Xylem YSI 910 COD Manuale utente

910 COD Colorimeter

INSTRUCTION MANUAL: PAGES 2 - 13

MODE D‘EMPLOI: PAGES 14 - 25

INSTRUCCIONES: PÁGINA 26– 37

OPERATIONS MANUAL

Contact Information

ORDERING & TECHNICAL SUPPORT

Telephone: (800) 897-4151

(937) 767-7241

Monday through Friday, 8:00 AM to 5:00 PM ET

Fax: (937) 767-9353 (orders)

(937) 767-1058 (technical support)

Email: [email protected]

Mail: YSI Incorporated

1725 Brannum Lane

Yellow Springs, OH 45387

USA

Internet: www.ysi.com

When placing an order please have the following information available:

  •YSIaccountnumber(ifavailable)

  •NameandPhoneNumber

  •Modelnumberorbriefdescription

  •Billingandshippingaddress

  •Quantity

  •PurchaseOrderorCreditCard

SERVICE INFORMATION

YSI has authorized service centers throughout the United States and Internationally. For the nearest

servicecenterinformation,pleasevisitwww.ysi.comandclick‘Support’orcontactYSITechnical

Support directly at 800-897-4151.

Whenreturningaproductforservice,includetheProductReturnformwithcleaningcertication.

TheformmustbecompletelylledoutforanYSIServiceCentertoaccepttheinstrumentforservice.

TheProductReturnformmaybedownloadedatwww.ysi.comandclickingonthe‘Support”tab.

Table of Contents

CAUTION

Theaccuracyoftheinstrumentisonlyvalidiftheinstrumentisusedinan

environmentwithcontrolledelectromagneticdisturbancesaccordingtoDIN61326.

Wirelessdevices,e.g.wirelessphones,mustnotbeusedneartheinstrument.

General Notes ............................................................4

General Notes .............................................................4

Method Notes .............................................................4

DisplayBacklight ...........................................................5

RecallofStoredData .......................................................5

Replacementofbatteries.....................................................5

Methods .................................................................6

COD Reagents ............................................................6

Preparing the Sample .......................................................6

Guidelinesforphotometricmeasurements .......................................6

Measurement..............................................................7

Menu options .............................................................8

Menu selections............................................................8

Recallofstoreddata ........................................................8

Transmitting stored data .....................................................9

Setting date and time........................................................9

Calibration Mode .........................................................10

Usercalibration ...........................................................10

Factorycalibrationreset ....................................................11

Technical data ...........................................................12

Operating messages .......................................................13

Error codes ..............................................................13

Battery Disposal ..........................................................13

ENGLISH

General Notes

• Priortomeasurementensurethatthesampleissuitableforanalysis(nomajorinterference)and

doesnotrequireanypreparationi.e.pHadjustment,ltrationetc.

• Reagentsaredesignedforuseinchemicalanalysisonlyandshouldbekeptwelloutofthereach

ofchildren.

• Ensureproperdisposalofreagentsolutions.

• MaterialSafetyDataSheets:availableonrequest.

Chemical Method Notes:

Method:

The sample is heated at 150oCfortwohoursinthepresenceofpotassiumdichromate,whichisa

strong oxidizing agent. Organic compounds in the sample are oxidized, reducing the dichromate ion

(Cr2O72–) to the green chromic ion (Cr3+).

IntheLowRange(LR)Test(0-150mg/L),theamountofremainingCr6+ is measured; In the

MidRange(MR)(0-1,500mg/L)or(HR)(0-15,000mg/L),theamountofCr3+ produced is

measured.Theresultsaremeasuredastheamountofoxygen(O2)consumedperliterof

water sample. The LR and MR test is displayed in mg/L while the HR test shows g/L.

TheCODreagentcontainsbothmercuryandsilver—themercurycontrolschloride

interferencesandthesilverfunctionsasacatalysttospeedthereaction.

Application:

Samplescanbemeasuredifthechloridecontentdoesnotexceed1,000mg/l(LR/MR)or10,000mg/l

(HR).

Inexceptionalcases,compoundscontainedinthewatercannotbeadequatelyoxidized.Thisresults

inlowreading,comparedwiththereferencemethod.

Differentmethodsofsampling,preparationofthesampleitselfandthetimeelapsedbetweentaking

thesampleandanalysiscanallaffecttheobtainedresults.

General Notes

Replacement of batteries:

CAUTION:

Toensurethattheinstrumentiswaterproof:

• sealring(E)mustbeinposition

• batterycompartmentcover(B)mustbexedwiththefourscrews

Ifthebatteriesareremovedformorethanoneminutethedateandtimemenustartsautomaticallywhen

the photometer is turned on the next time.

AAA/LR 03

AAA/LR03

(D)batteries

(E) seal ring

(F)instrumentback

(B)batterycompartmentcover

(A) screws

ENGLISH

Pressthe[!]keytoturnthedisplaybacklightonoroff.Thebacklightisautomati-

callyturnedoffduringthemeasurement.

Iftheinstrumentisturnedon,pressthe[!]keyformorethan

4 seconds to access the recall menu.

Recall of stored data

Display backlight

Methods

COD Reagents

Selecttheappropriatevialforthedesiredrange*:

LR-Range:  0–150mg/l,partnumber251990Y,25count   

MR-Range:  0–1500mg/l,partnumber251991Y,25count  

HR-Range:  0–15000mg/l,partnumber251992Y,25count

*Reagents are also availble in 150 count packages.

Preparing the Sample

Openareactionvialwithawhitecapandaddthespeciedvolume.

(Ensurethatappropriatepersonnelsafetyequipmentisused.)

LR-/MR: 2 ml water sample

HR: 0.2 ml water sample

Prepareablank(Note1)byusingdeionizedwater(TOC-free)insteadofthesample

(LR/MR: 2 ml, HR: 0.2 ml).

Replacethecaptightly.Invertthevialgentlyseveraltimestomixthecontents(Thevialwillbecome

hotduringmixing!)anddigestthevialsfor120minutesinthereactoratatemperatureof150°C.

Removethevialsfromthereactorandallowthemtocooldownto60°Corless.Mixthecontentsby

invertingeachvialseveraltimeswhilestillwarm.Thenallowthevialstocooltoambienttemperature

beforemeasuring.

Guidelines for photometric measurements

1. Runsamplesandblankswiththesamebatchofvials.

Theblankisstablewhenstoredinthedarkandcanbeusedforfurthermeasurementswithvials

fromthesamebatch.

2. Don‘tplacehotvialsintheadapter.Allowthevialstocooltoroomtemperaturefor

a minimum 45 minutes. It is recommended to leave the vials to cool over night.

3. Suspended solids in the vial lead to incorrect measurements. For this reason it is important to place

thevialscarefullyintheadapter.Theprecipitantatthebottomofthesampleshouldnotbe

suspended.

4. Cleantheoutsideofthevialswithatoweltoremovengerprintsorothermarks

5. Avoidspillageofwaterorreagentsolutionintothesamplechamberbecausethiscanleadtoincor-

rect test results.

6. Contaminationofthetransparentcellchambercanresultinincorrectreadings.Checkatregularin-

tervalsand–ifnecessary–cleanthetransparentcellchamberusingamoistclothorcottonswab.

7. Largetemperaturedifferencesbetweentheinstrumentandtheenvironmentcanleadtoerrors–

e.g.duetotheformationofcondensationinthecellchamberoronthevial.

8. Toavoiderrorscausedbystraylightdonotusetheinstrumentinbrightsunlight.

ENGLISH

Measurement

Fixtheadapterfor16mmvialsonthesamplechamber.

Turntheunitonusingthe[ON/OFF]key.

Thedisplayshowsthefollowing:

Selecttherequiredtestusingthe[MODE]key.

Scroll Memory (SM)

Toavoidunnecessaryscrollingfortherequiredtestrange,theinstrument

memorizes the last rangeusedbeforebeingturnedoff.Whentheinstrumentis

turned on again, the scroll list comes up with the last used test range.

Thedisplayshowsthefollowing:

Placetheblankintheadapter(Note1–4)makingsurethatthe

marks are aligned.

Blanksarespeciallypreparedforeachindividualtestrange.

Pressthe[ZERO/TEST]key.

The“Range“symbolashesforapprox.8seconds.

Thedisplayshowsthefollowing:

Afterzeroingremovethevialfromtheadapter.

Placethesampleintheadapter(Note2–4)makingsurethatthe

marks are aligned.

Pressthe[ZERO/TEST]key.

The“Range“symbolashesforapprox.3seconds.

The result appears in the display.

LR-/MR-range: in mg/l

HR-range: in g/l

The result is saved automatically.

Tolerance:±3.5 %(fullscale)

Repeating the test:

Pressthe[ZERO/TEST]keyagain.

New zero calibration:

Pressthe[ZERO/TEST]keyfor2seconds.

RANGE

Off

Zero

Test

Mode

RANGE

0.0.0

RESULT

RANGE

Zero

Test

Zero

Test

Zero

Test

Menu Options

Menu selections

Pressthe[MODE]keyandhold.

Turntheunitonusingthe[ON/OFF]key.

