Extech Instruments SDL730 Manual de usuario

UserManual



HeavyDuty

DifferentialPressureManometer



ModelSDL730



AdditionalUserManualTranslationsavailableatwww.extech.com

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Introduction

CongratulationsonyourpurchaseoftheExtechSDL730PressureManometer.Thisdevice

measuresgaugeanddifferentialpressureintherangeof±100psi.Supportedmeasurement

unitsarembar,psi,Kg/cm2,mmHg,inchHg,metersofH2O,inchesofH2O,atmosphere,hPA,

andkPA.LoggeddatareadingsarestoredonanSDcardfortransfertoaPC.Thismeteris

shippedfullytestedandcalibratedand,withproperuse,willprovideyearsofreliableservice.

Pleasevisitourwebsite(www.extech.com)tocheckforthelatestversionofthisUserGuideand

CustomerSupport.



Safety

InternationalSafetySymbols

Thissymbol,adjacenttoanothersymbolorterminal,indicatestheusermustrefertothe

manualforfurtherinformation.



MeterDescription

1. P1Input(positive+)

2. P2Input(negative‐)

3. LCDDisplay

4. HOLDandBacklightkey

5. MAX‐MINkey

6. SETandClockkey

7. RS232outputjack

8. Resetbutton

9. PowerAdaptorjack

10. SDcardslot

11. ENTERandLOGkey

12. Downarrow▼key

(Press▼&▲keyatsametimetozero

meter)

13. Uparrow▲/UNITkey

(Press▼&▲keyatsametimetozero

meter)

14. PowerON‐OFFkey

Notes:Items7,8,and9arelocatedbehindthesnap‐offcompartmentcoveronmeter’srightside.

Batterycompartment,tiltstand,andtripodmountarelocatedontherearoftheinstrument.

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GettingStarted

PowerON‐OFF

Powerthemeterbypressingandholdingthepowerbuttonforatleast1.5seconds.

Pressandholdthepowerbuttonforatleast1.5secondstopowerOFFthemeter.

Thismeterispoweredbysix(6)1.5VDC‘AA’batteriesorbyoptionalACadaptor.Ifthe

meterwillnotswitchONpleasecheckthatfreshbatteriesareinstalledintherearbattery

compartmentor,inthecaseoftheACadaptor,checkthattheadaptorisconnected

correctlytothemeterandtoanACsource.

DisplayBacklight

ToturnthedisplaybacklightONorOFF,pressandholdthebacklight buttonforatleast1.5

seconds.ThemeterwillbeepwhenswitchingthebacklightONorOFFunlessthebeeperis

disabled.

UnitsofMeasure

Thecurrentlyselectedunitofmeasureisshownbelowthemeasurementvalueonthemeter’s

LCD.Tochangetheunitofmeasure,pressandholdtheUNITbuttonuntilthedesiredunitof

measureappearsandthenreleasetheUNITbutton.Themeterbeginsscrollingthroughthe

availableunitsofmeasure(seetablebelow)aftertheUNITbuttonhasbeendepressedforat

least1.5seconds.



UNITDISPLAYINDICATOR

psiPSI

InchHgInHg

InchH2OInH2O

hPAhPA

kPA_PA

BarbAr

Kg/cm2_gC2

mmHg‐‐Hg

MetersH2O‐tH2O

AtmospheresAtP

ZEROAdjustment

Tonull,orzero,thedisplayforaconnectedsensor,pressandholdtheupanddownarrow

keys foratleast1.5seconds.ThemeterwillshowCAL0onthebottomleftofthescreen.

DataHold

TofreezeadisplayedreadingontheLCD,momentarilypresstheHOLDbutton(theHOLDicon

willappearabovethereading).ToexitHOLD,presstheHOLDbuttonagain.

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SetupMode

Basicsettingsataglance

Toviewthecurrentconfigurationofthemeterwithregardtotime,date,anddatalogging

samplingratepresstheSETbuttonmomentarily.Themeterwillnowdisplaytheconfigurationin

quicksuccession.Iftheinformationismissedonthefirsttry,simplypresstheSETbuttonagain

untilalloftheinformationisnoted.

AccessingtheSetupmode

1. PressandholdtheSETbuttonforatleast1.5secondstoaccesstheSetupmenu.

2. PresstheSETbuttonmomentarilytostepthroughtheavailableparameters.Theparameter

typeisshownonthebottomoftheLCDandthecurrentselectionforthattypeisshown

aboveit.

