Extech Instruments 461891 Manuale utente

USER GUIDE

Contact Tachometer

Model 461891

461891-en-US_V2.1 8/15

Introduction

Congratulations on your purchase o Extech’s Digital Tachometer, model 461891. This meter is

shipped ully tested and calibrated and, with proper use, will provide years o reliable service.

Features



Measures rom 0.5 to 19999 rpm



Min/Max Memory Recall



Cone, unnel, sur ace attachments included



Quartz crystal time base

Specifications

General Specifications

Circuit

Custom one-chip LSI microprocessor circuit

Time base

Quartz crystal

Display

5-digit multi unction LCD display

Measurements

Rotation Speed 0.5 to 19,999 rpm

Sur ace Speed 0.2 to 6560 t/min.

0.05 to 1999.9 m/min

Memory

Last and Max/Min readings

Sampling Time

1 second

Operating Temperature/RH

32 °F to 122 °F (0 °C to 50 °C) / <80% RH

Power Supply

4 x 1.5V AA batteries

Power Consumption

Approx. 10 mA

Weight

0.62 lb (280 g) including batteries

Dimensions

8.2 x 2.8 x1.5" (208 x 72 x 37 mm)

Accessories

Cone rpm adaptor, unnel rpm adaptor, sur ace speed

test wheel, and carrying case

Range Specifications

Range

Resolution

Accuracy

rpm

0.5 to 19,999 rpm

0.1 rpm (0.5 to 999.9 rpm)

1 rpm (over 1000 rpm)

+ (0.05%

rdg +1d)

@23+ 5oC

ft/min

0.2 to 6560 t/min

0.1 t/min (0.2 to 999.9 t/min)

1 t/min (over 1000 t/min)

± (1% rdg + 1 digit)

m/min

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)

461891-en-US_V2.1 8/15

Front Panel Description

1 Shaft with cone adapter attached

2 LC display

3 Measure button

4 Function select switch

5 Memory button

6 Cup attachment

7 Surface wheel attachment

Operation

RPM Measurement

a) Slide the Function Switch to the "RPM" position.

b) Install the appropriate RPM Adapter on the Shaft

c) Press the Measure button while lightly pressing the RPM adapter against the central

opening of a rotating shaft in proper alignment. Release the Measure button when the

display stabilizes (about 1 to 2 seconds).

Surface Speed Measurement

a) Slide the Function Switch to "ft/min" or "m/min"

b) Attach the Surface Speed Wheel to the Shaft

c) Press the Measure button and hold the surface speed wheel against the device being

measured. Release the Measure button when the display stabilizes.

Memory Recall

The last value and last max and min values obtained before releasing the Measure button are

automatically stored by the meter. These memorized values can be displayed by pressing the

Memory button as described below:

a) Press once and hold - the last value is displayed followed by the "LA" icon

b) Press again and hold - the maximum value is displayed followed by the "UP"I con

c) Press again and hold - the minimum value is displayed followed by the "dn" icon

461891-en-US_V2.1 8/15

Maintenance

Battery Replacement:

When the low battery indication a ears ("LO" on the dis lay), slide the battery cover off of the rear

of the instrument, re lace batteries with four 1.5V AA batteries and re lace the cover. Remove the

batteries if the instrument will not be used for a long eriod of time.

Cleaning: Use only a dry cloth to clean the lastic case.

Accessories:

Part # 461990 Kit contains: Qty. of 2 each: cone, wheel, and cu ; Qty. 1 shaft

461891-en-US_V2.1 8/15

Warranty

FLIRSystems, Inc. warrantsthisExtech Instruments brand device to be free of defects in partsand workmanship for one year

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

instrument for service during or beyond the warranty period, contact theCustomer 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. Thesender isresponsible for shipping charges, freight, insurance and proper packaging to prevent damage in transit.

Thiswarranty doesnot apply to defects resulting from action of the user such asmisuse, improper wiring, operation outsideof

specification, improper maintenance or repair, or unauthorized modification. FLIRSystems, Inc. specifically disclaimsanyimplied

warrantiesor merchantability or fitnessfor a specific purpose and will not be liablefor any direct, indirect, incidental or

consequential damages. FLIR’stotal liability is limited to repair or replacement of theproduct. Thewarranty set forth above is

inclusiveand no other warranty, whether written or oral, isexpressed or implied.

Calibration, Repair, and Customer Care Services

FLIRSystems, Inc. offersrepair and calibration services for the Extech Instrumentsproducts we

sell. NISTcertification for most products isalso provided. Call the Customer Service Department for

information on calibration servicesavailable for thisproduct. Annual calibrations should be

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

service isalso provided, refer to the contact information provided below.