Allowthe3decimalpointstobedisplayedbeforereleasingthe[MODE]key.

The[!]keyallowsforselectionofthefollowingmenupoints:

diS recall stored data

Prt printing stored data

setting the date and time

   usercalibration

Theselectedmenuisindicatedbyanarrowinthedisplay.

1diS – Recall of stored data

Afterconrmingtheselectionwiththe[MODE]keythephotometershowsthelast

16datasetsinthefollowingformat(automaticallyproceedsevery3secondsuntil

result is displayed):

Number nxx(xx:16...1)

Year YYYY (e.g. 2010)

Date mm.dd (monthmonth:dayday)

Time hh:mm (hourhour:minuteminute)

Range Range

Result x.xx

The[ZERO/TEST]keyrepeatsthecurrentdataset.

The[MODE]keyscrollsthroughallstoreddatasets.

Exitthemenubypressing[!]key.

Off

Mode

Time Cal

Store Date

3 4

Mode

Zero

Test

diS

Time Cal

Store Date

ENGLISH

E 132

1Prt – Transmitting stored data (to Printer or PC)

Note: To print data, or to transmit to a PC, the optional Series 900 Data Hub(Inf-

raredInterfaceModule)isrequired.

The Series 900 Data Hubandtheconnectedprinter/PCmustbeready.Press

the[MODE]keytostartthetransmitting,theinstrumentdisplays“PrtG”(Printing)

forapprox.1secondfollowedbythenumberoftherstdatasetanditstransmis-

sion.Alldatasetswillbetransmittedoneaftertheother.Afternishingtheinstru-

ment returns to test mode.

Theprintjobcanbecancelledbypressingthe[On/Off]key.Theinstrumentturns

off.

IftheinstrumentisnotabletocommunicatewiththeIRiM,atimeoutoccursafter

approx.2minutes.TheerrorE132isdisplayedforapprox.4seconds.Subse-

quently, the instrument returns to test mode (see also IRiM manual).

2Setting date and time (24-hour-format)

Afterconrmingtheselectionwiththe[MODE]keythevaluetobeeditedwillbe

shownfor2sec.

Thesettingstartswiththeyear(YYYY)followedbytheactualvaluetobeedited.

Thesameappliesformonth(mm),day(dd),hour(hh)andminutes(mm).Setthe

minutesrstinstepsof10,pressthe[!]keytocontinuesettingtheminutesin

stepsof1.

Increasethevaluebypressingthe[MODE]key.

Decreasethevaluebypressing[ZERO/TEST]key.

Proceedtothenextvaluetobeeditedbypressing[!]key.

Aftersettingtheminutesandpressingthe[!]keythedisplaywillshow“ISSET”

and the instrument returns to the measurement mode.

Off

PrtG

Prt

Store Date

Time Cal

Mode

SET

DATE

YYYY

(2 sec.)

Mode

Zero

Test

Time Cal

Store Date

Calibration Mode

4User calibration (cAL)

Afterconrmingtheselectionwiththe[MODE]keytheinstrumentwill

show CAL/LR.

Scrollthroughrangesusingthe[MODE]key.

Placetheblankintheadaptermakingsurethatthemarks are aligned.

Pressthe[ZERO/TEST]key.

The“Range“symbolashesforapprox.8seconds.

Thedisplayshowsthefollowinginalternatingmode:

Performmeasurementwithastandardofknownconcentrationasdescribed.

Pressthe[ZERO/TEST]key.

The“Range“symbolashesforapprox.3seconds.

The result is shown in the display, alternating with CAL.

Ifthereadingcorrespondswiththevalueofthecalibrationstandard(withinthe

speciedtolerance),exitcalibrationmodebypressingthe[ON/OFF]key.

Changing the displayed value:

Pressingthe[MODE]keyonceincreasesthedisplayedvalueby1digit.

Pressingthe[ZERO/TEST]keyoncedecreasesthedisplayedvalueby

1 digit.

Pressthecorrespondingkeyuntilthereadingequalsthevalueofthecalibration

standard.

Bypressingthe[ON/OFF]key,thenewcorrectionfactoriscalculatedandstored

intheusercalibrationsoftware.

Conrmationofcalibration(3seconds).

Note:TheinstrumentcalibrationintherangeMRisautomaticallytakenalsofor

HR.

usercalibration(Displayincalibrationmode)

factorycalibration(Displayincalibrationmode)

CAL

cAL

Time Cal

Store Date

Cal

CAL

0.0.0

CAL

Zero

Test

Zero

Test

RANGE

CAL

RESULT

+ x

CAL

Mode

Off

Zero

Test

: :

RESULT

Indice

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