3. Whenaparameterisdisplayedthatistobechanged,usethearrowkeystochangethe

setting.PresstheENTERbuttontoconfirmachange.

4. PressandholdtheSETbuttonforatleast1.5secondstoexittheSetupmode.Notethatthe

meterautomaticallyswitchesoutoftheSetupmodeifnokeyispressedwithin7seconds.

TheavailableSetupparametersarelistedbelow.Additionaldetailedinformationis

providedbelowthislist:



dAtE

Settheclock(Year/Month/Date;Hours/Minutes/Seconds)

SP‐t

Setthedataloggersamplingrate(Hours/Minutes/Seconds)

PoFF

Automaticpower‐offmanagement(Enableordisabletheauto‐poweroff

function)

bEEP

SetthebeepersoundON/OFF

dEC

Setthenumericalformat;USA(decimal:20.00)orEuropean(comma:20,00)

SdF

FormattheSDmemorycard

SettingtheClockTime

1. AccessthedAtEparameter.

2. Usethearrowkeystochangeavalue

3. UsetheENTERbuttontostepthroughtheselections

4. PressandholdtheSETbuttonforatleast1.5secondstoexittothenormaloperationmode

(orsimplywait7secondsforthemetertoautomaticallyswitchtothenormaloperating

mode).

5. Theclockwillkeepaccuratetimeevenwhenthemeterisswitchedoff.However,ifthe

batteryexpirestheclockwillhavetoberesetafterfreshbatteriesareinstalled.



SettingtheDataloggerSamplingTime(Rate)

1. AccesstheSP‐tparameter.

2. Thesamplingratecanbesetfrom‘0’seconds(manuallogmode)upto8hours,59minutes,

and59seconds.

(Datalosemayoccurwhenloggingata1secondrate)



3. UsetheENTERbuttontomovethroughtheHours,Minutes,andSecondsdigitgroupsand

usethearrowkeystochangethedigitvalues.

PresstheENTERbuttontoconfirmtheentry.



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5. PressandholdtheSETbuttonforatleast1.5secondstoexittothenormaloperationmode

(orsimplywait7secondsforthemetertoautomaticallyswitchtothenormaloperating

mode).



Enabling/DisablingtheAutoPowerOFFFeature

1. AccessthePoFFparameter.

2. UsethearrowbuttonstoselectONorOFF.WiththeAutoPowerOFFfeatureenabled,the

meterwillautomaticallyswitchOFFafter10minutesofinactivity.

3. PressENTERtoconfirmsetting.

4. PressandholdtheSETbuttonforatleast1.5secondstoexittothenormaloperationmode

(orsimplywait7secondsforthemetertoautomaticallyswitchtothenormaloperating

mode).

SettheBeeperSoundONorOFF

1. AccessthebEEPparameter.

2. UsethearrowbuttonstoselectONorOFF.

3. PressENTERtoconfirmsetting.

4. PressandholdtheSETbuttonforatleast1.5secondstoexittothenormaloperationmode

(orsimplywait7secondsforthemetertoautomaticallyswitchtothenormaloperating

mode).

NumericalFormat(commaordecimal)

EuropeanandUSAnumericalformatsdiffer.ThemeterdefaultstoUSAmodewhereadecimal

pointisusedtoseparateunitsfromtenths,i.e.20.00;TheEuropeanformatusesacomma,i.e.

20,00toseparateunitsfromtenths.Tochangethissetting:

1. AccessthedECparameter.

2. UsethearrowbuttonstoselectUSAorEUro.

3. PressENTERtoconfirmsetting.

4. PressandholdtheSETbuttonforatleast1.5secondstoexittothenormaloperationmode

(orsimplywait7secondsforthemetertoautomaticallyswitchtothenormaloperating

mode).

SDCardFORMATTING

1. AccesstheSdFparameter.

2. UsethearrowbuttonstoselectYEStoformatthecard(selectNOtoabort).Notethatall

dataonthecardwillbelostifformattingisattempted.

3. PressENTERtoconfirmselection.

4. PressENTERagaintore‐confirm.

5. Themeterwillautomaticallyreturntothenormaloperatingmodewhenformattingis

complete.Ifnot,pressandholdtheSETbuttonforatleast1.5secondstoexittothenormal

operationmode.



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SystemReset

Ifthemeter’skeysbecomeinoperableorifthedisplayfreezestheResetbuttoncanbeusedto

resettheinstrument.

