User Guide

Keller America Inc User’s Guide Rev. 02/22
Keller America Inc User’s Guide Rev. 02/22
V. Lightning / Surge Protecon:
Asofthiswring,KELLERistheonlypressure/leveltransmiermanufacturerinthe
worldtoprovide,atnoaddionalcharge,alifemewarrantyagainstdamagecausedby
lightningand/orelectricalsurge.Thisguaranteeappliestothe4…20mAoutput
versionofthefollowingproducts:Levelgage,Acculevel,LevelRat,Microlevel,Valueline,
andPreciseline.Thiswarrantyapplieseveninthecaseofadirectlightningstrike.The
user’sliabilityislimitedtoshippingcoststoKELLERAmerica.
VI. Opons /Accessories:
Titanium Construcon -OponalfortheAcculevel,Microlevel,LevelRatandPreciseline.
Highlyrecommendedforbrackishandseawaterapplicaons.
External Surge Protector-Recommendedforlightning/surgeproteconofuser’spower
supply/readout/PLC,etc.TobeusedinconjunconwithLevelgage,Acculevel,LevelRat,
Econolevel,Microlevel,Nanolevel,Valueline,orPreciselinetransmiers.
½” NPT Pipe conduit ng -½”NPTmaleng,allowsrigidmounngontheelectrical
terminaonsideofLevelgage,Acculevel,orLevelRatsubmersibletransmiersandto
PreciselineandValuelinepressuretransmiers.
Drying Tube Assembly-Cleartubelledwithindicangdesiccant,aachesdirectlyto
cableventtube,interceptswatervapor.Highlyrecommendedwhenoperangisinhigh
humiditycondions.Mustbeperiodicallyrenewedasdesiccantbecomessaturated,
turningcolorfromblue(dry)topink(saturated).
Sour Gas Trap-EecvelypreventsanyH
2
Svaporfrommigrangdowntheatmospheric
ventoftheleveltransmier,onaccountofitsabilitytoabsorbandtrapanysuchvapors
whichenterit.TheSourGasTrapisintendedtobeinstalledeitherstand-aloneorin
tandemwithaKELLERAmericaDryingTube.
Bellows Assembly-Alternavetothedryingtube,thisaneroidbellowsaachesto
cableventtubeandrequiresnoperiodicmaintenance.Notethattheuseofthebellows
resultsinaclosedreferencepressuresystemsubjecttozeroshierrorsinducedby
changingtemperaturesofupto0.0004PSI/°C.Notrecommendedforusewithaccuracy
requirementsof±0.25%FSorbeer,orranges<2PSI.
Electrical Connectors -mPm393isoponalfortheEconoline,DIN43650andMIL-C
26482areoponalforValuelineandPreciseline.ThemPm393andMIL-C26482mang
connectorsfeaturesoldercupswhiletheDIN43650incorporatesscrewterminals.
RS485 Converter/Cable -FortheuserwhowishestocommunicatewiththeirAcculevel,
LevelRat,Nanolevel,Microlevel,orPreciselinetransmierviatheRS485digitalinterface.
AvailableinRS232andUSBversions,alongwithcableadapters,asneeded,andCCS30
Soware(alsoavailablefordownload,freeofchargefromwww.kelleramerica.com).
Consultfactoryfordetails.
Page5
Nanolevel-TheNanolevelisuniquelydesignedforhighaccuracymeasurementof
verylowpressureranges.TheNanolevelisavailableinfullscalerangesfrom0…4inWC
through0…10WCandisavailablewithstandard0.1%FSoroponal0.05%FSstacac-
curacy(0.25%or0.1%TEB).LiketheAcculevel,italsoprovidesboth4-20mAanalogand
RS485Digitaloutput.TheRS485interfaceprovideslevelandtemperatureinformaon.It
alsoallowstheusertorescaletheanalogoutputfrom10…110%ofthebasicrange.
Econolevel-TheEconolevelbyKELLERisalowcostgeneralpurposesubmersiblelevel
transmierdesignedforhighvolumeapplicaons.Itisavailableinnominalpressure
rangesfortankandwelllevelmonitoringapplicaons.TheEconolevelprovidesa4-20
mAanalogoutputthatiscompablewithmostSCADAsystemsandPLCs.Minimum
orderquanesapply.
IV. Product Overview cont’d - Pressure Transmiers
Econoline-TheEconolinebyKELLERisalowcostgeneralpurposepressuretransmit-
ter.Itisavailableinnominalpressurerangesbetween30psiand10,000psiandwitha
threaded¼”NPTpressureconnecon.Idealfortank,pump,andpipepressuremoni-
toringapplicaon,itprovidesastandard4-20mAanalogoutputcompablewithmost
SCADAsystemsandPLCs.Anoponal0.5-4.5VDC(raometricornon-raometric)analog
outputisalsoavailableonrequest.
Valueline-TheValuelinebyKELLERisahighlyversaleandaccuratepressuretransmit-
ter.Itisavailableincustompressurerangesfrom0…2through0…15,000PSIandyour
choiceofelectricalconneconsincludingaachedcable,DIN43650,andMIL-C-26482
connectors.Theaachedcableversionisfullysubmersible,makingittheidealchoice
wheninstalledinavalvepitorotherenvironmentpronetoperiodicooding.TheVal-
uelinealsohasbeenceredtoNSF/ANSI61andNSF/ANSI372approvalsfordrinking
waterapplicaons.
Preciseline -ThePreciselineisourmostaccurateabove-groundpressuretransmier.
Withstandard316Lstainlesssteelortaniumconstruconandanachoiceof0.1%FSor
0.05%FSstacaccuray(0.25%oroponal0.1%TEB),a¼”NPTpressureconnecon,and
dualoutputs(analoganddigital)thePreciselineoersversalityindesignandapplica-
on.LiketheAcculevel,theanalogoutputcanberescaledviatheRS485interface.The
RS485interfacealsoallowstemperaturedatatoberetrievediftheapplicaondemands.
LiketheValueline,thePreciselineisceredtotheNSF/ANSI61and372approvals.
Preciseline SDI-ThePreciselineSDIishighlyprecisepressuretransmierthatisavail-
ablewithSDI-12orRS485digitalcommunicaonprotocols.Itisavailablewithstandard
accuracyof±0.1%FSTEBinrangesupto900WCandoponalUSGSOSWaccuracyfor
rangesupto70WC.ItcomeswithyourchoiceofaachedcableorMIL-C-26482con-
nectorelectricalconnecons.Thecableversionisfullysubmersible,makingittheideal
choiceinenvironmentspronetoperiodicooding,whilethecercaontoNSF/ANSI61
andNSF/ANSI372standardsmakethePreciselineSDIsuitableforuseindrinkingwater
applicaons.
Page4