Flow monitors - KFG Level - #3

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Flownanitsra/orkmnrthetmuspendedrbod^rmeasurementm principle.mhemuspendedmodymmntroducedimtommy-lindricalrrlottedmozzle.rfìependingnonrnhenmodel.rnhem installationnofmhemowrmonitormneitherndependentm ofmositionmonlyrwithrnulspendedibodies)mrrmndepen-dentiofipositionrnsuspendedrmodiesnwithnspring).nAnreedm switchrismonnectednexternalitoitheiflowncircuit.rmhem reednswitchrmmealedriintonaifreely-adjustableihousingm (switchihousing)nandniSitherebynprotectedifromnexternalm infuences.rmhenincomingnmediumnmovesithemuspendedm bodyninithendirectionnofrmow.rnfithemuspendedrmody,m withiitsirntegrate^rmagnets.ireachesitheripositionnofithem reednswitch,ithencontactmtudsnclose.i^fithenratenofrmowm becomesngreater,rm^erriuspendedmodyrwillrmoveirurtherm inmhemirectionmfmow^ithitfiemaximummnovementm limitedibynamtop,iwhichnpreventsithensuspendedrmody movingibeyondithemwitchingnareanofitheireedmwitchm (bistablenaction).
Switching/hysteresis
Thisnrefersitoithendistanceitravelledribyithemuspendedm
bodymetweenithemwitch-onmndmwitch-offnquantities.m
Theitypicalmysteresismfmhernulspendedibodymubemmt-
tainedibymelectingireedmwitchesrwithrilowerndifferencesm
betweenitfiemick-upnandndrop-offnactivationrilevelsm
(dosendifferential).
Position/dependence
Themnitnmustmerimstallednverticallym.g.mhemowmnustm beifromitheibottomitoitheitop.
InstallationAn/Any/position
Byriinstallingnampringrwhichnmovesithemuspendedrmody intorntsninitialiposition,nanyninstallationnorientationncanm bemsed.me-adjustmentmmotnrequired,msmhernpringsm havenalreadyribeennartiiciallynagednandipre-tensioned.
Application Viscosity/compensation
Thisnisnachievedrmyninstallingnarmpringnconnectedrmonam Monitoringmfrmquidnandngaseousnmedia,inornexamp- perforatedmlate.n&smhempringmasmlreadymeenmrtifi-le,ninmefrigerationm;ystemsnandmefrigerationncircuitsm ciallynaged,momeadjustingirsmecessary. ofrweldingnmachines,rnasernandnPipingmystems,ipumps,m compressors,mydraulicmystemsnandmnanyrmore.
Maintenance
SwitchingAsoint/and/kwitching/kange Duemomsmesig^itfiemowmnitrirequiresmormainte-
Themwitchingnpointncanibencontinuouslynadjustedrwithinmnance.rmleaningnatmegularriintervalsrmhouldnonlyibencar-themwitchingnrange.rAtith^rmaximummcalemetting,ithem riednoutirnithencasem^rmediaithatncontainsnmagneticm flow-ratencanmemgnificantlymighermhanmhiown. particles.mhesenrteaningmntervalsncanibencorrespondin-
glynextendedrmyitherasenofnarmlterrwithnanmagneticme-
parator.
Assembly/notices:
L/Units/dependent/of/position
Themownmonitornmustmerimstalledriverticallyriinmhem system.
Themownmustmeifrommhemottommomhemop. 2./Units//ndependent/of/position
Themownmonitorncanmemnstalledmnmhemystemmnm anynposition.m
Thendirectionnofimo^rmustibensuchithatrianirncreasem inmheiflowiproducesmncorrespondingmositivemnove-mentionithenscale. 3./Viscosity/compensated/Units
Themownmonitorncanmemnstalledmnmhemystemmnm anynposition.
Thendirectionnofimo^rmustibensuchithatrianirncreasem inmheiflowiproducesmncorrespondingmositivemnove-mentionithenscale.
4.Aгhe/medium/mustA^otAarrryAnyAolid/bodiesA
withm.mWemecommendmhemnstallationmfmmirtinrapr ofitypermF,rmFDnorrmFM.
5.AгheAlnitAvithAheAontactAlevice
mustmotiberilocatedrwithinnanrnnductionmield. 6.A/lwaysA)bserve/theAnaximum/electrical/Values ofmheneedmwitch.
7./Setting/the/switching/point:
Setithenarrownonithemwitchmiousingitoithendesiredm switch-offnquantitynonithemcalenofitheiunitmiosuing.m
Normally open Changeover
2 2 3
1 1

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