Useapapercliporsimilaritemtomomentarilypresstheresetbuttonlocatedonthelower

rightsideoftheinstrumentunderthesnap‐offcompartmentcover.

AfterpressingtheResetbutton,switchtheinstrumentONbypressingandholdingthe

POWERkeyforatleast1.5seconds.Ifusingthepoweradaptorunplugtheadaptorandthen

plugitbackinagaintopowerthemeter.

Max‐MinReadingRecord

Foragivenmeasurementsession,thismetercanrecordthehighest(MAX)andthelowest(MIN)

readingsforlaterrecall.

1. PresstheMAX‐MINbuttonmomentarilytoaccessthismodeofoperation(RECicon

appears)

2. ThemeterisnowrecordingtheMAXandMINreadings.

3. PresstheMAX‐MINbuttonagaintoviewthecurrentMAXreadings(MAXiconappears).

ThereadingsonthedisplayarenowthehighestreadingsencounteredsincetheRECicon

wasswitchedon(whentheMAX‐MINbuttonwasfirstpressed).

4. PresstheMAX‐MINbuttonagaintoviewthecurrentMINreadings(MINiconappears).The

readingsonthedisplayarenowthelowestreadingsencounteredsincetheRECiconwas

switchedon(whentheMAX‐MINbuttonwasfirstpressed).

5. ToexittheMAX‐MINmode,pressandholdtheMAX‐MINbuttonforatleast1.5seconds.

Themeterwillbeep,theREC‐MAX‐MINiconswillswitchoff,theMAX‐MINmemorywill

clear,andthemeterwillreturntothenormaloperatingmode.

FittingsConnection

ConnecttubingtotheP1(+),P2(‐),orbothinputport(s).Ifbothinputsareused(differential

mode),themeterdisplaysapositivepressurereadingiftheP1(+)pressureisgreaterthanP2(‐)

andanegativereadingifP2(‐)isgreaterthanP1(+).

Datalogging

TypesofDataRecording

ManualDatalogging:Manuallylogupto99readingsontoanSDcardviapush‐buttonpress.

AutomaticDatalogging:AutomaticallylogdataontoanSDmemorycardwherethenumber

ofdatapointsisvirtuallylimitedonlybythecardsize.Readingsareloggedataratespecified

bytheuser.

SDCardInformation

InsertanSDcard(from1Gsizeupto16G)intotheSDcardslotatthebottomofthemeter.

Thecardmustbeinsertedwiththefrontofthecard(labelside)facingtowardtherearofthe

meter.

IftheSDcardisbeingusedforthefirsttimeitisrecommendedthatthecardbeformatted

andthelogger’sclocksettoallowforaccuratedate/timestampingduringdatalogging

sessions.RefertotheSetupModesectionforSDcardformattingandtime/datesetting

instructions.

7SDL730-en-GB_V1.0 12/16

EuropeanandUSAnumericalformatsdiffer.ThedataontheSDcardcanbeformattedfor

eitherformat.ThemeterdefaultstoUSAmodewhereadecimalpointisusedtoseparate

unitsfromtenths,i.e.20.00.TheEuropeanformatusesacomma,i.e.20,00.Tochangethis

setting,refertotheSetupModesection.

ManualDatalogging

InthemanualmodetheuserpressestheLOGbuttontomanuallylogareadingontotheSDcard.

1. Setthesamplingrateto‘0’secondsasdescribedintheSetupModesection.

2. PressandholdtheLOGbuttonforatleast1.5secondsandtheDATALOGGERiconwill

appearontheLCD;thelowerportionofthedisplaywillshowp‐n(n=memoryposition

number1‐99).NotethatifPSIissetastheunitofmeasureitappearsasP51(wherea‘5’is

usedasan‘S’)inthesameareaoftheLCDwherememorylocationsareshown.Thiscanbe

disorientingatfirst.

3. MomentarilypresstheLOGbuttontostoreareading.TheDATALOGGERiconwillflashand

thebeeperwillsound(ifsettoON)eachtimeadatapointisstored.

4. Usethe▲and▼buttonstoselectoneofthe99datamemorypositionsinwhichtorecord.

5. Toexitthemanualdataloggingmode,pressandholdtheLOGbuttonforatleast1.5

seconds.TheDATALOGGERiconwillswitchoff.

