Extech Instruments 407910 User manual

User's Guide

Heavy Duty

Differential Pressure Manometer

Model 407910

Distributed by MicroDAQ.com, Ltd. www.MicroDAQ.com (603) 746-5524

407910-EN v2.3 3/14

Introduction

Congratulations on your purchase of the Extech Manometer Model 407910. This device has a

differential input with convenient quick-disconnect fittings. Eight units of measure are selectable by

front panel pushbutton. Advanced features include Data hold, MAX/MIN record/recall, and RS-232

PC interface. Properly used, this device will provide years of reliable service.

Specifications

General Specifications

Circuit Custom one-chip LSI microprocessor circuit

Display 0.6" (15mm) 6000 count LCD with function indicators

Units of Measure mBAR, psi, kg/cm2, mm Hg, inches Hg, meter H2O, inches H2O and

Atmospheres

Input circuit Differential inputs (P1 and P2)

Data Hold Freezes displayed reading

Sensor Built-in piezoelectric sensors

Zero Adjust Front panel push-button

Sample rate 0.8 sec. (approx.)

Compatibility Air or non-corrosive and non-ionized gas

Auto Power OFF Meter turns off after approx. 10 minutes to conserve energy

Data Output RS-232 PC serial interface

Ambient conditions 32 to 122oF (0 to 50oC); < 80% RH

Battery power 9V alkaline battery

Power Consumption 8mA DC (approx.)

Dimensions 7.1 x 2.8 x1.3" (180 x 72 x 32 mm)

Weight 0.46 lbs (210 g) meter only

Accessories Quick-disconnect fittings (2), rubber jacket, and 9V battery

Range Specifications

Range/Units (Max.) Resolution Accuracy

± 2000 mbar 1

± 2% full scale @ 23±5oC

Note: Accuracy includes linearity,

hysteresis and repeatability effects

± 29 psi 0.01

± 2.040 Kg/cm20.001

± 1500 mm Hg 1

± 59.06 inches Hg 0.02

± 20.40 meters H2O 0.01

± 802 inches H2O 0.5

± 1.974 atmospheres 0.001

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407910-EN v2.3 3/14

Meter Description

1. LCD Display – Indicates the measurement data, unit of measure, and user alert symbols as

described in this manual

2. Push-buttons:

POWER – Press to turn the meter ON or OFF

HOLD – Press to freeze the displayed reading

ZERO – Press to null the display (with fittings disconnected)

RECORD/RECALL – Press to access the MIN/MAX recording mode as described later in

this manual

UNIT – Press to select the unit of measure

3. 0.16” (4mm) Quick-disconnect fittings (supplied)

4. P1 Input – 0.16” (4mm) accepts quick disconnect connector

5. RS-232 PC interface jack (3.5mm) – For use with data acquisition software/hardware interface

kit model 407001

6. P2 input – 0.16” (4mm) accepts quick disconnect connector

7. Rubber protective holster (removable)

8. Battery compartment (on rear) – Remove rubber jacket to access compartment

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407910-EN v2.3 3/14

Basic Operation

Meter Power

This device uses a 9V battery for power. If the meter does not switch on when the POWER button is

pressed or if the display shows LBT,replace the battery (refer to the Battery Replacement section

later in this manual).

In order to conserve battery life, the meter has an automatic power off feature (after 10 minutes). To

defeat this feature, access the RECORD mode by pressing the RECORD/RECALL button. In the

RECORD mode, the meter will remain on until the user turns it off or until the battery weakens.

Unit of measure

Press the UNIT button to select the unit of measure. This meter offers eight (8) units of measure as

listed below, in the specifications chart earlier in this manual, and on the face-plate of the meter.

Units Displayed Symbol

MBAR "m" at bottom of the LCD and "Bar" at the top

Kg/cm2 Kg /cm2

mm of Hg mm /Hg

m H2O m H2O

Atmospheres ATP

PSI PSI

Inches of Hg in/Hg

Inches of H2O inch H2O

Zero Adjust and Offset function

Before use and without fittings attached to the meter, press the ZERO button to calibrate the

meter’s circuitry. The display should then indicate zero.

If it is desired to offset the meter’s display, press the ZERO button while taking a measurement.

Subsequent readings will be the difference between the current measurement and the

measurement that was on the display when the ZERO button was pressed.

Fittings Connection

Connect tubing to the quick-disconnect fittings and then snap the supplied quick-disconnect fitting(s)

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.

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407910-EN v2.3 3/14

MIN/MAX Record/Recall Mode

The Record/Recall function tracks the maximum and minimum readings for recall at any time.

1. Press the RECORD/RECALL button once. The REC indicator will appear on the display.

2. Press the RECORD/RECALL button again to view the highest (MAX) reading taken since the

RECORD/RECALL button was first pressed. The MAX indicator and maximum reading will

appear on the display.