All rightsreserved includingthe 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: support@extech.com

Repair & Returns: Option 4; E-mail: repair@extech.com

Product specificationsare subject to change without notice

Please visit our website for the most up-to-date information

www.extech.com

FLIRCommercial Systems, Inc., 9 Townsend West, Nashua, NH 03063 USA

ISO9001 Certified

461891-en-US_V2.1 8/15

Garantie

FLIRSystems, Inc. garantit que cet appareil Extech Instrumentsest exempt dedéfauts matériaux et defabrication pendant un

an à partir de la date d’envoi (unegarantie limitée desix moiss’appliqueaux capteurs et aux câbles). Si le renvoi de l’appareil

pour réparation devient nécessaire durant ou aprèsla période degarantie, contactezle serviceclient pour autorisation. Pour

obtenir lescoordonnées, visitezlesite Web suivant : www.extech.com. Un numéro d’autorisation deretour (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’emballagecorrect de

l’appareil afin deprévenir toute détérioration durant letransport. Cettegarantie ne s’appliquepasauxdommagesimputablesà

l’utilisateur, tels que l’usageimpropre ou abusif, un mauvaiscâblage, uneutilisation non conforme auxspécifications, un

entretien ou uneréparation incorrecte, ou toute modification non autorisée. FLIRSystems, Inc. déclinera spécifiquement toute

garantie ou qualité marchandeou aptitude à l’emploi prévu, et nesera en aucun castenu responsable pour tout dommage

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

produit. La garantie définie ci-dessusest inclusive et aucune autregarantie, écrite ou orale, n’est exprimée ou implicite.

Calibrage, réparation et servicesaprès-vente

FLIRSystems, Inc. offre des services de calibrage et de réparation pour lesproduits Extech

Instrumentsque nous commercialisons. Nousfournissonségalement une certification NISTpour la

plupart desproduits. Contactez notre service client pour toute information sur les servicesde

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

performances et la précision du mètre. Nousoffronségalement une assistance technique et un

service à la clientèle. Veuillez vous reporter aux coordonnéesfourniesci-dessous.

www.extech.com

Lignesd’assistance: États-Unis(877) 439-8324; international: +1 (603) 324-7800

Service d’assistance technique : Option 3 ; E-mail : support@extech.com

Réparationset retours: Option 4 ; E-mail : repair@extech.com

Les spécifications produit sont sujettes à modifications sans préavis.

Pour lestoutes dernièresinformations, veuillez visiter notre site Web.

www.extech.com

FLIRCommercial Systems, Inc., 9 Townsend West, Nashua, NH03063 USA

Certifié ISO9001

461891-en-US_V2.1 8/15

Garantía

FLIRSystems, Inc., garantiza este dispositivo marca Extech Instruments para estar libre de defectosen parteso mano deobra

durante un año a partir dela fecha de embarque(se aplica una garantía limitada deseismesespara cables ysensores). 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) antesde regresar cualquier producto. El remitente esresponsable de los gastosdeembarque,

flete, seguro y empaqueapropiado para prevenir dañosen tránsito. Esta garantía no se aplica a defectosresultantesde las

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

reparación inadecuada o modificación no autorizada. FLIRSystems, Inc., rechaza específicamente cualesquier garantías

implícitas o factibilidad decomercialización o idoneidad para cualquier propósito determinado y no será responsable por

cualesquier dañosdirectos, indirectos, incidentaleso consecuentes. La responsabilidad total de FLIRestá limitada a la reparación

o reemplazo del producto. La garantía precedente esinclusiva y no hay otra garantía ya sea escrita u oral, expresa o implícita.

Serviciosde calibración, reparación y atención a clientes

FLIRSystems, Inc., ofrece servicios de reparación y calibración para losproductosque vendemos

de Extech Instruments. Ademásofrecemoscertificación NIST para la mayoría de losproductos.

Llameal 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 serviciosgenerales 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

Líneasde soporte: EE.UU. (877) 439-8324; Internacional: +1 (603) 324-7800

Soporte Técnico Opción 3; correo electrónico: support@extech.com

Reparación / Devoluciones: Opción 4; correo electrónico: repair@extech.com

Las especificacionesdel producto están sujetas a cambiossin aviso

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

www.extech.com

FLIRCommercial Systems, Inc., 9 Townsend West, Nashua, NH 03063 USA

Certificado ISO9001

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