Extech Instruments 461895 User manual

User's Guide

COMBINATION CONTACT/PHOTO TACHOMETER

Model 461895

461895-EN V2.1 8/13

Introduction

Congratulations on your purchase of the Extech Combination Contact/Photo

Tachometer, Model 461895. The combination tachometer is a patented design providing

contact and non-contact RPM measurements. In addition, linear surface speeds can be

measured in ft/min or m/min. Careful use of this device will provide years of reliable

operation.

461895-EN V2.1 8/13

Specifications

General Specifications

Circuit Custom one-chip LSI microprocessor circuit

Time base Quartz crystal

Display 5 digit LCD display

Measurements Photo Tachometer - 5 to 99,999 rpm

Contact Tachometer - 0.5 to 19,999 rpm

Surface Speed - 0.2 to 6,560 ft/min

Surface Speed - 0.05 to 1999.9 m/min

Memory Saves LAST, MAX, and MIN readings

Sampling Time Photo Tachometer - 1 sec. (over 60 rpm)

Contact Tachometer - 1 sec. (over 6 rpm)

Detecting Distance -

Photo Tachometer

2 to 6” (50 to 150 mm) depending on ambient light

Operating Temperature 32 °F to 122 °F (0 °C to 50 °C)

Power Supply Four 1.5 V AA batteries

Weight 0.66 lbs / 300g (including battery)

Size 8.5 x 2.6 x1.5” (215 x 65 x 38mm)

Accessories Reflective tape (23"),cone and funnel rpm adaptor, surface

speed wheel, and carrying case

Electrical Specifications

Range Resolution Accuracy

(% rdg)

Photo

Tachometer

5 to 99,999 rpm 0.1 rpm (0.5 to 999.9 rpm)

1 rpm (over 1000 rpm)

±(0.05% + 1d)

Contact

Tachometer

0.05 to 19,999 rpm 0.1 rpm (0.5 to 999.9 rpm)

1 rpm (over 1000 rpm)

Surface

Speed

0.2 to 6560 ft/min 0.1 ft/min (0.1 to 999.9 ft/min)

1 ft/min (over 1000 ft/min)

± (1% rdg + 1d)

Surface

Speed

0.05 to 1999.9 m/min 0.01 m/min (0.05 to 99.99 m/min)

0.1 m/min (over 100 m/min)

461895-EN V2.1 8/13

Meter Description

1. Reflective tape – In the non-contact mode of operation, place a small square piece

of tape on the object under test.

2. Sensor light source – In the non-contact mode, direct the light beam toward the

reflective tape while the device under test is moving.

3. Monitor indication – In the non-contact mode, the monitor switches on each time

the reflective tape breaks the light beam.

4. Measurement Display – Indicates the measurement result.

5. Memory button – Press to recall the stored LAST, MAX & MIN readings.

6. Function Switch – Select Tachometer or Linear Surface Speed mode.

7. Rotating shaft – In the contact mode of operation, carefully touch the shaft to the

moving object.

8. Measure button – Press to initiate a measurement.

9. 1`Battery compartment on rear

461895-EN V2.1 8/13

Operation

Photo Tachometer

1. Slide the Function Switch to the "rpm PHOTO" position.

2. Apply a 0.5” (12mm) square piece of reflective tape to the object being measured.

3. Press the Measure button and align the visible light beam with the object being

measured. Check that the Monitor Indicator switches on (upper left-hand corner of

LCD) when the reflective tape passes through the light beam. Release the Measure

button once the display stabilizes (approx. 2 seconds). For best results, hold the

meter's light source 6 -12 inches from the object being measured. For best results,

minimize the ambient light as much as possible.

4. If the RPM measurement is less than 50,apply additional squares of reflective tape

(equidistant). Divide the reading shown on the display by the number of reflective

squares to get the actual RPM.

NOTE: Bright ambient light may interfere with the reflected light beam. Shading the

target area may be necessary in some cases.

CAUTION: Rotating objects can be dangerous. Use extreme care when holding the

meter near any such object.

Contact Tachometer

1. Slide the Function Switch to the "rpm CONTACT" position.

2. Press the Measure button while lightly pressing the rotating ring against the center

opening of a rotating shaft. Release the Measure button once the display has

stabilized (approx. 2 seconds).

CAUTION: Rotating objects can be dangerous. Use extreme care when holding the

meter near a rotating object.

461895-EN V2.1 8/13

Surface Speed Measurement

1. Slide the Function Switch to "SURFACE SPEED ft/min" or "m/min".

2. Attach the Surface Speed Wheel to the meter shaft.

3. Press the Measure button and hold the surface speed wheel against the device

being measured (a conveyor belt, for example).

4. Release the Measure button once the display has stabilized (approx. 2 seconds).

CAUTION: Moving belts and other moving objects can be dangerous. Use extreme

care when taking measurements.

Memory Recall

When measuring, the LAST, MAX and MIN readings are automatically stored before the

Measure button is released. Recall the values by pressing the Memory button.

1. Press once and hold - the last value is displayed followed by "LA"

2. Press again and hold - the maximum value is displayed followed by "UP"

3. Press again and hold - the minimum value is displayed followed by "dn"

Battery Replacement

The low battery indication (LO) appears when the batteries need to be replaced.

To replace the batteries:

1. Open the rear battery compartment by removing the screw that secures it.

2. Replace the four 1.5V AA batteries.

3. Replace the battery cover.

461895-EN V2.1 8/13

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

461895-EN V2.1 8/13

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

461895-EN V2.1 8/13

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

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