
3
108<0.1
Arsine,AsH
3
0.150.25
CarbonDioxide,CO
2
50000
CarbonMonoxide,CO850
Chlorine,Cl
2
0.85-0.3
Diborane,B
2H
6
0.20.6
Hydrocarbons180000Hydrogen,H
2
3100<0.05HydrogenChloride,HCl6.82.3HydrogenCyanide,HCN12.61
HydrogenSulfide,H
2
S18.122.5
NitrogenDioxide,NO
2
10.1-4
Phosphine,PH
3
0.180.5
Propan-2-ol,C
3H
5
OH20000<0.05
Silane,SiH
4
4.40.8
SulfurDioxide,SO
2
17.87
Thecross-sensitivityvaluesquotedarebasedontestsconductedonasmallnumberofsensors.Theyareintendedtoindicatesensorresponsetogasesotherthanthetargetgas.Sensorsmaybehavedifferentlywithchangesinambientconditionsandanybatchmayshowsignificantvariationfromthevaluesquoted.
SAFETYNOTE
Thissensorisdesignedtobeusedinsafetycriticalapplications.Toensurethatthesensorand/orinstrumentinwhichitisused,areoperatingproperly,itisarequirementthatthefunctionofthedeviceisconfirmedbyexposuretotargetgas(bumpcheckbeforeeachuseofthesensorand/orinstrument.Failuretocarryoutsuchtestsmayjeopardizethesafetyofpeopleandproperty.
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- 英国CITY硒化氢传感器 SeH2 3E5LT气体检测仪 英国 CITY 硒化氢 传感器 E5LT 气体 检测