Extech Instruments AN320 Manual de usuario

USERGUIDE

LargeVaneCFM/CMM

Anemometer/Psychrometer+CO2

ModelAN320

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

AN320-en-GB_V1.2 11/14

Introduction

CongratulationsonyourpurchaseoftheExtechAN320VaneAirflowAnemometerPsychrometer

+CO2.ThisinstrumentmeasuresAirVelocity,AirFlow(volume),AirTemperature,Relative

Humidity,WetBulbTemperature,DewPointTemperature,andCO2(carbondioxide).Thelarge,

easy‐to‐readbacklitLCDincludesprimaryandsecondarydisplaysplusnumerousstatusindicators.

Theoptionalroundandsquareairflowconeadaptorsallowforquickairflow(volume)

measurements.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,ProductUpdates,andCustomerSupport.

CAUTIONS

Improperuseofthismetercancausedamagetothemeterandpersonalinjury.Readand

understandthisusermanualbeforeoperatingthemeter.

Inspecttheconditionoftheprobeandthemeterforanydamagebeforeoperatingthe

meter.Repairorreplacedamagebeforeuse.

Iftheequipmentisusedinamannernotspecifiedbythemanufacturer,theprotection

providedbytheequipmentmaybeimpaired.

Thisdeviceshouldnotbemadeavailabletochildren.Itcontainshazardousobjectsaswell

assmallpartsthatcanbeaccidentallyswallowed.Themeter’sbatteriesandpacking

materialcanalsobedangeroustochildren.

Intheeventthatthemeteristobeunusedforanextendedperiodoftime,removethe

batteriestoprotectagainstbatteryleakage.

Expiredordamagedbatteriescanbehazardousifallowedtocomeincontactwithskin.Use

suitablehandprotectioninsuchcases.

Donotshortcircuitbatteriesorputbatteriesinfire.

AN320-en-GB_V1.2 11/14

MeterDescription

MeterDescription(front)

1. ToplineLCDdisplayreading

2. BottomlineLCDdisplayreading

3. U/modeAVGanduparrowbutton

4. L/modeanddownarrowbutton

5. ON‐OFF(Power)andSETbutton

6. HOLD,MAX‐MIN,andleftarrow(Enter)button

7. Unitofmeasuresymbolforlowerdisplayrow

8. Unitofmeasuresymbolforupperdisplayrow

9. AirVelocityVane

MeterDescription(rear)

10. Airtemperature,humidity,andCO2sensors

11. Batterycompartment



AN320-en-GB_V1.2 11/14

SET

HOLD

MAX/MIN

U/mode

AVG

▲

L/mode

▼

U/mode

AVG

▲

U/mode

AVG

▲

L/mode

▼

BriefKeypadDescription



PressmomentarilytoswitchthemeterONorOFF.Pressandholdthisbuttonfor2

secondstoenterorexittheSetupmode(refertoSetupmodesectionfordetails).



oPressmomentarilytofreezethedisplayedreading(HOLDiconswitchesON);press

againmomentarilytoexittheHOLDmode(HOLDiconswitchesOFF)

oPressandholdfor2secondstodisplaytheMIN(minimum)reading;pressandhold

againtodisplaytheMAX(maximum)reading;Pressandholdathirdtimetoexit

oThisbuttonisalsousedintheAVERAGEmode(forrecordingreadingsoneatatime

orfora‘timed’recordingsession)andintheSETUPmode(forconfiguringthe

meter).PleasereviewtheAVERAGEandSETUPmodesectionsfordetails



Pressmomentarilytotogglebetweenppm(CO2),humidity,andairvelocityreadings.

