温湿度数据记录器型号 42280 用户指南

UserGuide

TemperatureandHumidityDatalogger

Model42280

Introduction

CongratulationsonyourpurchaseoftheExtech42280ThermometerandRelativeHumidityDatalogger.The42280isawall-mount,tripodmount,ordesktopindoorairqualitymonitorwithaninternalmemorycapableofstoring16,000readings(8000temperaturereadingsand8000relativehumidityreadings)thatcanlaterbetransferredtoPCusingtheUSBinterface.Real-timemeter-to-PCloggingisalsosupported.Thismeterisshippedfullytestedandcalibratedand,withproperuse,willprovideyearsofreliableservice.

Materiallist

SuppliedMaterials

ƒMeter

ƒUserGuide

ƒUSBcable

ƒProgramCD

ƒFour(4)batteries;1.5V‘AA’

Optionalaccessories

ƒ9Vadaptor

ƒCalibrationbottles(33%and75%)forRelativeHumidityCalibration

Features

ƒLargeLCDdisplayshowstemperature,humidity,anddate/timeclocksimultaneouslyƒ16,000internalmemorycapacity(8000temperature;8000RH%)

ƒVisualandAudible(with117VACadaptoronly)Alarms

ƒEasilyconfiguredataloggerthroughthekeypadorviaPCinterface

ƒUSBPCinterfacewithWindowsTMsoftware

ƒWallmount,tripodmount,orfordesktopuse

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Description

MeterDescription

HumiditySensor(internalTemperaturesensor)

Audiblealarm(withACadaptorpoweronly)

VisualAlarmLED

RelativeHumiditydisplay

DateandTimedisplay1

Temperaturedisplay

RECORDstatusLED

USBport

910..DACataAlodgagpetorrSjaTcAkRT-STOP4368

2

7button59

MODEbutton

SETbutton

UpArrowbutton

15

DownArrowbutton1011121314

Tripodmountjack

Notes:Thebatterycompartmentislocatedonrearofinstrument.Desktopstandfooters

arenotshownindiagram.

LCDDisplayDescription

TemperatureDisplay2DP

DewPointicon3REC1

Dataloggericon

6

DateandTime%5

HumidityDisplay4Y-M-D

LowbatteryiconH:M:S

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Operation

ImportantNotebeforestarting

Thismeterreliesonfirmbuttonpressestooperatecorrectly.Besuretopressfirmlyandholdthebuttonforaslongasdirectedintheinstructions.

MeterPower

Themeterispoweredbyfour(4)‘AA’1.5Vbatteriesorthe117VACadaptor.

WhenthebatteriesareinstalledortheadaptorisconnectedtoanACpowersource,momentarilypresstheSTART-STOPbuttontoturnthemeterON.

PresstheSTART-STOPbuttonagaintoturnthemeterOFF.

Viewingthedisplayedreadings

Normally,thetoplineindicatestemperatureindegreesCorF.UsetheMODEbuttontoswitchbetweendegreesCanddegreesF.

PressandholdtheMODEforatleast2seconds.ThiswillchangethetopdisplaytoDewPointtemperature.The‘DP’iconwillappearontheLCDwheninDewPointmode.PressandholdtheMODEbuttonforatleast2secondstoreturnthetopdisplaytothenormaltemperaturedisplaymode.

ThemiddlelinedisplaysRelativeHumidityin%.

ThebottomlineautomaticallyalternatesbetweenTimeandDatedisplays.

IftheALMstatusLEDilluminatesandthedisplayflashes,oneoftheAlarmlimitshasbeenreached.ProgramtheHighandLowTemperature/HumiditylimitsinProgrammingparameterP5(detailedlaterinthisuserguide).

DataloggerBasics

TheModel42280hasabuilt-inDataloggerthatcanstoreupto8000temperatureand8000humidityreadings.ReadingscanbestoredinthemeterandtransferredatalatertimetoaPC.Themetercanalsodisplayreal-timereadingsonaconnectedPC;inotherwords,thePCcandisplayreadingsattheinstantthereadingsaretaken.

