Omega Engineering 873C Manuale utente

r\:OMEGA

^^^^HFiyniiyFFDii\iGiiur

EIMGIIMEERIIMCIIMC.

In0>lf."f»t lirwupCompany

MODEL873

HandHeldDigital

Thermometer

Operator'sManual

WARRANTY

OI\^EGAwarrantsthisunittobefreeofdefectsinmaterialsandworkmanship

and

givesatisfactoryservicefor

periodof

one(1)

year

from

dateofpurchase.

Iftheunitsfiouldmalfunction,itmustbereturnedtottiefactoryforevaluation.

OurCustomerServiceDepartmentwillissue

AuthorizedReturn(AR)number

immediatelyuponphoneorwrittenrequest.UponexaminationbyOMEGA,it

theunitisfound tobedefectiveitwillberepairedorreplacedatnocharge.

However,thisWARRANTYisVOIDiftheunitshowsevidenceofhavingbeen

tamperedwithorshowsevidenceofbeingdamagedasa resultofexcessive

current,heat,moisture,vibration,ormisuse,(Componentswhichwearorwhich

aredamagedbymisusearenot

warranted.

Theseincludecontact

points,

fuses,

andtriacs.

THEREARE

WARRANTIESEXCEPTASSTATED

HEREIN.

THEREARENO

OTHERWARRANTIES,EXPRESSEDORIMPLIED,INCLUDINGBUTNOT

LIMITEDTOTHEIMPLIEDWARRANTIESOFMERCHANTABILITYANDOF

FITNESSFORA PARTICUUR PURPOSE.INNOEVENTSHALLOMEGA

ENGINEERING,INC.BELIABLEFORCONSEQUENTIAL,INCIDENTALOR

SPECIAL

DAMAGES.

THEBUYER'S

SOLE

REMEDY

FOR

ANY

BREACHOFTHIS

AGREEMENTBYOMEGAENGINEERING,INC.ORANYBREACHOFANY

WARRANTYBYOMEGAENGINEERING,INC.SHALLNOTEXCEEDTHE

PURCHASE

PRICEPAIDBYTHE

PURCHASER

TOOMEGA

ENGINEERING,

INC.

FORTHEUNITORUNITSOREOUIPMENTDIRECTLYAFFECTEDBYSUCH

BREACH.

ReturnRequests/Inquiries

Directallwarrantyandrepairrequests/inquiriestoOMEGACustomerService

Department,telephonenumber

(203)

359-1660.

Beforereturninganyinstrument,please

contacttheOMEGACustomerServiceDepartmenttoobtainanauthorizedreturn(AR)

numtier.ThedesignatedARnumber

should

thenbemarked

theoutsideof

the

return

package.

Toavoidprocessingdelays,alsopleasebesuretoInclude:

Returnee'sname,address,andphonenumber.

ModelandSerialnumbers.

3.Repairinstructions.

i^OMEGA

A..^H

ENGiniEERING,

IIMC

OneOmegaDrive,Box4047

Stamford,

Connecticut06907-(X)47

(203)359-1660Telex:996404Cable:OMEGA

FAX:(203)359-7700

OMEGA'-'isa registeredtrademarkofOMEGAENGINEERING,INC.

illustrations.Nothinginthismanualmaybereproducedinanymanner,eitherwholly

orinpartforanypurposewhatsoeverwithoutwrittenpermissionfrom

OMEGAENGINEERING,INC.

Printedin

U.S.A.

M230/025

TABLEOFCONTENTS

GENERALINFORMATION1

UnpackingandInspection1

OptionalAccessories2

PreparationforUse3

SafetySymbols

and

Terms4

EnvironmentalConditions4

OPERATION5

SafetyPrecautions6

SERVICINGINFORMATION9

FunctionalityCheck9

PerformanceVerification9

EnvironmentalConditions10

DisassemblyInstructions10

BatteryInstallation/Replacement12

Calibration13

ProbeMatching15

Troubleshooting...:15

SpecialHandlingofStaticSensitiveDevices18

ComponentLayout21

SchematicDiagram23

GENERALINFORMATION

TheOI^EGA®IVIodels873Cand873FareHandHeldDigitalThermo-

meters.Bothinstrumentshavelargeeasytoreadliquidcrystaldisplays

(LCD).

Theinputconnectionconsistsof

subminiature,type

thermo-

couple,femaleconnector(SMP-K-F).Thisinputaccommodatesany

OMEGAtype

thermocoupleprobefittedwithanSMP-K-Mconnec-

tor.Coldjunctionelectroniccircuitry

the873F/873Cautomatically

compensatesforambienttemperaturechanges.Theseinstruments

alsoprovidepiece-wiselinearizationconformityforthermocouplenon-

linearity.Theinstrumentsarepoweredbya 9Vbattery.Continuous

operationof350hoursistypicalwithanalkalinebatteryor200hours

typicalwithacarbon-zincbattery.

TheModel873Cmeasurestemperaturefrom- 55°Cto1000°Con

tworanges.The200°Crangemeasurestemperaturefrom-55.0°Cto

199.9°Cwitha resolutionof0.1°C.The1000°Crangemeasures

temperaturefrom-55°Cto1000°Cwitha resolutionof1°C.Theac-

curacyis± (0.25%rdg

-i-

1.0°C)

from-40°Cto1000°Cand± (0.25%

ofrdg-l-2°C)for-40°Cto-55°C.

TheModel873Fmeasurestemperaturefrom- 60°Fto200°F

two

ranges.The200°Frangemeasurestemperaturefrom-60.0°Fto

199.9°Fwitha resolutionof0.1°F.The2000°Frangemeasures

temperaturefrom-60°Fto1999°Fwitha resolutionof1°F.Theac-

curacyoftheModel873°Fis±(0.25%ofrdg-i-2.0°F).

UNPACKINGANDINSPECTION

RemovethePackingListandverifythatallequipmenthasbeen

received.

Ifthereareanyquestionsabouttheshipment,pleasecall

OMEGACustomerServiceDepartmentat(203)359-1660.

Uponreceiptofshipment,inspectthecontainerandequipmentfor

anysignsofdamage.Takeparticularnoteofanyevidenceofrough

handlingintransit.Immediatelyreportanydamagetotheshipping

agent.

NOTE

Thecarrierwillnothonoranyclaimsunlessallshipping

materialissavedfortheir

examination.

Afterexaminingand

removingcontents,savepackingmaterialandcartoninthe

eventreshipmentisnecessary.

OPTIONALACCESSORIES

Thefollowingoptionalaccessoriescan

usedwiththeModels873C

and873Ftoenhancetheperformanceoftheinstrument.These

accessoriesareavailable:

PartNumber

KS871

SC800

880A2

MN1604

SMP-K-M

SMP-K-F

OT-201-1

Description

TiltStand/BeltClip/ProbeHolder;can

beusedasatiltstandorclippedto

yourbelt.Itwillholdonecompact

probe.

SoftCarryingCase

DeluxeCarryingCase

9VReplacementBattery

SubminiatureThermocoupleConnec-

tor,Male

SubminiatureThermocoupleConnec-

tor,Female

1ozjarofHighThermalConductivity

Pasteforfastsurfacemeasurements.

PREPARATIONFORUSE

TheModels873Fand873Caresuppliedreadyforusewithbattery

installed.

ConnecttheappropriateprobetotheminiatureTCconnec-

torlocatedonthetopoftheinstrument(justabovethedisplay).

SAFETYSYMBOLSANDTERMS

Thesymbol/!\ontheinstrumentdenotesthattheusershouldrefer

totheopjeratinginstructions.

TheWARNINGusedinthismanualexplainsdangersthatcouldresult

inpersonalinjuryordeath.

TheCAUTIONusedinthismanualexplainshazardsthatcould

damagetheinstrument.

ENVIRONMENTALCONDITIONS

OperationoftheModels873Cand873Fshouldtakeplaceat

am-

bienttemperatureof-10°Cto50°C(14°Fto122°F),lessthan80%

relativehumidityupto35°C,lineariyderate3%

R.H./C

from35°Cto

60°C.

OPERATION

The873Cand873FHandHeldDigitalThermometersareeasytouse

Thereisonlyonecontrol(locatedonthesideoftheinstrument)that

turnstheinstrumenton/offandselectstherange.(SeeFigures

and

2).

Usethefollowingproceduretooperatetheinstrument:

Turnonthepowertotheinstrumentbyselectingthedesiredrange.

Model873C:

A.200°CrangeisthecenterpositionoftheON/OFFrangeswitch.

B.1000°CrangeistheupperpositionoftheON/OFFrangeswitch.

Model873F:

A.200°FrangeisthecenterpositionoftheON/OFFrangeswitch.

B.2000°FrangeistheupperpositionoftheON/OFFrangeswitch.

Selecttheappropriatetemperatureprobeandinsertitintotheinput

jack.

3.Makethemeasurement:

A.Touchtheprobetiptothematerialtobemeasured.

B.Readthedisplay.ThereadingisinCelsiusfortheModel873C.

ThereadingisinFahrenheitfortheModel873F.

NOTE

Anopensensororoverrangeconditionisindicatedby:

CAUTION

Donotattempttomeasuretemperaturesbeyond

therangeoftheprobebeingused.Probedamage

mayoccur.

WARNING

AshockhazardexistsontheModels8730and873F

Inputjackswhenprobes

sensorsareexposed

voltagelevelsgreaterthan42Vpeaktoearthground.

SAFETYPRECAUTIONS

Donottouchtheprobetipwhenmeasuringexcessivelyhighorlow

temperature.

Donotexceed42Vpeakfromtheprobetiporinputjacktoearth

ground.

MiniatureTCConnector

LowBatteryIndicator

MinusSignDisplayed

•

PlusSignImplied

3V4DigitDisplay—

On/OffRangeSwitch

OMEGA873CTHERMOMETER

BAT

-loao

200

TYPE

THEHMOCOUPLE

NiCr-N<AI

RANOE:

-IB'C

lOOO'C

^42VMAX

Figure1.Model873CControlLayout

MiniatureTCConnector

LowBatteryIndicator^

MinusSignDisplayed-

PlusSignImplied

VADigitDisplay-

On/OffRangeSwitch

OMEGA873FTHEHMOMETER

rDMI

-\QO.U

TYPE

THEIIMOCOUPI.E

NiCr-NiAl

RANOE.

-tO'E

2000*F

A42VMAX

Figure2.Model873FControlLayout

SERVICINGINFORMATION

ThissectioncontainsinformationneededtomaintaintheModels

873Cand873RThefollowinginformationisincluded:functional

check,performanceverification,disassemblyinstructions,batteryin-

stallation/replacement,calibration,probematching,troubleshooting,

partslist,schematicdiagramandcomponentlayout.

WARNING

Theinformationpresentedinthissectionisin-

tendedforusebyqualifiedpersonnelonly.Turnoff

thepowerandremoveallprobesfromtheinstru-

mentbeforereplacingthebattery.

FUNCTIONALITYCHECK

Atroomtemperatureholdthetipofa probesensorbetweenyour

thumbandindexfinger.A readingbetween25°Cand40°C(77°Fand

104°F)shouldbeobservedtoconfirmfunctionalityoftheinstrument.

PERFORMANCEVERIFICATION

AccuracyCheck

Preparea distilledwatericebathoruseanOMEGA*TRCIIIIce

PointReferenceChamber.

Connecta TCprobetotheinputjackoftheinstrument.

3.ImmersetheTCprobeintotheTRCIIIordistilledwatericebath

andallow10minutesforthermalstabilization,

TurnontheinstrumentanduseTable

toverifythatthereadings

oneachrangearewithinspecifications.

Table1.PerformanceVerification

Range

200

1000

2000

873°C

0.0± 1°C

0± 1°C

873°F

32,0± 2°F

32± 2°F

ENVIRONMENTALCONDITIONS

TheModels873Cand873Fshouldbeatanambienttemperatureof

23°C±1°Canda relativehumidityoflessthan80%.

DISASSEMBLYINSTRUCTIONS

WARNING

Turnofftheinstrumentanddisconnectthe

temperatureprobebeforeremovingthebottom

cover.

NOTE

Whendisassemblingtheinstrument,handlethePC

boardbytheedges.Body

oil,

dirt,etccandegradecircuit

performance.KeepthePCboardcleanandfreeof

con-

taminants.

Placetheunitfacedownona benchorothersimilarsurfaceand

removethescrewsfromthebottomcover.

Separatethebottomcoverfromtherestoftheinstrumentby

graspingthetopofthecase(justabovethedisplay)andcarefully

liftingitawayfromthedisplay.

3.Removethebattery.

Removethestandoff(ST-166-1)thatsecuresthePCboardtothe

case.

ThestandoffislocatedinthecenterofthePCboard.

5.Removetheswitchcap.

6.LiftthePCboardoutofthetopcover(frontpanel)

7.Removetheshield.

8.TheLCDisheldinplaceonthePCboardbya shockresistant

mountingandisassembledasshowninFigure3.

9.Toreassembletheunit,reversetheaboveprocedure.

CAUTION

Whenremovingthe

LCD

fromthePCboardbecareful

nottospreadthefourretaininghooks

theclearplastic

bezelouttoofar.Theplasticbezelhooksmayfracture.

Questo manuale è adatto per i seguenti modelli

Indice

Altri manuali Omega Engineering Termometro

Omega Engineering

Omega Engineering CL3512A Manuale utente

Omega Engineering

Omega Engineering OS520 Manuale utente

Omega Engineering

Omega Engineering HH64A Manuale utente

Omega Engineering

Omega Engineering HH65 Manuale utente

Omega Engineering

Omega Engineering OS768-LS Manuale utente

Omega Engineering

Omega Engineering DialtempTM A Manuale utente

Omega Engineering

Omega Engineering OS561 Manuale utente

Omega Engineering

Omega Engineering GP901 Series Manuale utente

Omega Engineering

Omega Engineering HH806U Manuale utente

Omega Engineering

Omega Engineering HH801B Manuale utente

Omega Engineering

Omega Engineering OS836 Series Manuale utente

Omega Engineering

Omega Engineering M4549/0711 Manuale utente

Omega Engineering

Omega Engineering OSXL450 Manuale utente

Omega Engineering

Omega Engineering HH501BJ Manuale utente

Omega Engineering

Omega Engineering J DIALTEMPTM M0102 Manuale utente

Omega Engineering

Omega Engineering HH2100 Series Manuale utente

Omega Engineering

Omega Engineering OS562 Manuale utente

Omega Engineering

Omega Engineering OMEGASCOPE OS523 Manuale utente

Omega Engineering

Omega Engineering HH11B Manuale utente

Omega Engineering

Omega Engineering M1982/0902 Manuale utente

Omega Engineering

Omega Engineering CYD201 Manuale utente

Omega Engineering

Omega Engineering HH-2100 Series Manuale utente

Omega Engineering

Omega Engineering HH82A Manuale utente

Omega Engineering

Omega Engineering HH-25 Manuale utente

Manuali Termometro popolari di altre marche

Delton

Delton 981A Manuale utente

Baker

Baker MM2P Manuale utente

Tarmo

Tarmo 320281 Manuale utente

Citizen

Citizen CTD 504 Manuale utente

TFA

TFA 14.1500 Manuale utente

Vive

Vive DMD1010 Manuale utente

Gotemp

Gotemp THB4002 Manuale utente

GREISINGER

GREISINGER G 1202 Manuale utente

Amprobe

Amprobe TMD-53W Manuale utente

Trotec

Trotec BP10 Manuale utente

Radiance instruments

Radiance instruments RT616 Series Manuale utente

Eurolec

Eurolec IR151 Manuale utente

Scaneo

Scaneo TS42B Manuale utente

Sper scientific

Sper scientific 800043 Manuale utente

Microlife

Microlife NC 200 Manuale di istruzioni

Motorola

Motorola MBP69SN Guida alla configurazione

The MeatStick

The MeatStick The MeatStick Manuale utente

Hama

Hama TH35-A Manuale utente