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www.Siargo.comFS1015CLUserManual
4. Wettedmaterialsandcompatibility
Theproductbodyismadeofmedicalcompatibleplastics(polycarbonate).Thesensingelement
comprisessilicon,siliconnitride,andsilicondioxide.Thesensorchipsurfacesarepassivatedwith
siliconnitrideandsilicondioxide.TheelectronicsealingisprovidedbyLOCTITEAblestik84‐3J.
AnotherwettedmaterialthatmaybeexposedisFR‐4.
5. Installation
Theproductatthetimeofshipmentisfullyinspectedforproductqualityandmeetsallsafety
requirements.Additionalsafetymeasuresduringhandlingandinstallationshouldbeapplied.To
preventESD(electrostaticdischarge)damageand/ordegradation,takecustomaryandstatutory
ESDprecautionswhenhandling.Donotopenoralteranypartoftheproduct,whichwouldleadto
malfunctionandirrecoverabledamage.
Fortheinstallation,theproductcomeswithstandardISO15mmconnectors,wherethegasinletis
themaleandtheoutletisthefemaleconnector.Thedataandpowercableisnormallyshippedwith
theproduct,otherwise,itcanbeobtainedfromthemanufacturer.Oneendofthecablecanbe
directlypluggedintothesensorsocketwhileanotherendisthecoloredwireterminalswhichneed
tobeconnectedcorrespondinglytothepowersupplyanddatareceivingterminals.Makesureto
refertoSec3.2anddouble‐checktheconnectionbeforepoweron.Beforesupplyingthegastothe
sensor,makesuretothemechanicalleakageproofoftheconnectionsandallelectricalprecautions
areapplied.Itshouldbenotedthatthesensorisdesignedformediumtolowpressureperthe
applications,therefore,thesystemdesignwouldbeimportantfortheflowstabilityandrelatedflow
noises.
Itisadvisedthattheproductsarebestusedfornon‐explosiveandnon‐corrosivecleangases.The
sensorscannotbeusedforgasmetrologyoffluorideorfluoride‐containinggases.Theuseofthese
gasesmaycausetheproducttomalfunctionorevenseveredamages.
Don'texposetheproduct'selectronicsotherthantheinnerflowchanneltoanyliquids,theunitdoes
nothavewaterproofelectronics.Don'tflowgasinconditionsthatcancausecondensingwatervapor
tobetrappedinsidetheunitduringoperationastheaccuracycouldbesignificantlyinfluenced.
Itissuggestedtodesignyourapplicationsothatthenominalflowrateisapproximately70%ofthe
full‐scaleflowratingofthesensor.Don'tuseasensorwithaflowrangeinextremecases,forinstance,
don'tusea150SLPMsensorfora1.5SLPMapplication.