Extech Instruments EX210 User manual

User Guide
Multimeter with IR Thermometer
Extech EX210 and EX210T (True RMS)

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Introduction
Thank you for selectin the Extech EX210/EX210T True RMS (EX210T only) Autoran in Multimeter.
This meter measures AC/DC Volta e, AC/DC Current, Resistance, Diode Test, and Continuity plus
non-contact InfraRed Temperature. Proper use and care of this meter will provide many years of
reliable service. Please visit the Extech Instruments website (www.extech.com) to check for the latest
version of this User Guide. Extech Instruments is an ISO-9001 certified company.
Safety
This symbol adjacent to another symbol, terminal or operatin device indicates
that the operator must refer to an explanation in the Operatin Instructions to
avoid personal injury or dama e to the meter.
This WARNING symbol indicates a potentially hazardous situation, which if not
avoided, could result in death or serious injury.
This CAUTION symbol indicates a potentially hazardous situation, which if not
avoided, may result dama e to the product.
This symbol advises the user that the terminal(s) so marked must not be
connected to a circuit point at which the volta e with respect to earth round
exceeds (in this case) 600 VAC or VDC.
This symbol adjacent to one or more terminals identifies them as bein associated
with ran es that may, in normal use, be subjected to particularly hazardous
volta es. For maximum safety, the meter and its test leads should not be handled
when these terminals are ener ized.
This symbol indicates that a device is protected throu hout by double insulation or
reinforced insulation.
PER IEC1010 OVERVOLTAGE INSTALLATION CATEGORY
OVERVOLTAGE CATEGORY I
Equipment of OVERVOLTAGE CATEGORY I is equipment for connection to circuits in which
measures are taken to limit the transient overvolta es to an appropriate low level.
Note – Examples include protected electronic circuits.
OVERVOLTAGE CATEGORY II
Equipment of OVERVOLTAGE CATEGORY II is ener y-consumin equipment to be supplied from
the fixed installation.
Note – Examples include household, office, and laboratory appliances.
OVERVOLTAGE CATEGORY III
Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations.
Note – Examples include switches in the fixed installation and some equipment for industrial use
with permanent connection to the fixed installation.
OVERVOLTAGE CATEGORY IV
Equipment of OVERVOLTAGE CATEGORY IV is for use at the ori in of the installation.
Note – Examples include electricity meters and primary over-current protection equipment
WARNING
CAUTION
MAX
600V

EX210_EX210T-en-US_v1.5 9/15
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CAUTIONS
Improper use of this meter c n c use d m ge, shock, injury or de th. Re d nd underst nd
this user m nu l before oper ting the meter.
Alw ys remove the test le ds before repl cing the b ttery or fuses.
Inspect the condition of the test le ds nd the meter itself for ny d m ge before oper ting the
meter.
Use gre t c re when m king me surements if the volt ges re gre ter th n 25 VAC rms or 35
VDC. These volt ges re considered shock h z rd.
W rning! This is Cl ss A device. This device c n c use interference in residenti l re s.
Alw ys disch rge c p citors nd remove power from the device under test before performing
Diode, Resist nce or Continuity tests.
Volt ge checks on electric l outlets c n be difficult nd misle ding bec use of the uncert inty
of connection to the recessed electric l cont cts. Other me ns should be used to ensure th t
the termin ls re not "live".
If the equipment is used in m nner not specified by the m nuf cturer, the protection provided
by the equipment m y be imp ired.
This device must not be used by children. It cont ins h z rdous objects s well s sm ll p rts
th t the children could sw llow.
Do not le ve b tteries nd p cking m teri l lying round un ttended; they c n be d ngerous
to children.
In the event th t this device will be stored for n extended period of time, remove the b tteries.
Expired or d m ged b tteries c n le k nd c n be h z rdous to skin. Use suit ble h nd
gloves in such c ses.
Do not short-circuit the b ttery. Do not pl ce the b ttery ne r fire.
Never mix b ttery types. Alw ys inst ll new b tteries of the s me type.

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SAFETY INSTRUCTIONS
This meter has been designed for safe se, b t m st be operated with ca tion. The r les listed below
m st be caref lly followed for safe operation.
1. NEVER apply voltage or c rrent to the meter that exceeds the specified maxim m:
Input Protection Limits
Function Maximum Input
V AC/DC, Resistance, Diode Test, Contin ity 600 VDC/AC rms
µA or mA AC/DC 200mA f sed
A AC/DC 10A f sed
2. USE EXTREME CAUTION when working with high voltages.
3. O NOT meas re voltage if the voltage on the "COM" inp t jack exceeds 600V above earth
gro nd.
4. NEVER connect the meter leads across a voltage so rce while the f nction switch is in the
c rrent, resistance, or diode mode. Doing so can damage the meter.
5. ALWAYS discharge filter capacitors in power s pplies and disconnect the power when making
resistance or diode tests.
6. ALWAYS t rn off the power and disconnect the test leads before opening the covers to replace
the f se or batteries.
7. NEVER operate the meter nless the back cover and the battery and f se covers are in place
and fastened sec rely.
8. If the eq ipment is sed in a manner not specified by the man fact rer, the protection provided
by the eq ipment may be impaired.

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Controls and Jacks
1. IR Thermometer
2. Laser Pointer
3. 2000 ount LCD
4. MAX button
5. MODE button
6. FUNCTION swit h
7. mA, µA and 10A input ja ks
8. IR Thermometer button
9. HOLD button
10. RANGE button
11. Positive input ja k
12. COM input ja k
Note: Tilt stand, test lead holders, and battery ompartment are on rear of unit.
Symbols and Enunciators
Continuity
Diode test
µ mi ro (10
-6
) (amps)
m milli (10
-3
) (volts, amps)
A Amps
k kilo (10
3
) (ohms)
M mega (10
6
) (ohms)
Ohms
V Volts
AC Alternating urrent
DC Dire t urrent
ºF Degrees Fahrenheit
ºC Degrees Centigrade
MAX Maximum
AUTO Autoranging
HOLD Display hold
SCAN IR temperature in progress

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Operating Instructions
WARNING: Risk of electrocution. igh-voltage circuits, both AC and DC, are extremely dangerous
and should be measured with great care.
1. ALWAYS turn the function switch to the OFF position when the meter is not in use.
2. If “OL” appears in the display during a measurement, the value exceeds the range you have
selected. Change to a higher range.
AC/DC VOLTAGE MEASUREMENTS
CAUTION: Do not measure DC voltages if a motor on the circuit is being switched ON or OFF.
Large voltage surges may occur that can damage the meter.
1. Rotate the function switch to the V AC or V DC position.
2. Insert the black test lead banana plug into the negative COM jack. Insert the red
test lead banana plug into the positive V jack.
3. Touch the black test probe tip to the negative side of the circuit.
Touch the red test probe tip to the positive side of the circuit.
4. Read the voltage in the display.
AC/DC CURRENT MEASUREMENTS
1. Insert the black test lead banana plug into the negative COM jack.
2. Press the MODE button to indicate “DC” or “AC” on the display.
3. For current measurements up to 2000µA, set the function switch to the µA position
and insert the red test lead banana plug into the µA/mA jack.
4. For current measurements up to 200 mA DC, set the function switch to the mA
position and insert the red test lead banana plug into the µA/mA jack.
5. For current measurements up to 10A DC, set the function switch to the 10A position
and insert the red test lead banana plug into the 10A jack.
6. Connect the test leads in series with the circuit under test.
7. Apply power to the circuit.
8. Read the current in the display.