Themetermustbeconfiguredbeforedataloggingcanbeattempted.ParameterssuchasRealTimeClockandDataloggerSampleRatemustbeprogrammedbeforedataloggingcanbegin.Itisstronglyrecommendedthattheusertakeadvantageofthesuppliedsoftwaretoconfigurethemeter.Instructionsformanuallyconfiguringthemeterareprovidedbelow;howeverconfiguringthemeterviasoftwareisveryconvenient.

BasicinstructionsforconnectingthemetertoaPCandgettingstartedwiththesuppliedsoftwareareprovidedlaterinthisguide.DetailedinstructionsregardingthesuppliedsoftwareareprovidedinaseparatemanualincludedonthesuppliedCD-ROMandtheHELPutilityinthesoftwareprogram.

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ManualProgramming

TheModel42280hasseveralprogrammingmodes(P1,P2,P3,P4,P5,andP6).TheseparametersmustbeprogrammedbeforetheDataloggerortheAlarmcanbeused.

ListofProgrammingModes

P1-Numberofsamplestorecord(1,2,4,8,12,or16x1000;1=1000,2=2000,etc.)P2-DataloggingStartMethods(Immediate,Keypad,Scheduled,andRepeatmodes)

P3–StartTime(setthetimeanddatewhenDataloggingwillautomaticallybegin);

NotethatP3willnotappearinthemenuif‘SCh’isnotselectedinP2.

P4-SampleRate(setthedataloggingintervalfrom1secondupto12hours)P5-AlarmMode(setHighandLowTemperature/Humiditylimits)

P6-RealTimeClock(setthemeter’sinternaldateandtimeclock)

ProgrammingModeP1;Numberofreadings(samplepoints)torecord

PresstheSETbuttontoaccessthesetupmode

UsethearrowbuttonstoselectparameterP1(seesampledisplaybelow)

PresstheSETbuttonagain

Usetheup/downarrowbuttonstoselectthedesirednumberofsamples(inthousands)torecordforadataloggingsession(1,2,4,8,12,or16;where1=1000,2=2000,4=4000,andsoon)

PresstheSETbuttontosavesetting

UsethearrowbuttonstoselectanotherprogrammingmodeorpressMODEtoexittheprogrammingmode.

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ProgrammingModeP2;DataloggerStartModes

PresstheSETbuttontoaccessthesetupmode

UsethearrowbuttonstoselectparameterP2

PresstheSETbuttonagain

SelectoneofthefourStartmodesusingtheup/downarrowbuttons(seelistanddiagrambelow)

rEp(RepeatStartmode):LoggerstartsoncereadingsaredownloadedtoPC

hEy(KeypadStart):DataloggingbeginsaftertheSTART/STOPbuttonisheldfor2seconds

imm(ImmediateStart):Recordingstartsimmediatelyafterexitingthesetupmode

SCh(ScheduledStart):Loggingbeginsatapresetdateandtime

PresstheSETbuttontosavethesetting

UsethearrowbuttonstoselectanotherprogrammingmodeorpressMODEtoexittheprogrammingmode.

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ProgrammingModeP3;DatalogStartTime

NotethatparameterP3willonlybevisibleiftheStartMODEissettoSHCEDULE(ParameterP2setto‘SCh’).

PresstheSETbuttontoaccessthesetupmode

UsethearrowbuttonstoselectY-M-DparameterP3

PresstheSETbuttonagain

Usetheup/downarrowbuttonstoset

theyearY-M-D

Y-M-D

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosetmonth

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosetH:M:SH:M:Stheday

PresstheSETbuttonagain

Useup/downbuttonstosetthehours

H:M:S8

PresstheSETbuttonagain

Useup/downbuttonstosettheminutes

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheseconds

PresstheSETbuttonagaintostorethesettings

PresstheMODEbuttontobackouttothetoplevelofthismenu.

UsethearrowbuttonstoselectanotherprogrammingmodeorpressMODEtoexittheprogrammingmode.

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ProgrammingModeP4;DataloggerSampleRate

PresstheSETbuttontoaccessthesetupmode

UsethearrowbuttonstoselectparameterP4

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosethours

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheminutes

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheseconds

H:M:S

H:M:SH:M:S

PressSETagaintostorethesettings

PresstheMODEbuttontobackouttothetoplevelofthismenu.

UsethearrowbuttonstoselectanotherprogrammingmodeorpressMODEtoexittheprogrammingmode.

