
www.Siargo.com
CS3001
UserManual
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1. Overview
Allcontactinformationcanbefoundattheendofthismanual.
ThismanualprovidesessentialinformationfortheCS3001seriesofliquidconcentrationmetersfor
fluidic,inparticular,microfluidicconcentrationmeteringapplications.Itisappliedtothe
concentrationmeteringofafluidmixedwithtwodifferentfluids.Theproductperformance,
maintenance,andtroubleshooting,aswellastheinformationforproductorder,technicalsupport,
andrepair,arealsoincluded.
TheCS3001fluidicconcentrationmetersaremanufacturedwiththecompany’sproprietaryMEMS
(micro‐electro‐mechanicalsystems)thermaltime‐of‐flighttechnologythatoffersveryhigh
precisioninthe0~100%wtfulldynamicrange.Inaddition,thechannel'swettedmaterialsare
tailoredby304stainlesssteel,Polyphenylsulfone,andsiliconnitrideonly,whichallowsexcellent
chemicalandbio‐compatibility.
Thethermaltime‐of‐flightsensingisachievedbymodulatingathermaltransmitterandacquiring
thereceiver'smodulatedsignalsataprecisedistanceviathemicro‐machinedprocess.The
predefinedspecificdistance,togetherwiththemeasuredtimethatthethermalsignalstravel
betweenthetransmitterandreceiver,allowstheaccuratemeasurementofthethermaldiffusivity
fortheinterestedfluid,whichisdirectlyassociatedwiththeconcentrationofafluid.
TheproductsarepackagedsuchthattheMEMSsensorchipisatarecessinsidethechannel,
eliminatingthefluidfloweffects,andallowingapressureratingto1.oMPaforbroaderpressure‐
ratedapplications.
Whilethecurrentpackagesarebestforinstrumentation,equipment,OEM,and/orlaboratory
applications,themanufactureralsooffersalternativecustomizedpackages,includingthosefor
disposableformality.Somemedicalorcross‐contaminationsensitiveapplicationswouldhavea
disposableapproachastheonlypracticalpath.Foranyotherformsofpackagesthatarenot
describedinthismanual,pleasecontactthemanufacturer.
ThedefaultdatainterfacesincludeI2C,RS485Modbus,analogwithoptionalwirelessdata.Other
optionsincludeIO‐Link,4~20mA,etc.Thisvarietyofcommunicationoptionscovermostofthe
currentandnear‐futureapplicationrequirements,andeachormultiplecanberequesteduponorder
fromthemanufacturer.