BOD说明书英文版Word文档格式.docx
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BOD说明书英文版Word文档格式.docx
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5daystheamountofdissolvedoxygenconsumed(mg/l),
creditedas
。
Duringthemeasuringprocess,dependingonthemeasuringrangeselectionmeasuringrange,willsettheamountofvolumeofwaterpouredintotheflask,addtemperaturecontrol
20℃±
1℃incubator,after
5
daysoftraining,throughbio-oxidationoforganicmatterinsamples,convertedintonitrogen,carbonandsulphuroxides.
Inthisprocess,ranonlyonegascarbondioxidefromthewatersampleswerepreviouslyplacedinabottleofsodiumhydroxide(orpotassiumhydroxide)absorption.
Therefore,reducetheairpressureinthebottleandisproportionaltotheamountofdissolvedoxygenconsumedbymicroorganisms,bymeasuringpressurechangestoget
values.
Increaseordecreasetheamountofsamplestakencanincreaseordecreasethepressurereducingvalues,thisoperationeasierinawiderangeofaccuratemeasurementof
Changesinpressureintheflaskisdetectedbyasemiconductorpressuresensor,processingthroughsignalamplificationandsingle-chip,by
LED
displaycyclesthroughtheeightchannelsof
themeasurementvalue,aprintercanprintdatainrealtime,aftertheendoftheexperiment,youcanprintafull
Biochemicalreactioncurves.
III.
Maintechnicalindex
1、
Direct
Measuringrange:
0
~
1000mg/L
(
Outsidethisrangerequiresdilution
)
2、
Numberofsimultaneousmeasurementsofsamples:
8
3、
Accuracy:
inlinewiththenationalstandard"
GB7488-87
"
Provisions(glutamicacidstandardsolutionofglucose
180
230mg/L
Range)
4、
Display:
9
-bit
Digitaldisplaychannelnumber
、
Measuredvalues
mg/L
Andrunningtime(h)
5、
Printed:
micro-
Real-timedatacanbeprinted,aftertheendoftheexperiment,youcanprintafullbio-responsecurve
6、
Powersupply:
AC220
V
±
10%
7、
Powerconsumption:
≤
25W
8、
Environmentalconditions:
ambienttemperature
~40℃
Relativehumidity80%
IV,instrumentsandconstitute
Instrumentsbythehost,auxiliary,flasksandothercomponents,configureboththeincubatorcanbecompleted
Full-processtest.
Hostsincludesingle-chipmicro-computersystem
andtheLED
display
and
printerandkeyboard,auxiliaryincludessemiconductorpressuresensor
magneticmixers,amplifiers,andpipingsystems.
V,installationanduse
(A)preparatorywork
1
Openinginspection,accordingtopackinglisttocheckhost
AndDeputy
Andaccessoriesarecomplete.
2
Experimentalpowermeetsthetechnicalrequirementsoftheequipment,checking,ACvoltagestabilizershouldbeusedwhennecessary.
3
Andtoensurethesafetyandequipmentworkingproperly,poweroutletmustprovidereliablegroundingwire.
(B)thehostingpanelandtheuseoffunctionkeys
HostconsistsofninedigitalthreedisplayWindows,runtimedisplay
Channelnumber
Runningtime(h),andisotherwisedefinedwhensettingparameters(seethefollowingentry).
Keyboardsbytenfunctionkeysandthetendigitkeys,whichoperateseightabovetheeightfunctionkeystotheleftofledlightpromptedthecurrentoperations,thismayalsodeterminewhatinstrumentsareinworkingcondition.
Start:
setalltheparameters,pressthiskeyintheresetState,theinstrumentintoactionstarted.
Reset:
whiletheinstrumentisrunning(thatis,inthecourseoftheexperiment)bypressingthisbutton,thisexperimentwillbeterminated,andclearthesaved
Theexperimentaldata(Note:
Aftertheendoftheexperiment
Pressingthiskey,younolongerprintprovidesdataandcurves);
intheprocessofsettingparametersbypressingthisbutton,whenconfirmedbythecarriagereturnisinputparameterwillbestoredandreturnedtopositiontofurtheraction.
、Adjustment:
commissioning,calibration,andmaintenanceofthefactory.
4、inoculated:
pressthiskeytodisplay"
P-"
andsavedtheinoculationpercentagepoints,withthenumerickeysandtheEnterkeytoenteranewpercentageofinoculationofsamplefluids.
Range:
L-"
pressthiskeytodisplay
1~8
-channelquantumsettingvaluesthatarestored,withthenumberkeys,andtheEnterkeytosetthenewspanvaluesforeachchannel.
Equipmentavailableontherangevaluesare
20,and100,and300,and500,and800
and
1000
meters
of6
species,iftheinputisincorrect,thecomputercannotadoptdisplays"
Err"
Youshouldresetitagain.