Pressandholdfor2secondstoaccesstheMulti‐PointAverageandTimedAverage

modes(theAVGiconswitchesON).Detailedinstructionsforthesemodesareprovided

laterinthisguide.IntheSetupmodepresstoselectacategoryortoincreaseavalue

(refertoSetupmodelaterinthisguide)



Presstotogglethelowerdisplaybetweenairtemperature,airvolume,wetbulb

temperature,anddewpointtemperaturereadings;AlsousedintheMulti‐Point

Average,TimedAverage,andSetupmodes;refertotheAVERAGEandSETUPmodes

sectionslaterinthisguide



 

+WiththemeterswitchedOFF,pressandholdthesetwobuttonstodisable

AutoPowerOFF.DetailedAUTOPOWEROFF(Sleepmode)instructionsare

providedlaterinthisguide





++ Pressall3buttonssimultaneouslytoentertheCalibrationmode.

Calibrationinstructionsareprovidedindetaillaterinthisguide



AN320-en-GB_V1.2 11/14

DisplayLayout

1. LowerDisplaydigits(airvolume,temperature,timer,ormenuparameterdisplays)

2. UpperDisplaydigits(airvelocity,humidity,CO2,ormenudisplayparameters)

3. OptionalConeorFunnelattachmenticon

4. Unitsofmeasureforductareaprogramming

5. Vaneindicator(flashesverybrieflyonpowerup)

6. DisplayHOLDicon

7. MAXmodeicon

8. MINmodeicon

9. Recordingicon

10. ElapsedTimericon

11. AVGmodeicon

12. Batterystatusicon

13. Unitofmeasureicons*



*Fulllistshown.Availableunitsofmeasureiconsvarybymodel.

AN320-en-GB_V1.2 11/14

Operation

AirVelocityandAirVolumeMeasurements

1. SwitchthemeterONbypressingthePOWER buttonmomentarily.Themeterwill

countdownfrom30to0asitperformsaself‐test.PressthePOWERbuttonagaintoswitch

themeterOFF.

2. Notethatthemeterwillautomaticallyenterthesleepmodeafter20minutesofinactivity.

Todisablethisfeature:withthemeterOFF,pressandholdthePOWERandtheU/mode

buttonsfor2seconds.TheLCDwilldisplay'n'asitswitchesON.Nowthesleepmodeis

disabledandtheusermustpressthePOWERbuttonmomentarilytoswitchthemeterOFF.

3. WhenthemeterisON,theupperdisplaycanindicate

airvelocity,relativehumidity,orCO2(usetheU/mode

buttontoscroll).Thelowerdisplaydigitscanindicate

airflow,dewpointtemperature,wetbulbtemperature,

orairtemperature(usetheL/modebuttontoscroll).

4. Placethesensorintheairstream.Theairmustenter

thevanefromtherearofthemeter.TheAir

Temperature,Relativehumidity,andCO2sensorsarelocatedatthecenterofthevaneon

therearofthemeter.

5. ReadthemeasurementdataontheLCD.Airvelocityreadingsareindicatedinmetersper

second(m/s)orfeetperminute(fpm).Temperaturereadings(air,dewpointDP,orwetbulb

WBT)areindicatedin°C/°F.Airflow(volume)isindicatedinCFM(cubicfeetperminute)or

CMM(cubicmetersperminute).UsetheL/modebutton(forlowerdisplay)andtheU/mode

button(forupperdisplay)toscrollthroughthedisplayedreadingoptions.

6. TochangebetweenImperialandMetricunitsofmeasurerefertotheSETUPModesection.

7. TomeasuretheAirVolumeofaduct,firstmeasuretheduct’sarea(seetheAppendixfor

areacalculations)andthenentertheareavalueinthemeter’sSETUPmodeinin2orcm2.

Aftertheareavaluehasbeenentered,usetheL/modebuttontoscrolltotheairvolume

display(CMM/CFM)onthelowerdigits.Placethemeterinairstreamtomeasurevolume.

8. Optional:measureAirVolumewithanairflowConeorSquareadaptorbyfirstattachingone

oftheadaptorstothemeter(theoptionalconeadaptorkitincludesaroundandasquare

cone;kitpartnumberAN300‐C).Themeterwillautomaticallyrecognizethattheadaptoris

attachedtothemeterandaconeiconwillappearonthedisplay.Note:regardlessofthe

AREAsettingintheSETUPmode,themeterwilldefaulttothedimensionsofthevane

opening.Ensurethattheairflowadaptoriswellmountedandlockedbeforetaking

measurements.

LCDbacklight

PresstheU/modebuttontoswitchONtheLCDbacklight.Thebacklightwillautomaticallyswitch

OFFafterapproximately10secondstoconservebatterypower.Notethatthebacklighting

switchesONautomaticallywhenthemeterisswitchedONbytheuser.

AN320-en-GB_V1.2 11/14

RelativeHumidity,WetBulb/DewPointTemperature,andCO2Readings

Sensorsarebuiltintothecenterofthevane(rearofmeter)andareusedtomeasurerelative

humidity,airtemperature,andCO2.WetBulbandDewPointtemperaturesarecalculatedbased

ontemperatureandhumidityreadings.

1. PressU/modetoscrolltoRH(%)orCO2(ppm)modes.Themeasuredrelativehumidityor

carbondioxidereadingswillbedisplayedontheupperLCDdigitsasselected.

2. UsetheL/modebuttontoscrollthroughairtemperature,dewpointtemperature,wetbulb

temperature,andairflow(volume)readings.

3. Tomeasurethehumidityusinganoffsetreferencevalue,pleaseaccesstheSetupmodeand

inputtheoffsetvalueasdescribedintheSetupmodesection.TheLCDwilldisplaythe

measuredvalueminustheoffsetvalueoncetheoffsetisprogrammedintheSetupmode.

DataHoldMode

1. PresstheHOLDbuttonfromthenormaloperatingmodetofreezethecurrentmeasurement.

2. The‘HOLD’iconwillappearatthetopoftheLCDdisplay.

3. PressHOLDagaintoreturntonormaloperation.The‘HOLD’iconwillswitchOFFandthe

meterwillreturntodisplayingreadingsinrealtime.

MAX/MINMode

TheMAX‐MINfeaturerecordsthehighest(MAX)andlowest(MIN)readingscapturedsincethe

MAX‐MINmodewasaccessed.

1. PressandholdtheMAX/MINbuttonfor2secondstobegindisplayingthelowest(minimum)

readingsencounteredsincethismodewasaccessed.The‘MIN’iconwillappearatthetopof

theLCDdisplayindicatingthatthereadingsshownarethelowestmeasured.

2. PressandholdtheMAX/MINbuttonagainfor2secondstodisplaythemaximumreadings

encountered.The‘MAX’iconwillappearontheLCD.

3. Pressandholdthisbuttonagainfor2secondstoreturntothenormalmodeofoperation

(the‘MIN’and‘MAX’iconsshouldswitchOFF).

4. WhileviewingtheMAXorMINdata,usetheL/modebuttontoswitchthedisplaysothatthe

AirVolumeMINandMAXreadingscanbeviewedalso.

5. PressandholdMAX/MINfor2secondstoreturntothenormaloperationmode.

Multi‐PointAverageMode

1. FromthenormaloperatingmodepresstheU/modebuttonfor2secondstoenterMulti‐

PointAveragemode(theAVGdisplayiconandtheassociatedblackdot•willswitchON).

2. PresstheHOLDbuttonmomentarilytorecordonereading.Theupperdisplaydigitswill

showthereading’smemorylocationnumberandthelowerdisplaywillshowthemeasured

value.PresstheHOLDbuttonagaintotakeandstoreanotherreading;thememorylocation

numberwillincrementbyoneandthecurrentreadingwillbestoredinthisnewmemory

location.

3. PressU/modemomentarilytoseethemulti‐pointmean(average)forallofthereadings

recordedduringthesession(the'•AVG'displayiconwillflashduringthisprocess).

4. PressL/modetoviewtheaveragereadingfortheotheravailableparameters.

5. PressU/modemomentarilytoreturntothenormaloperatingmode.

AN320-en-GB_V1.2 11/14

TimedAverageMode

1. Fromthenormaloperatingmode,pressandholdtheU/modebuttonfor2secondstoenter

theMulti‐PointAveragemodefirstandthenpressU/modeonemoretimemomentarilyto

entertheTimedAverageMode(theAVGandtheelapsedtimer iconswillswitchON).

2. PressHOLDtobeginrecording.Theelapsedtimerstarts(asshownontheupperdisplay

digits)andtheclockiconflashesonandoff.

3. PressU/modetostoptheclockandtocalculatethetimedaverage.TheupperLCDwill

displaytheelapsedtimeandthelowerLCDwillshowtheaveragedreadings.TheLCDwill

flashthe'AVG'andtheelapsedtimericons.

4. PressL/modetoviewtheaverageforotheravailablemeasurements.

5. PressU/modetoreturntothenormaloperatingmode.



SetupMode

EnteringSetupMode

PressandholdthePOWERSETbuttonfor2secondstoenterSetupmode.Twooptionsare

available:P1.0:UnitandP2.0:AREA.

Usetheup/downbuttonstotogglebetweenP1.0UNITandP2.0AREAoptions.

P1.0:UnitSelection

1. Onceinsetupmode,attheP1.0UNITdisplay,momentarilypresstheHOLDbuttontoenter

theP1.0UNITmenu.

2. Useeitherarrowbuttontoswitchbetweenmetricandimperialunits.Theavailableunits

are:airvelocity(m/s,fpm),temperature(C,F),airvolume(CMM,CFM),andareasize(cm²,

inch²).

3. PressHOLDmomentarilytoreturntotheP1.0display.

4. PresseitherarrowbuttontomovetotheP2.0AREAoptionandfollowthestepsbelow.

P2.0:AreaSizeSelection(entersquareinchesorsquarecentimeters)

1. Insetupmode,fromtheP2.0AREAdisplay,pressHOLDtoentertheAREAsettingmenu.The

LCDwillshow‘99999’inthelowerdisplaywiththefirstdigitflashing.

2. Usetheuparrowbuttonchangetheflashingdigit(from0through9).

3. Usethedownarrowbuttontomovetothenextdigit.Usetheuparrowbuttonagainto

changetheflashingdigit.ContinueinthiswayuntilthedesiredAREAvalueisdisplayed.

4. PresstheHoldbuttonagainmomentarilytostorethevalueandtoreturntotheP2.0display.

5. PresseitherarrowbuttontomovetotheP3.0RHOFFSEToptionandfollowthestepsbelow.

P3.0:RelativeHumidity(RH)OffsetSelection

1. WheninsetupmodeP3.0pressHOLDtoentertheRHoffsetsetting.TheLCDwillshow0.0

RHintheupperdisplay.

2. PressU/modetoincreaseoffsetvalueandL/modetodecreaseoffset.

3. PresHOLDoncemoretoreturntoP3.0.

4. PressandholdthePOWERSETbuttonfor2secondstoreturntothenormaloperating

mode.

AN320-en-GB_V1.2 11/14

P4.0:AltitudePressureCompensation

5. WheninsetupmodeP4.0,pressHOLDtoenterthepressurecompensationparameter.The

LCDwillshowhPA(unitofmeasure:hector‐Pascalormillibar)onthelowerlineanda

flashing4‐digitnumber(from700to1990;thedefaultis1013hPAwhichisstandard

pressure)ontheupperline.

6. PressU/modetoincreasethepressurevalueandL/modetodecreaseit.

7. PressHOLDoncemoretoreturntoP4.0.

8. PressandholdthePOWERSETbuttonfor2secondstoreturntothenormaloperating

mode.

Calibration

CAUTION:DonotcalibratethemeterinairwithanunknownCO2concentration.Doingsowill

resultinthemeterbeingcalibratedtothestandard400ppmandcouldleadtoinaccurate

results.

1. Placethemeterinacalibratedenvironment.

2. WiththemeterOFF,pressSET,HOLDandL/modesimultaneouslytoenterCO2calibration

mode.

3. Themeterwillruna30secondcountdownand'CAL'willshowinthelowerdisplay.

4. DuringcalibrationaCO2readingbetween380‐420ppmwillflashintheupperdisplay.

5. Waitforapprox.10minutesforthereadingtostopflashing.

6. Thecalibrationisnowcompleteandthemeterwillreturntothenormaloperatingmode.

7. Toabortthecalibrationatanytime,turnOFFthemeter.

8. IfthecalibrationfailsforanyreasonpleasereturnthemetertoExtechInstrumentsforan

evaluationandpossiblerepair.

AN320-en-GB_V1.2 11/14

BatteryReplacement

WhenappearsontheLCD,theAAAbatteriesmustbereplaced.Thebatterycoverislocated

onthebackofthemeter.

1. Opentherearbatterycompartmentbycarefullypullingdownonthecompartment’slatch.

2. Thebatterycompartmentcovershouldbecompletelyremovedbeforeproceeding.

3. Replacethefour(4)1.5V‘AAA’batteriesensuringproperpolarity.

4. Closethebatterycompartmentbeforeattemptingtousethemeter.



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.

Tabla de contenidos

Otros manuales de Instrumento de medición de Extech Instruments

Extech Instruments

Extech Instruments RH390 Manual de usuario

Extech Instruments

Extech Instruments ExStik DO600 Manual de usuario

Extech Instruments

Extech Instruments AN10 Manual de usuario

Extech Instruments

Extech Instruments 407355 Manual de usuario

Extech Instruments

Extech Instruments AN250W Manual de usuario

Extech Instruments

Extech Instruments 380580 Manual de usuario

Extech Instruments

Extech Instruments 407114 Manual de usuario

Extech Instruments

Extech Instruments ExStik SX800 Series Manual de usuario

Extech Instruments

Extech Instruments GX900 Manual de usuario

Extech Instruments

Extech Instruments TKG100 Manual de usuario

Extech Instruments

Extech Instruments 407119-NIST Manual de usuario

Extech Instruments

Extech Instruments EX613 Manual de usuario

Extech Instruments

Extech Instruments 407303 Manual de usuario

Extech Instruments

Extech Instruments EC100 Manual de usuario

Extech Instruments

Extech Instruments RPM33-NIST Manual de usuario

Extech Instruments

Extech Instruments CO250 Manual de usuario

Extech Instruments

Extech Instruments 407026 Manual de usuario

Extech Instruments

Extech Instruments HD450 Manual de usuario

Extech Instruments

Extech Instruments 401025 Manual de usuario

Extech Instruments

Extech Instruments DT500 Manual de usuario

Extech Instruments

Extech Instruments 700 Series Manual de usuario

Extech Instruments

Extech Instruments RF20 Manual de usuario

Extech Instruments

Extech Instruments SDL720 Manual de usuario

Extech Instruments

Extech Instruments 407790A Manual de usuario

Manuales populares de Instrumento de medición de otras marcas

Suaoki

Suaoki D40 Manual de usuario

Elster

Elster BK-G1.6 Manual de usuario

Endress+Hauser

Endress+Hauser Deltabar FMD71 Manual

Duratool

Duratool D03128 Manual de usuario

Vega

Vega VEGAPULS 65 Manual de usuario

Tonghui

Tonghui TH2618B Manual de usuario

Tenmars

Tenmars TM-801 Manual de usuario

MSR

MSR 145 Manual de usuario

TPS

TPS WP-82 Manual de usuario

ELMETRON

ELMETRON CP-511 Manual de usuario

PCB Piezotronics

PCB Piezotronics 003C30 Manual de usuario

Tenma

Tenma 72-10465 Manual de usuario

Endress+Hauser

Endress+Hauser Proline Promag 50 Especificaciones técnicas

Siemens

Siemens SITRANS F Coriolis FCT030 Manual de lista de piezas

KLINGER

KLINGER CMF V Series Manual de usuario

EXFO

EXFO FTB-2 Manual de operación y mantenimiento

Keysight

Keysight M8290A Manual de usuario

ADTEK

ADTEK MW-5 Manual de usuario