ProgrammingModeP5;HighandLowAlarms

PresstheSETbuttontoaccessthesetupmode

UsethearrowbuttonstoselectparameterP5

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheHighTemperatureAlarmlimit

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheLowTemperatureAlarmlimit

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheHighHumidityLimit

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheLowHumidityLimit

PresstheSETbuttonagaintostorethesettings

PresstheMODEbuttontobackouttothetoplevelofthismenu.

UsethearrowbuttonstoselectanotherprogrammingmodeorpressMODEtoexittheprogrammingmode.

Note:TheACAdaptormustbeusedfortheaudiblealarmtosound

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ProgrammingModeP6;RealTimeClock

H:M:S

PresstheSETbuttontoaccessthesetupmode

UsethearrowbuttonstoselectparameterP6

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheyear

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosetmonth

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheday

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosetthehours

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheminutes

PresstheSETbuttonagain

Usetheup/downarrowbuttonstosettheseconds

PressSETagaintostoresthesettings

PresstheMODEbuttontobackouttothetoplevelofthismenu.

UsethearrowbuttonstoselectanotherprogrammingmodeorpressMODEtoexittheprogrammingmode.

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Datalogging

StartingaDataloggingsession

The42280canautomaticallystoreupto16,000readings(8000temperatureand8000humidity)forlatertransfertoPC.Programthecontroller,asdiscussedearlier,beforeDatalogging.IftheDataloggerhasnotbeenconfiguredatthispoint,configureasnecessary.Ifprogrammingiscomplete,continuewiththenextsection.

StartingtheDataloggerbypush-button(KeyMode)

ProgrammingmodeP2(DataloggingStartModes)mustbesettoKEY(hEy)modeforthismethod.

WhenP2issetto‘hEy’,pressandholdtheSTART-STOPbuttonfor2seconds.

TheRECfront-panelstatuslightwillblinkindicatingthatreadingsarecurrentlyrecordingattherateprogrammedinparameterP4(samplerate)

Tostoprecording,pressandholdtheSTART-STOPbuttonforatleast2seconds.TheRECstatuslightwillstopblinking.

StartingtheDataloggerinImmediateMode

ProgrammingmodeP2(DataloggingStartModes)mustbesetto‘Imm’modeforthismethod.

Whentheprogrammingmodeisexited,Dataloggerautomaticallybegins.

TheRECfront-panelstatuslightwillblinkindicatingthatreadingsarecurrentlyrecording.

Tostoprecording,pressandholdtheSTART-STOPbuttonforatleast2seconds.TheRECstatuslightwillstopblinking.

StartingtheDataloggerinScheduleMode

InScheduleModethemeterbeginsrecordingataspecificdateandtime,asprogrammedbytheuser.

ProgrammingmodeP2(DataloggingStartModes)mustbesetto‘SCh’modeforthismethod.

AftersettingP2to‘SCh’,setthedesiredtimeanddateinProgrammingModeP3(P3onlyappearsinthemenuwhen‘SCh’isselectedinP2.

Dataloggingwillstartattheprogrammeddateandtime.NotethattheRealTimeClock(ProgrammingModeP6)mustfirstbesettothecurrentdateandtime.

Whendataloggingbegins,theRECfront-panelstatuslightwillblinkindicatingthatreadingsarecurrentlyrecordingattherateprogrammedinparameterP4(samplerate)

Tostoprecording,pressandholdtheSTART-STOPbuttonforatleast2seconds.TheRECstatuslightwillstopblinking.

StartingtheDataloggerinRepeatMode

InRepeatModethemetersimplybeginsdataloggingagainafterreadingsaredownloadedtoaPC.Thisallowstheusertomaintainthesameprogrammingselectionstimeaftertime.DataloggingisindicatedbytheflashingREClightasdescribedintheotherStartModesabove.

Tostoprecording,pressandholdtheSTART-STOPbuttonforatleast2seconds.TheRECstatuslightwillstopblinking.

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ConnectingtheMetertoaPC

AUSBcableisprovidedwiththemeter.Oneendofthecableconnectstothemeter’sUSBjackandtheotherendconnectstoaUSBportonthePC.