6
、time:
pressingthiskeythedisplayshows"
t-"
theruntimesettingsandsavedvalues
coupledwithnumberkeysandtheEnterkeytoenternewexperiments,
Issetto
120(h)
7
Clock:
Pressingthiskeythedisplayshows"
C-1"
withtworealtimeclockvalue,C-1~C-5,
representingtheyear,month,day,hour,minute.
Pressthiskeytoviewtheclockvaluesonebyoneinarow,withthenumberkeys,andtheEnterkeycanbecalibratedclocks.
8
Print:
intheprocess,pressingthiskeythedisplayshows"
p-d-"
pressthechannelnumberandpressENTER,
Toprintthechannelgathereverytwohours
Data,suchasdirect
PressENTERto
Printallchannelscollectedeverytwohours
Dataaftertheendoftheexperiment
Pressthiskey
,
Displayshows"
p-"
Sameactionyoucanprintasinglechannelorallchannels
-Pass
7890
Completebiochemicalreactioncurves(includingthefinaldata).
Ifyoustillneedtoprinteverytwohourcollectionof
all
data,justclicktheprintbutton,gobackto
pd-"
interfacecanoperate.
Removal:
whenenteringaparameter,mismatchednumbersclickthisbuttontocleartheerroroncedata;
whentheexperimentwasover,pressthiskeytoterminatethehostbuzzerstweet.
10
CR:
whenyousettheparameters,pressthekeytoconfirmtheinputdataisvalid;
pressthiskeytoquicklyswitchpassatruntime
Roadview
Real-timevalue
(C)Equipmentinstallationandsystemcheck
Incubatorpowerispresenton,selectswitchtotheincubator'
stemperature
Set
Position,adjustthetemperaturesettingknobsothatthetableoftemperatureindicating
20℃,then
Setthetemperatureselectorto
Measurement
Location,
Accordingtotheincubatorinstructionstocheckifitworkscorrectlywhencontrolledtemperatureof
20℃,precisionthermostatshouldmeet
1℃foruse.
Factoryprovidesadedicatedconnectioncabletotheinstrumentafterthehostsideofthesocketandtheotherendisconnectedtotheincubatorrearsidesocket.
Putitintheincubator,Deputy,willbeprovidedinsidethebox(andhostisconnected)cableplugandauxiliaryconnected,connectedtomainpower(bypressingtheresetbutton),theinstrumentshouldindicate"
good"
.
Accordingtothe"
hostpanelsandtheuseoffunctionkeys"
asdescribedinthesection,separatelyforvaccination,range,timeand
Modifyorconfirmtheclocksettingdata,poweroff,andthenturnthepowerbackonandchangeddatashouldbestoredproperly.Long-termunusedinstrumentincarryingoutthisexaminationshouldbepoweredonforaperiodoftimeinordertochargethebatteryinsidethemachine,otherwisedatamaybelost.
4
Pressthestartkey,theinstrumentshouldbeabletocyclethroughthe
~8
Channel
Measuredvalue(itshouldbe
Value).
Takeaflaskandaddappropriateamountoftapwater,tiltabout
°
IntheBlender,bottleinturnintotheauxiliaryengineof
testposition,observedmixedrotation,watergym.
Canexperiment,thesechecksarenormal.
VI,analyticalmethodsandprocedures
(A)preparation,fourinorganicsalts
Take
ml
Cleanvolumetricflasksetaside.
Buffersolution
Dissolvingthefollowingreagentwithdistilledwateranddiluteto
ml
(1)
、21.75
g
Potassiumphosphate,dibasic
(k2HPO4)
(2)
、8.5
Potassiumdihydrogenphosphate
(KH2PO4)
(3)
、33.4
Sodiumphosphate,dibasic(
N
a
HPO
·
H
O
Humidityinthe
61.0
%~80.51%stable)
(4)
、1.7
Ammoniumchloride(
NH
Cl
Andmagnesiumsulfatesolution
Dissolvedindistilledwater
22.5
Magnesiumsulfate(
MgSO
7H
)Anddiluteto
ml.
Andcalciumchloridesolution
Dissolvedindistilledwateris
27.5
Calciumchloride(
CaCl
Andferricchloridesolution
0.25
Ferricchloride(
FeCl
6H
(B)sample
Measurementofthe
Anticipatingspecimenswhicharetobe
Arangeofvalues,selectthecloserange.
Ifunknown,thesamplescanbe
COD
value,andtherebydeterminetherange(usually
samplesof
valuesforsamplesofthe
valueof
0.8
times.
microbialsamplescontainingsufficientoxygen,withoutvaccination,eitherdirectlyaccordingtotheselectedmeasuringrange,foundsamplesfromthesamplingscaleweight.
Dependingonthenumberoftestsamples(upto
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