Thank you for selecting the Extech Instruments Model VB450.
The VB450 is a portable vibration meter consisting of an
acceleration sensor and a digital measurement display circuit.
It can be used to measure vibration displacement, speed (or
intensity) and acceleration of mechanical equipment.
Equipment such as fans, pumps, compressors, motors, etc. can
be tested.
This device 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, Product Registration, and
Customer Support.
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EXTECH INSTRUMENTS
Safety Notes
Warning: Use extreme care when using this vibration meter to
test mechanical devices. Damage to meter and injury to
persons can occur if this meter is used in a manner not
specified in this User Guide or if nominal, preparatory safety
measures are not taken. Please refer to, and follow, the safety
directives below.
o Do not take measurements on devices where the range is
known to be, or expected to be, outside the specified
measurement range of this device.
o Do not use this instrument if its housing appears cracked,
chipped, or otherwise damaged.
o Do not use this instrument if the sensor or its cable appears
damaged or compromised in any way.
o Replace the battery as soon as the low battery symbol
appears on the meter display.
o Remove the battery if the device is to be stored for > 60
days.
o Never dispose of batteries in a fire. Batteries may explode
or leak.
o Do not attempt to charge the 9V battery. The supplied 9V
battery is not rechargeable. This meter was not designed to
use rechargeable batteries.
o If the meter operates abnormally, stop testing and have
the unit serviced before further use.
o Never use the meter in a wet environment or in an
atmosphere of combustible or explosive gas.
o Do not open the meter housing; there are no user-
serviceable parts. Contact Extech Instruments directly or
contact point-of-sale personnel for service inquiries.
o Protect the meter’s LCD from shock or vibration; allow only
the magnet and sensor to touch the devices under test.
6. Service access nut (do not loosen; for service use only)
7. Sensor secure nut (turn counter-clockwise to loosen)
Battery Compartment on rear of meter
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EXTECH INSTRUMENTS
m/s2
Acceleration
Meters per second
squared
PEAK
mm/s
Velocity
Millimeters per second
squared
RMS
m
Displacement
micrometers
Peak to
Peak
Operation
Battery Installation and Replacement
Remove the rear battery compartment door by sliding in the
direction of the arrow. Install or replace 9V battery (observe
polarity) and replace the cover.
During operation, if the symbol appears in the display
the battery needs to be replaced.
Selecting units of measure
Press and hold the power button. The display will illuminate
and an arrow will indicate the units selected. Slide the function
switch on the top of the meter to select the units desired.
Measurements
Attach the sensor to the device to be measured with the
magnet or hold the sensor for nonferrous materials. Press and
hold the power button to display the results. Release the
power button to freeze the results in the display. After 60
seconds the meter will automatically shut off.
Low battery indication symbol
Power supply 9V Battery
Battery life Approx. 20 hours (alkaline)
Operating conditions 32 to 104oF (0 to 40oC) <90% RH
Storage conditions 32 to 104oF (0 to 40oC) <80% RH
Dimensions 7.3 x 2.7 x 1.2” (185 x 68 x 30mm)
Weight 10.6 oz. (300g) including battery
Safety Standards GB 4793, 1-2007
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
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 ret our 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.
FLIR Systems, Inc., garantiza este dispositivo marca Extech Instruments para estar libre de
defectos en partes o mano de obra durante un año a p artir 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 específ icamente cualesquier garantías implícit as 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