RunningthesuppliedPCsoftware

ThesuppliedPCsoftwareisincludedonthesuppliedCD-ROM.InserttheCDintothecomputer’sCD-ROMdriveandfollowtheon-screenpromptsandinstructions.InthesoftwareCOMPORTSETTINGfield,selecttheCOMporttowherethemeterisconnected.

SoftwareDataloggingParameters

Fromthemainsoftwarescreen,selectLOGGERSETandsetthesamplerate,samplepoints,andstartmode.ThesearedescribedinsomedetailintheseparatesoftwaremanualandthesoftwareHELPutilityonthesuppliedCD-ROM.Remembertopress‘OK’afterchangingasettingtoensurethatthesoftwareprocessesthechanges.Themeterisnowreadytorecord.

TransferringreadingstoPC

Connectandrunthesuppliedsoftwareaspreviouslydescribed.

PresstheDOWNOADSTARTbuttononthemainsoftwarescreentotransferthereadings.

Theseparatesoftwareinstructionssuppliedinthesoftware’sHELPutilityexplainhowtoview,graph,save,exportandprintthedownloadeddata.

NOTE:TheSoftware’sHELPutilityprovidesin-depthsoftwareanddownloadinginstructions,whichisbeyondthescopeofthisuserguide;pleaserefertotheHELPutilityinthesuppliedsoftwareprogramfordetailedguidelinesandinstructions.

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HumidityCalibration

Turnonthemeterandplugthehumiditysensorprobeintothe33%CalibrationReferencebottle.

SimultaneouslypressandholdtheSTART-STOPandtheSETbuttonsforatleast2secondstoenterthe33%Calibrationmode.Thedisplay’32.8%’willbegintoflashonthedisplay.

Approximately30minuteslater,the’32.8%’displaywillstopflashing,indicatingthatthe33%calibrationiscomplete

Plugthehumiditysensorprobeintothe75%CalibrationReferencebottle.

PressandholdtheSTART-STOPbuttonforatleast2secondstoenterthe75%Calibrationmode.Thedisplay’75.3%’willbegintoflashonthedisplay.

Approximately30minuteslater,thedisplaywillstopflashing,indicatingthattheentirecalibrationiscomplete.Themeterwillautomaticallyreturntothenormaloperatingmode

%%

CalibrationNotes:

TheusercanexitthecalibrationwithoutfinishingbypressingtheSTART-STOPbuttonfor2seconds(beforereachingstep6above).

Forbestaccuracy,performthecalibrationatroomtemperature.

CalibrationReferencebottlesareavailableoptionallythroughExtechInstrumentsdistributors

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Specifications

GeneralSpecifications

DisplayMeasurementranges

ResolutionAccuracy

DataloggermemoryOverrangeindication

LowbatteryindicationPowersupply

Multi-functionLCDwithstatusLEDindicators

Temperature:-4to144oF(-20to70oC)

Humidity:0to100%

DewPointtemperature:-4to144oF(-20to70oC)

0.1oC/oF/%

Temp:+/-1.0°F(0.6°C)from32to122°F(0to50’C)

+/-2.0°F(1.2°C)outsideofthisrange

Humidity:+/-3%from10to90%(+/-5%outsideofthisrange)16,000total(8000temperatureand8000humidityreadings)

ErrorcodeappearsontheLCD(seeTroubleshootingsectionbelowforlistofcodes)

BatterysymbolappearsontheLCDFour(4)1.5v‘AA’batteries

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Troubleshooting

PowerisONbutthere’snodisplay

CheckthatthebatteriesortheACadaptorisinstalledandconnectedproperlyEnsurethattheSTART-STOPbuttonispressedfirmlyandforatleast100ms

CalibrationFailure

CheckthatthebatteriesortheACadaptorisinstalledandconnectedproperlyEnsurethatthecalibrationbottlesaretightlysealedaroundthemetersensorEnsurethatcalibrationtakesplaceatroomtemperature

FlashingLEDIndicators

RECflasheswhendataloggingtakesplace

ALMlightflasheswhenalarmlimithasbeenexceeded

ErrorCodes

E02-Underflowerror

E03-Overflowerror

E04-E02andE03combinederror

E11-CALerror(recalibrationrequired)

E32-ICread/writeerror.ReturnunitforrepairE33-CircuitError.Returnunitforrepair

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CalibrationandRepairSe