Drawell K1100F User manual
User Manual
Please read the manual before installation and operation.
Drawell International Technology Limited
Chongqing Drawell Instrument CO,.Ltd
Add:Suite 2705,Building No.12,Shiyou Road No.1,Yuzhong District, Chongqing,China
Tel: 0086-023-63268643
Shanghai Drawell Scientific Instrument CO.,Ltd.
Add: Suite 1117,Lane561 XiuChuan Rd.,PuDong New Area,Shanghai,China
Product Manual
Product Manual
K1100FUserManualV2.4
ContentsContentsContentsContents
I.Summary..................................................................................................................1
1.1Application.............................................................................................................1
1.2Principles...............................................................................................................1
1.3Operatingprocedures............................................................................................3
II.Mainperformance...................................................................................................4
2.1Technicalparameters............................................................................................4
2.2Useconditions.......................................................................................................4
III.Nameofdevicecomponents..................................................................................5
IV.
Deviceinstallationmethods....................................................................................7
V.
Functionintroduction...............................................................................................8
VI.Automatictestofsamples....................................................................................38
VII.Searchoftestrecord...........................................................................................42
VIII.Routinemaintenanceofdevice…......................................................................42
IX.Troubleshooting...................................................................................................43
X.Supplements.........................................................................................................45
XI.Cautions...............................................................................................................45
K1100FUserManualV2.4
Warning:Theinstrumentcannotprovidethedesignedprotectionfor
operatorswhodonotfollowtherightproceduresandrequirementsgivenbythe
manufacturer.
Warning:Allsolutionsmustbehandledwithcareaccordingtothelab’s
safetyregulation.Pleasemakeareferencetotherelatedmaterialsafetydatasheet.
Wearthelab-gown,goggleandrubberglovesallthetime.Becareofhotreagents.
Warning:Beawareoftheriskofelectricshock.Onlythetrained
professionalsarepermittedtoopenthefacepanelorbackcover.
Warning:Thewasteliquidcanbedirectlydischargedintothesewerifitdoes
notconflictwiththelocalwastetreatmentregulations.Ensurethatwastedischarge
pipedonotbendorflowup,anditshouldbeshortasmuchaspossible.Theexport
shouldnotlowerthanthesurfaceofthesewer（therewillbeanoisewhenthehot
waterdischargedintocoldwater）Meanwhilethepipeshouldbefixed,becausethe
dischargedwasteliquidhasacertainpressure.
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I.I.I.I.SummarySummarySummarySummary
1.11.11.11.1ApplicationApplicationApplicationApplication
K1100FAutomaticKjeldahlAnalyzerisanautomatic,smartdevicedetermining
nitrogencontentbasedonKjeldahlmethod.Itcanbewidelyusedinfoodprocessing,
feedproduction,tobacco,livestock,soilfertility,environmentalmonitoring,medicine,
agriculture,scientificresearch,teaching,qualitycontrolandotherfieldsforthetestof
nitrogenorproteincontentwithrespectofmacroandsemimicrosamplesandcan
alsobeusedforthetestofammonium,volatilefattyacid/alkali,andsoon.Upontest
ofsamplesbyusingKjeldahlmethod,theprocessesofdigestion,distillationand
titrationarerequired,whereindistillationandtitrationaremaindetermination
processeswithrespecttoK1100FAutomaticKjeldahlAnalyzer.
K1100FAutomaticKjeldahlAnalyzerisanautomaticnitrogendeterminationsystem
integratingdistillationandtitrationbasedonclassicKjeldahlmethod;theinstrument
providesgreatconvenienceforlabstaffindeterminingnitrogen-protein.It'ssafe,
reliable,simpleforuseandtime-saving.
A
friendlyuserinterfaceinEnglishallows
easyoperationanddisplaysabundantinformation,enablinguserstoquicklymaster
theuseoftheinstrument.
1.21.21.21.2PrinciplesPrinciplesPrinciplesPrinciples
AccordingtoKjeldahlprinciples,thedeterminationrequiresthreesteps,whichare
digestion,distillationandtitration.
K1100FAutomaticKjeldahlAnalyzercanautomaticallycompletetheprocessesof
distillationandtitration.Uponthesamplestobedeterminedisfullydigested,it's
K1100FUserManualV2.4
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subjectedtothefollowingchemicalreactionsontheinstrument:
[1].
[2].
[3].
Theammoniagasemittedduringthereaction,togetherwiththesteam,iscollectedin
thereceivingcupaddedwithboricacidabsorbingsolution(containingmixed
indicator)aftercondensedbyacondensingtube.Thentheautomatictitratorcarries
ontitrationandrecordthevolumeofconsumedstandardtitrationacid.Basedonthe
volumeofconsumedstandardtitrationacid,thecalculatingsystemcalculatesthe
nitrogencontentandcrudeproteincontentbasedonthefollowingformulae.
Nitrogencontent:
Crudeproteincontent:
Wherein:
M=molarconcentrationoftitrationacid(mol/L);
W=sampleweight(g);
V0=volumeofconsumedstandardtitrationacidduringblanksampletitration(mL);
V=volumeofconsumedstandardtitrationacidduringsampletitration(mL);
C=conversioncoefficientforcrudeprotein.
↑ + + ⎯⎯⎯⎯⎯⎯→ ⎯ +3 2 4 2
steam e temperatur- high
4 22 2 2 ) (
NH O H SO Na NaOH SO NH
O H O B NH BOH NH
2 7 4 2 4 3 3 35 ) ( 4 2+ = +
Cl NH BOH HCl O H O B NH
4 3 3 2 7 4 2 42 4 2 5 ) (+ = + +
) (
401. 1
(%)0
V V
W
M
N
−
×
=
C N P
× =(%) (%)
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1.31.31.31.3OperatingOperatingOperatingOperatingFlowFlowFlowFlowChartChartChartChart
K1100FUserManualV2.4
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II.II.II.II.MainMainMainMainperformanceperformanceperformanceperformance
2.12.12.12.1TechnicalTechnicalTechnicalTechnicalparametersparametersparametersparameters
a.Samplecapacity:solid≤5g,liquid≤20mL;
b.Measuringrange:0.1mg～200mgnitrogen;
c.Analysistime:5～10min/sample;
d.Recovery:≥99.5%;
e.Titrationaccuracy:1.0μL/step;
f.Repeatederrors:±0.5%;
g.Datastoragecapacity:1,800pieces;
h.Consumptionofcondensatewater:1.5L/min;
i.Externalinterface:USB,RS485;
j.Dimensionsize(length×width×height):455mm×391mm×730mm;
k.Netweight:38kg.
2.22.22.22.2UseUseUseUseconditionsconditionsconditionsconditions
a.Powersupply:220VAC±10%50Hz;
b.Ratedpower:2KW;
c.Condensatewaterpressure:0.02Mpa-1Mpa;flow:4.5-6L/min;
d.Condensatewatertemperature:below20℃;
e.Ambienttemperature:10℃～28℃.
K1100FUserManualV2.4
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III.III.III.III.NameNameNameNameofof
ofofinstrumentinstrumentinstrumentinstrumentcomponentscomponentscomponentscomponents
Theinstrumentisasystemconductingautomaticdistillation,titration,calculation,
printing,dischargeandcleaningonthefully-digestedsampleandcapableof
displayingoperatingprocedures,withamicrocomputercalculatingresultsanda
printeroutputtingdata.Thesystemsubstantiallyconsistsofmicrocomputercontroller,
steamgenerator,distillingsystem,alkaliaddingsystem,boricacidaddingsystem,
titratingsystem,micro-printing,dischargesystemandcleaningsystem.
Thestructureoftheinstrumentiscomposedasshowninthefigurebelow:
Fig3.1
1.Label2."Securitydoorin-place"detector3.Anti-splashbottle4.Condensate
waterinterface5.Distillinghead6.Fixedholderfordigestiontube7.Digestiontube
8."Digestiontubein-place"detector9.Securitydoor10.Wastereceivingtank
11.
Touchscreen12.Panel13.Printer14.Receivingcup15.Titrationacidtank
K1100FUserManualV2.4
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Fig3.2
16.Condensatewaterinlet17.Condensatewateroutlet18.Dischargeport
Fig3.3
19.Powerswitch20.Powerplug21.RS485interface22.USBinterface23.Distilled
waterleveldetectioninterface24.Boricacidleveldetectioninterface25.Alkali
solutionleveldetectioninterface26.Alkaliinlet
27.Boricacidinlet28.Distilledwaterinlet
Table of contents
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