Keller America Inc User’s Guide Rev. 07/19
Keller America Inc User’s Guide Rev. 07/19
IV. Product Overview - Level Transmiers
Acculevel-TheAcculevelfromKellerisahighaccuracysubmersibleleveltransmier.
IncorporangallofthefeaturesoftheLevelgageincludingtheNSF61andNSF372
cercaons,theAcculevelhasaddionalfeaturesthatprovideenhancedfunconality,
includingdualoutputs;i.e.,oneanalog(4…20mA,0…5VDC,0…10VDC)andonedigital
(RS485).TheRS485interfaceprovideslevelandtemperatureinformaonandallowsthe
usertorescaletheanalogoutputfrom10…110%ofthebasicrange.Addionally,the
AcculeveliscapableofgreateraccuracythantheLevelgage,withastandardaccuracyof
0.25%BRTEBandanoponal0.1%BRTEB.TheAcculevelcanbemanufacturedin316L
stainlesssteelortaniumforincreasedresistancetocorrosion,notablyfromseawater.
Acculevel SDI -TheAcculevelSDIisaversionoftheAcculevelhighaccuracysubmersible
leveltransmierthatisavailablewithSDI-12orRS485digitalcommunicaonprotocols.
Itisavailablewithstandardaccuracyof±0.1%FSTEBinrangesupto900WCand
oponalUSGSOSWaccuracyforrangesupto70WC.TheAcculevelSDIcanbemanu-
facturedinstandard316Lstainlesssteeloroponaltaniumforincreasedresistanceto
corrosion,notablyfromseawater,carriestheNSF61andNSF372approvals.
Levelgage-TheKellerLevelgageisageneralpurposesubmersibleleveltransmier
availablein1%and0.5%BRTEBaccuracy.Constructedfrom316Lstainlesssteel,itis
ideallysuitedformostfreshwatermonitoringapplicaons.Withstandardconstrucon
(i.e.EPDMandXLPE)materials,theLevelgagehasbeenceredtoNSF61andNSF372
standardsforuseindrinkingwater.Itisavailableincustomrangesfrom0…3WCto
0…900WC.Cablelengthsarecuttouserspecicaons.TheLevelgageisalsoavailable
invariousoutputconguraons,including4…20mA,0…5VDC,and0…10VDC.
LevelRat -TheKellerLevelRatisspecicallydesignedtoprovide0.5%BRTEBaccuracy
forlevelindicaoningrease-ladenenvironmentscommonlyfoundinlistaonsserving
commercialconcerns.TheLevelRatdesigntakesastepawayfromthelargeandbulky
proteconcagedesignsbyulizingauniquediaphragmmaterialthatoersthenon-
sckproperesofTeonandprovidesaddedresistancetodamagefromdebris.The
LevelRatprovidesdualoutputs;yourchoiceofanalogoutputs(4…20mA,0…5VDC,or
0…10VDC)plusonedigital(RS485)forlevelrangesfrom0…5WCto0…100WC.
Microlevel-TheMicrolevelcombinesthecapabilityoftheAcculevelwithaclassleading
0.63”(16mm)outsidediameter.TheMicrolevelisavailableinfullscalerangesfrom0…3
WCthrough0…900WCandprovides0.25%BRTEBaccuracy.LiketheAcculevel,italso
providesboth4…20mAanalogandRS485Digitaloutput.TheRS485interfaceprovides
levelandtemperatureinformaon.Italsoallowstheusertorescaletheanalogoutput
from10…110%ofthebasicrange.
Nanolevel-TheNanolevelisuniquelydesignedforhighaccuracymeasurementof
verylowpressureranges.TheNanolevelisavailableinfullscalerangesfrom0…4inWC
through0…10WCandisavailablewithstandardaccuracy0.25%BRTEBand0.1%BR
TEBoponal.LiketheAcculevel,italsoprovidesboth4…20mAanalogandRS485Digital
output.TheRS485interfaceprovideslevelandtemperatureinformaon.Italsoallows
theusertorescaletheanalogoutputfrom10…110%ofthebasicrange.
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I. Company Informaon
KellerAmericaIncistheNorthAmericansubsidiaryofKellerAGfürDruckmesstechnik,
whichconnuesastheleaderinlevelandpressuresensing.Fromhumblebeginnings,
Kellernowprovidesitsproductsandexpersethroughaworldwidenetworkoffacto-
ry-trainedprofessionals.
Withtheadventofinexpensive,miniaturizedmicroprocessors,Kellerconnuestoad-
vancethestate-of-the-artinfullypackagedpressuretransmiers,withTotalErrorBand
performancenotpossiblejustafewshortyearsago.Annualsensorproduconnow
exceeds1millionpieces.
DoingbusinesswithKelleriseasyandmostinquiriesareansweredwithin24hours.
StandarddeliveryonU.S.-assembledproductsis3daysARO.Weoerconvenientterms
withapprovedcreditandacceptmostmajorcreditcards.
AtKeller,providingcustomerswithsuperiorvalueisawayoflife.
II. Contact Informaon
KellerAmerica,Inc.
351BellKingRd
NewportNews,Virginia,23606
P:877-253-5537
F:757-596-6659
Web: www.kelleramerica.com
Email: sales@kelleramerica.com
III. Product Applicability:
Unlessotherwisenoted,thismanualcontainsuserinformaonforthefollowinglevel
andpressureinstrumentaonprovidedbyKellerAmerica:Acculevel™,Levelgage™,
LevelRat™,Microlevel™,Econolevel™,andNanolevel™submersibleleveltransmiers;
Econoline™,Valueline™,andPreciseline™abovegroundpressuretransmiers.
Electronic copies of this user’s guide can be found at: hp://www.kelleramerica.com/
manuals-and-soware/manuals/Keller_America_Users_Guide.pdf
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