AutomaticDatalogging

Inautomaticdataloggingmodethemetertakesandstoresareadingatauser‐specifiedsampling

rateontoanSDmemorycard.Themeterdefaultstoasamplingrateoftwoseconds.Tochange

thesamplingrate,refertotheSetupModesection(thesamplingratecannotbe‘0’for

automaticdatalogging):

1. SelectthesamplingrateintheSetupModetoavalueotherthanzero.

2. PressandholdtheLOGbuttonforatleast1.5seconds.Themeterwillflashthe

DATALOGGERiconattheselectedsamplingrateindicatingthatreadingsarenowbeing

automaticallyrecordedtotheSDcard.

3. Ifacardisnotinsertedorifthecardisdefective,themeterwilldisplayEMPTYandexitthe

DATALOGGERmode.Inthiscase,switchthemeterOFFandtryagainwithavalidSDcard.

4. PausethedataloggerbypressingtheLOGbuttonmomentarily.TheDATALOGGERiconwill

stopflashingandthesampleratewilldisplayforashorttime.Toresumeloggingsimply

presstheLOGbuttonagainmomentarily.

5. ToterminatethedataloggingsessionpressandholdtheLOGbuttonforatleast1.5

seconds.

6. WhenanSDcardisusedforthefirsttimeafolderiscreatedonthecardandnamed

PMA01.Upto99spreadsheetdocuments(eachwith30,000readings)canbestoredinthis

folder.

7. WhendataloggingbeginsanewspreadsheetdocumentnamedPMA01001.xlsiscreatedon

theSDcardinthePMA01folder.ThedatarecordedwillbeplacedinthePMA01001.xls

documentuntil30,000readingsarereached.

8. Ifthemeasurementsessionexceeds30,000readings,anewdocumentwillbecreated

(PMA01002.xls)whereanother30,000readingscanbestored.Thismethodcontinuesfor

upto99documents,afterwhichanotherfolderiscreated(PMA02)whereanother99

spreadsheetdocumentscanbestored.Thisprocesscontinuesinthissamefashionwith

foldersPMA03throughPMA10(lastallowablefolder).

8SDL730-en-GB_V1.0 12/16

SDDataCardtoPCDataTransfer

1. Completeadataloggingsessionasdetailedaboveintheprevioussections.Hint:Forthe

firstfewtests,simplyrecordasmallamountoftestdata.Thisistoensurethatthe

dataloggingprocessiswellunderstoodbeforecommittingtocritical,largescale

datalogging.

2. WiththemeterswitchedOFF,removetheSDCard.

3. PlugtheSDCarddirectlyintoaPCSDcardreader.IfthePCdoesnothaveanSDcardslot,

useanSDcardadaptor(availableatmostoutletswherecomputeraccessoriesaresold).

4. PowerthePCandrunaspreadsheetsoftwareprogram.Openthesaveddocumentsinthe

spreadsheetsoftwareprogram(seeexamplespreadsheetdatascreenbelow).



Spreadsheetdataexample



ACPowerAdaptor

Thismeterisnormallypoweredbysix(6)1.5V‘AA’batteries.Anoptional9Vpoweradaptoris

available.Whentheadaptorisused,themeterispermanentlypoweredandthepowerbutton

willbedisabled.



9SDL730-en-GB_V1.0 12/16

HoseCouplings

Thismeterissuppliedwithapairofhosecouplings.Theyfit4.0mm(0.157”)tubing.

Seediagramonhowtoconnectthesecouplingstothehoseandthemeter.



10 SDL730-en-GB_V1.0 12/16

BatteryReplacementandDisposal

Whenthelowbatteryicon appearsontheLCD,thebatteriesmustbereplaced.Several

hoursofaccuratereadingsarestillpossibleinthiscondition;however,batteriesshouldbe

replacedassoonaspossible:

Removethetwo(2)Phillipsscrewsfromtherearofthemeter(directlyabovethetopofthe

tiltstand).

Removeandsafelyplacethebatterycompartmentandscrewswheretheywillnotbe

damagedorlost.

Replacethesix(6)1.5V‘AA’batteriesobservingcorrectpolarity.

Replacethebatterycompartmentcoverwiththetwo(2)Phillipsscrews.



Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.

Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriate

collectionsites,theretailstorewherethebatterieswerepurchased,orwherever

batteriesaresold.

Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotakeend‐

of‐lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronic

equipment.



OtherBatterySafetyReminders

oNeverdisposeofbatteriesinafire.Batteriesmayexplodeorleak.

oNevermixbatterytypes.Alwaysinstallnewbatteriesofthesametype.





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