1010
1. DIRECTIONS FOR USERS
Notallthesafetyproblemsthatmightoccurduringuseof
thedispensercanbecoveredbythisoperangmanual.
Theuserthemselvesareresponsibleforsafeandharmless
praccesduringuseofthedispenser.
Whendispensingcausc,toxic,radioacveorhealth-
damagingchemicals,theutmostcaremustbetakenat
allmes.
· Followgeneralsafetyrules(e.g.wearprotecve
clothing,eyeproteconandprotecveglovesetc.)
· Observeallthespecicaonsofthereagent
manufacturer.
· Beforeuse,everyusermustreadtheoperangmanual
carefullyandcomplywithit.
· Onlyusetheinstrumentforitsintendedpurposeand
withinthelimitsofitsmaterialresistance(seeApplicaon
Excepons).Incasesofdoubtaboutthesuitabilityofthe
instrument,alwayscontactthemanufacturerrst.
· Checktheghtnessandoperaonoftheinstrument
everymebeforeusingit.Beforeinialuse,carefully
checkthattheinsertconneconsarermlyseated,e.g.
tubesetc.Donotuseforce.Breakageofpartscanresult
inrisktotheuserorothers.
· Nevermovethepistonwhilethedrip-catcherisonthe
tube.
· Carefullypullupthepistonandgentlypressitdown.
Donotuseforce.Thisappliesparcularlyinthecaseof
sckingparts.Intheeventofanyproblems(e.g.piston
diculttomove),stopdispensingimmediatelyandclean
theinstrument(3.1.).
· Avoidanyriskstoyourselforothers.Thedischargetube
mustalwaysbepoinngawayfromtheuserandfrom
anyotherpersons.Avoidsplashes.Onlyusesuitable
containers.
· Aslongasthedischargetubeisclosedand/orthelever
(12)issettoLocked( ),thepistonmustnotbepressed
down.Thedischargetubemustnotberemovedduring
dispensingorwhilethedispensingcylindercontains
liquid.
· Sincereagentcanaccumulateinthedrip-catcher,
regularcleaningisessenal.
· Preventsmallbolesorcontainersfromppingover.
Ifnecessaryuseabolestand.
· Useonlyoriginalsparepartsandaccessoriesfromthe
manufacturer.
· Donotcarrythemountedinstrumentbythetoppartof
itshousing.Whencarryingit,alwaysgripitbythereagent
boleandthedispenser.
TheDispensercandispenseliquidsdirectlyfromcontainers/
boles.Theinstrumentcanbeadjustedtovariousboles
usingtheadapter.
Whenthedispenserisusedcorrectly,thedispensedliquid
comesintocontactonlywiththematerialsPFA,borosili-
categlass,FEP,ETFE,PTFE,planum-iridiumandPVDF.
TheDispenserisequippedwitha3-wayvalve(14):
· Lever(12)toDispensing(q):Theliquidisdispensedfrom
thebole.
· Lever(12)toReturn( ):Toremoveairfromthe
dispenser,theliquidisreturnedtothebole.
· Lever(12)toLocked( ):IntheSTOPfuncon,
thevalveisblocked.
TheDispensercanbeautoclaved.
TheDispenserissuitableformanyliquids,butnotfor
reagentswhichaackPFA,borosilicateglass,FEP,ETFE,
PTFE,PVDF(drip-catcher),PP(adapter,housing)or
planum-iridium,suchassoluonscontaininghydrouoric
acid,soluonscontainingorformingsolidparcles,and
substancescatalycallytransformedby
planum-iridium.Inthecaseofnon-organicandoxidable
soluons(e.g.Biuretreagent),metaloxidescanbe
precipitated.Liquidswhichformdepositscanleadto
impairmentofthepiston(e.g.crystallizingsoluonsor
highlyconcentratedalkalinesoluons).
Theusermustmakesurethemselvesthattheinstrument
canbeusedfortheirspecicapplicaon.
Ifinammablemediaaretobedispensed,ensurethatno
stacchargingoftheinstrumentandthecollecngvessels
canoccur.
Physicallimits:
· Temperature+15°Cto+40°C
forinstrumentandmedium
· Densityupto2.2g/cm3
· Vaporpressureupto500mbar.
· Kinemacviscosityupto500mm2/s
1Dispenser,1operangmanual,
1qualitycercate,1assemblytool,3PPadapters,
1intaketube
Wherenecessary,selecttheadapterthattstheneckofthe
boleandscrewitintothedispenser.Theadapterssupplied
aremadeofPP.Theymustnotbeusedifthereagentaacks
PP.AdaptersmadeofETFEareavailableasaccessories(9.2.).