3. Press the RECORD/RECALL button again, the MIN indicator and the minimum value will appear

on the display.

4. To return to normal operation, press and hold the RECORD/RECALL button until the display

indicators REC, MAX, and MIN disappear.

RS-232 PC Interface

The meter has a built-in RS-232 serial port. For streaming of data to a PC via the RS232 Output

jack, the optional 407001-USB kit (RS232 to USB cable and driver CD) along with the 407001

software (available free at www.extech.com) are required.

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407910-EN v2.3 3/14

Battery Replacement

When the low battery indicator LBT appears on the display or if the meter does not switch on when

the POWER button is pressed, it is necessary to replace the battery.

To replace the battery:

1. Remove the meter's rubber protective jacket by stretching it over the bottom of the meter.

2. Pry open the battery compartment located on the back of the meter using a small coin or

screwdriver.

3. Replace the 9V alkaline battery

4. Replace the battery compartment cover and the protective jacket.

Useful Conversions

Useful conversion Factors

From To Multiplier

In of H2O In of Hg 0.07355

In of H2O Cm of Hg 2.54

mm of Hg In of H2O 0.03937

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407910-EN v2.3 3/14

Warranty

FLIRSystems,Inc.warrantsthisExtechInstrumentsbranddevicetobefreeofdefectsinpartsandworkmanshipforoneyear

fromdateofshipment(asixmonthlimitedwarrantyappliestosensorsandcables).Ifitshouldbecomenecessarytoreturnthe

instrumentforserviceduringorbeyondthewarrantyperiod,contacttheCustomerServiceDepartmentforauthorization.Visit

thewebsitewww.extech.comforcontactinformation.AReturnAuthorization(RA)numbermustbeissuedbeforeanyproductis

returned.Thesenderisresponsibleforshippingcharges,freight,insuranceandproperpackagingtopreventdamageintransit.

Thiswarrantydoesnotapplytodefectsresultingfromactionoftheusersuchasmisuse,improperwiring,operationoutsideof

specification,impropermaintenanceorrepair,orunauthorizedmodification.FLIRSystems,Inc.specificallydisclaimsanyimplied

warrantiesormerchantabilityorfitnessforaspecificpurposeandwillnotbeliableforanydirect,indirect,incidentalor

consequentialdamages.FLIR’stotalliabilityislimitedtorepairorreplacementoftheproduct.Thewarrantysetforthaboveis

inclusiveandnootherwarranty,whetherwrittenororal,isexpressedorimplied.

Calibration,Repair,andCustomerCareServices

FLIRSystems,Inc.offersrepairandcalibrationservicesfortheExtechInstrumentsproductswe

sell.NISTcertificationformostproductsisalsoprovided.CalltheCustomerServiceDepartmentfor

informationoncalibrationservicesavailableforthisproduct.Annualcalibrationsshouldbe

performedtoverifymeterperformanceandaccuracy.Technicalsupportandgeneralcustomer

serviceisalsoprovided,refertothecontactinformationprovidedbelow.

Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform

www.extech.com

SupportLines:U.S.(877)439‐8324;International:+1(603)324‐7800

TechnicalSupport:Option3;E‐mail:[email protected]

Repair&Returns:Option4;E‐mail:[email protected]

Productspecificationsaresubjecttochangewithoutnotice

Pleasevisitourwebsiteforthemostup‐to‐dateinformation

www.extech.com

FLIRCommercialSystems,Inc.,9TownsendWest,Nashua,NH03063USA

ISO9001Certified

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407910-EN v2.3 3/14

Garantie

FLIRSystems,Inc.garantitquecetappareilExtechInstrumentsestexemptdedéfautsmatériauxetdefabricationpendantun

anàpartirdeladated’envoi(unegarantielimitéedesixmoiss’appliqueauxcapteursetauxcâbles).Silerenvoidel’appareil

pourréparationdevientnécessairedurantouaprèslapériodedegarantie,contactezleserviceclientpourautorisation.Pour

obtenirlescoordonnées,visitezlesiteWebsuivant:www.extech.com.Unnumérod’autorisationderetour(AR)doitêtredélivré

avanttoutretourdeproduit.L’expéditeurprendàsachargelesfraisd’expédition,lefret,l’assuranceetl’emballagecorrectde

l’appareilafindeprévenirtoutedétériorationdurantletransport.Cettegarantienes’appliquepasauxdommagesimputablesà

l’utilisateur,telsquel’usageimpropreouabusif,unmauvaiscâblage,uneutilisationnonconformeauxspécifications,un

entretienouuneréparationincorrecte,outoutemodificationnonautorisée.FLIRSystems,Inc.déclineraspécifiquementtoute

garantieouqualitémarchandeouaptitudeàl’emploiprévu,etneseraenaucuncastenuresponsablepourtoutdommage

conséquent,direct,indirectouaccidentel.LaresponsabilitétotaledeFLIRestlimitéeàlaréparationouauremplacementdu

produit.Lagarantiedéfinieci‐dessusestinclusiveetaucuneautregarantie,écriteouorale,n’estexpriméeouimplicite.

Calibrage,réparationetservicesaprès‐vente

FLIRSystems,Inc.offredesservicesdecalibrageetderéparationpourlesproduitsExtech

Instrumentsquenouscommercialisons.NousfournissonségalementunecertificationNISTpourla

plupartdesproduits.Contacteznotreserviceclientpourtouteinformationsurlesservicesde

calibragedisponiblespourceproduit.Uncalibragedoitêtreeffectuéchaqueannéepourvérifier

lesperformancesetlaprécisiondumètre.Nousoffronségalementuneassistancetechniqueetun

serviceàlaclientèle.Veuillezvousreporterauxcoordonnéesfourniesci‐dessous.

Tousdroitsréservés,ycomprislareproductionpartielleoutotalesousquelqueformequecesoit.

www.extech.com

Lignesd’assistance:États‐Unis(877)439‐8324;international:+1(603)324‐7800

Serviced’assistancetechnique:Option3;E‐mail:[email protected]

Réparationsetretours:Option4;E‐mail:[email protected]

Lesspécificationsproduitsontsujettesàmodificationssanspréavis.

Pourlestoutesdernièresinformations,veuillezvisiternotresiteWeb.

www.extech.com

FLIRCommercialSystems,Inc.,9TownsendWest,Nashua,NH03063USA

CertifiéISO9001

Distributed by MicroDAQ.com, Ltd. www.MicroDAQ.com (603) 746-5524

407910-EN v2.3 3/14

Garantía

FLIRSystems,Inc.,garantizaestedispositivomarcaExtechInstrumentsparaestarlibrededefectosenpartesomanodeobra

duranteunañoapartirdelafechadeembarque(seaplicaunagarantíalimitadadeseismesesparacablesysensores).Sifuera

necesarioregresarelinstrumentoparaservicioduranteodespuésdelperiododegarantía,llamealDepartamentodeServicioa

Clientesparaobtenerautorización.Visitewww.extech.comparaInformacióndecontacto.Sedebeexpedirunnúmerode

AutorizacióndeDevolución(AD)antesderegresarcualquierproducto.Elremitenteesresponsabledelosgastosdeembarque,

flete,seguroyempaqueapropiadoparaprevenirdañosentránsito.Estagarantíanoseaplicaadefectosresultantesdelas

accionesdelusuariocomoelmaluso,alambradoequivocado,operaciónfueradelasespecificaciones,mantenimientoo

reparacióninadecuadaomodificaciónnoautorizada.FLIRSystems,Inc.,rechazaespecíficamentecualesquiergarantías

implícitasofactibilidaddecomercializaciónoidoneidadparacualquierpropósitodeterminadoynoseráresponsablepor

cualesquierdañosdirectos,indirectos,incidentalesoconsecuentes.LaresponsabilidadtotaldeFLIRestálimitadaala

reparaciónoreemplazodelproducto.Lagarantíaprecedenteesinclusivaynohayotragarantíayaseaescritauoral,expresao

implícita.

Serviciosdecalibración,reparaciónyatenciónaclientes

FLIRSystems,Inc.,ofreceserviciosdereparaciónycalibraciónparalosproductosquevendemos

deExtechInstruments.AdemásofrecemoscertificaciónNISTparalamayoríadelosproductos.

LlamealDepartamentodeServicioalClienteparasolicitarinformacióndecalibraciónparaeste

producto.Paraverificarelfuncionamientoyprecisiónsedeberealizarlacalibraciónanual.Además

seproveeSoporteTécnicoyserviciosgeneralesalcliente,consultelainformacióndecontactoen

seguida.



Reservadostodoslosderechos,incluyendoelderechodereproduccióntotaloparcialencualquiermedio

www.extech.com

Líneasdesoporte:EE.UU.(877)439‐8324;Internacional:+1(603)324‐7800

SoporteTécnicoOpción3;correoelectrónico:[email protected]

Reparación/Devoluciones:Opción4;correoelectrónico:[email protected]

Lasespecificacionesdelproductoestánsujetasacambiossinaviso

PorfavorvisitenuestrapáginaenInternetparalainformaciónmásactualizada

www.extech.com

FLIRCommercialSystems,Inc.,9TownsendWest,Nashua,NH03063USA

CertificadoISO9001

Distributed by MicroDAQ.com, Ltd. www.MicroDAQ.com (603) 746-5524

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