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RESISTANCE MEASUREMENTS
WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all
capacitors before taking any resistance measurements. Remove the batteries and unplug the line
cords.
1. Rotate the function switch to the Ω position.
2. Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive jack.
3. Touch the test probe tips across the device under test.
4. Read the resistance in the display.
CONTINUITY CHECK
WARNING: To avoid electric shock, never measure continuity on circuits or wires that have a
voltage potential.
1. Rotate the function switch to the position.
2. Insert the black lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive jack.
3. Press the MODE button to indicate“ " on the display
4. Touch the test probe tips to the circuit or wire you wish to check.
5. If the resistance is less than the continuity threshold, the audible signal will sound.
DIODE TEST
1. Rotate the function switch to the green position.
2. Insert the black test lead banana plug into the negative COM jack and the red test
lead banana plug into the positive jack.
3. Press the MODE button to indicate “ “and “V” on the display.
4. Touch the test probes to the diode under test. Forward voltage will typically indicate
0.400 to 0.700V. Reverse voltage will indicate “OL”. Shorted devices will indicate
near 0V and an open device will indicate “OL” in both polarities.

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NON-CONTACT INFRARED TEMPERATURE MEASUREMENTS
1. Rotate the function switch to the IR position. The uppe ight fou digit tempe atu e display will
switch on.
2. P ess the MODE button to select °F o °C.
3. Aim the inf a ed senso (top of mete ) at the su face to be measu ed.
4. P ess and Hold the IRT button to tu n on the IR the momete and lase pointe . The lase
pointe identifies the su face spot to be measu ed and “SCAN” will flash in the display.
5. Read the tempe atu e in the display.
6. The a ea of the su face to be measu ed must be la ge than the spot size as dete mined by the
distance to spot size values listed in the specification table.
7. Release the IRT button to tu n the IR the momete and lase pointe off. “HOLD” and the
final measu ed value will emain in the display.
WARNING: Do not directly view or direct t e laser pointer at an eye. Low powe visible lase s
do not no mally p esent a haza d, but may p esent some potential fo haza d if viewed di ectly fo
extended pe iods of time.
IR Spot to Distance Diagram
The 4:1 spot to distance atio dete mines the size of the measu ed su face a ea with espect to the
distance the mete is held away f om the su face.
IR Measurement Notes
1. The object unde test should be la ge than the spot (ta get) size calculated by the field of view
diag am.
2. If the su face of the object unde test is cove ed with f ost, oil, g ime, etc., clean befo e taking
measu ements.
3. If an object's su face is highly eflective, apply masking tape o flat black paint to the su face
befo e measu ing.
4. The mete will not make measu ements th ough glass steam, dust, and smoke.
5. To find a hot spot, aim the mete outside the a ea of inte est then scan ac oss (in an up and
down motion) until the hot spot is located.
1”
@ 4”
2”
@ 8”
4”
@ 16”
20mm
@ 80mm 40mm
@ 160mm 80mm
@ 320mm

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AUTORANGING/MANUAL RANGE SELECTION
When the mete is fi st switched on, it automatically ente s the AutoRanging mode. This
automatically selects the best ange fo the measu ements being made and is gene ally the best
mode fo most measu ements. Fo measu ement situations equi ing that a ange be manually
selected, pe fo m the following:
1. P ess the RANGE button. The “AUTO” display indicato will tu n off.
2. P ess the RANGE key to step th ough the available anges until the ange desi ed is selected.
3. P ess and hold the RANGE button fo 2 seconds to exit manual anging.
Note: Manual anging does not apply to the Tempe atu e, Diode and Continuity functions.
MAX (MAXIMUM READING) MODE
1. P ess the MAX button to activate the MAX mode. The display icon "MAX" will appea . The mete
will display and hold the maximum eading and will update only when a new maximum value is
detected.
2. P ess the MAX button again to exit the mode.
Note: Max does not apply to the Resistance, Diode and Continuity functions.
DISPLAY BACKLIGHT
P ess and hold the IRT button fo 2 second to tu n the backlight on. The backlight will
automatically tu n off afte app oximately 10 seconds o p ess and hold the button again fo 2
seconds to manually tu n it off.
HOLD
The HOLD function f eezes the eading in the display. P ess the HOLD button momenta ily to
activate o to exit the HOLD function.
Note: The HOLD button does not function in the IR measu ement mode.
AUTO SLEEP
If no button is p essed the auto sleep featu e will place the mete in sleep mode afte app oximately
15 minutes of ope ation. If this happens, p ess any button to wake the mete o switch the mete to
OFF if it no longe in use.

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Maintenance
WARNING: To avoid elect ic shock, disconnect the test leads f om any sou ce of voltage befo e
emoving the back cove o the batte y o fuse cove s.
WARNING: To avoid elect ic shock, do not ope ate the mete until the batte y and fuse cove s a e
in place and fastened secu ely.
This MultiMete is designed to p ovide yea s of dependable se vice, if the following ca e inst uctions
a e followed:
1. KEEP THE METER DRY. If it gets wet, wipe it off.
2. USE AND STORE THE METER IN NORMAL TEMPERATURES. Tempe atu e ext emes can
sho ten the life of the elect onic pa ts and disto t o melt plastic pa ts.
3. HANDLE THE METER GENTLY AND CAREFULLY. D opping it can damage the elect onic pa ts
o the case.
4. KEEP THE METER CLEAN. Wipe the case occasionally with a damp cloth. DO NOT use
chemicals, cleaning solvents, o dete gents.
5. USE ONLY FRESH BATTERIES OF THE RECOMMENDED SIZE AND TYPE. Remove old o
weak batte ies so they do not leak and damage the unit.
6. IF THE METER IS TO BE STORED FOR A LONG PERIOD OF TIME, the batte ies should be
emoved to p event damage to the unit.
BATTERY and FUSE Repla ement
WARNING: To avoid elect ic shock, disconnect the test leads f om any sou ce of voltage befo e
emoving the batte y cove .
1. Tu n powe off and disconnect the test leads f om the mete .
2. Lift the mete stand to expose the batte y cove .
3. Open the ea batte y/fuse compa tment by emoving the Phillips head sc ew on the lowe ea of
the mete .
4. Ca efully pull down on the cove just enough to elease the latch and then lift it off. The cove will
not pull down all the way.
5. Remove the old batte y o fuse and install a new one of the co ect ating.
6. Place the batte y/fuse cove back in place. Secu e with the sc ew.
WARNING: To avoid elect ic shock, do not ope ate the mete until the batte y cove is in place and
fastened secu ely.
NOTE: If the mete does not wo k p ope ly, check the fuses and eplace the batte y to make su e that
they a e still good and that they a e p ope ly inse ted.
Battery Safety Reminders
o Please dispose of batte ies esponsibly; obse ve local, state, and national egulations.
o Neve dispose of batte ies in a fi e; batte ies may explode o leak.
o Neve mix batte y types; install new batte ies of the same type.

EX210_EX210T-en-US_v1.5 9/15
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Specifications
Fun tion Range Resolution A ura y
DC Voltage 200 mV 0.1 mV (0.8% rea ing + 6 igits)
2V 0.001V (0.5% rea ing + 2 igits)
20V 0.01V
200V 0.1V
(0.8% rea ing + 2 igits)
600V 1V
AC Voltage
(50/60Hz)
True RMS
(EX210T only)
200 mV 0.1 mV
(1.5% rea ing + 6 igits)
2V 0.001V
20V 0.01V
200V 0.1V
600V 1V
All AC voltage ranges are specifie from 5% of range to 100% of range
DC Current 200 A 0.1 A
(1.5% rea ing + 5 igits)
2000 A 1 A
20 mA 0.01 mA
200 mA 0.1 mA
2.000 0.001 A
(2.5% rea ing + 5 igits)
10 A 0.01 A
Note:10A for 30 sec max
AC Current
(50/60Hz)
True RMS
(EX210T only)
200 A 0.1 A
(1.5% rea ing + 8 igits)
2000 A 1 A
20 mA 0.01 mA
200 mA 0.1 mA
2.000 0.001 A
(3.0% rea ing + 5 igits)
10 A 0.01 A
Note: 10A for 30 sec max
NOTE: Accuracy is state at 18
o
C to 28
o
C (65
o
F to 83
o
F) an less than 75% RH.

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Function Range Resolution Accuracy
Resistance 200 0.1 (0.8% reading + 5 digits
2 k 0.001 k
(0.8% reading + 2 digits 20 k 0.01 k
200 k 0.1 k
2 M 0.001 M
(2.5% reading + 8 digits
20 M 0.01 M
Temperature IR -20 to 0 C
0.1 C/ F
4 C
0 to 93 C (2.0%rdg or 2 C
93 to 230 C (3.0%rdg or 3 C
-5 to 32 F 8 F
32 to 200°F (2.0%rdg or 4 F
200 to 446°F (3.0%rdg or 6 F
Enclosure Double molded
Diode Test Test current of 0.9mA maximum, open circuit voltage 2.8V DC typical
Continuity Threshold 20 to 50 , test current <1.5mA
Input Impedance 10MΩ VDC/VAC
AC Response True rms (EX210T only
ACV Bandwidth 40Hz to 1000Hz
IR Spectral response 6 to 16µm
IR Emissivity 0.95 fixed
IR distance ratio 4:1
aser pointer Class 2 laser < 1mW power; Wavelength is 630 to 670nm
Display 2,000 count backlit liquid crystal display
Overrange indication “O ” is displayed
Auto Power Off 15 minutes (approximately
Polarity Automatic (no indication for positive ; Minus (- sign for negative
Measurement Rate 2 times per second, nominal
Battery One 9 volt (NEDA 1604 battery
Fuses mA, µA ranges; 200mA 250V ceramic fast blow
‘A’ range; 10A 600V ceramic fast blow
Operating Temperature 14ºF to 122ºF (-10ºC to 40ºC
Storage Temperature 14
o
F to 140
o
F (-10
o
C to 60
o
C
Operating Humidity Max 80% up to 31ºC (87ºF decreasing linearly to 50% at 40ºC (104ºF
Storage Humidity <80%
Operating Altitude 7000 ft (2000m maximum
Weight 9.17 oz. (260 g
Size 5.8x2.9x1.6” (147x76x42 mm
Safety This meter is intended for origin of installation use and protected, against
the users, by double insulation per IEC/EN 61010-1:2001 and IEC/EN
61010-031:2002 to Category III 600V; Pollution Degree 2.
Approvals CE

EX210_EX210T-en-US_v1.5 9/15
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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 sensorsand 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. FLIRSystems, 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, isexpressed or implied.
Calibration, Repair, and Customer Care Services
FLIRSystems, Inc. offersrepair 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.
Copyright © 2013-2015 FLIRSystems, Inc.
All rightsreserved including theright of reproduction in whole or in part in any form
www.extech.com
Support Lines: U.S. [phone]; International: [phone]
Technical Support: Option 3; E-mail: [e-mail]
Repair & Returns: Option 4; E-mail: [e-mail]
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, NH03063 USA
ISO9001 Certified

EX210_EX210T-en-US_v1.5 9/15
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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 moiss’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. Lexpéditeur 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 pasaux 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. FLIRSystems, 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 servicesaprès-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 disponiblespour 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. Veuillezvous reporter aux coordonnées fournies ci-dessous.
Copyright © 2013-2015 FLIRSystems, Inc.
Tous droits réservés, y comprisla reproduction partielle ou totale sous quelque forme que ce soit.
www.extech.com
Lignesd’assistance: États-Unis(877) 439-8324; international: [phone]
Service d’assistance technique : Option 3 ; E-mail : [e-mail]
Réparationset retours: Option 4 ; E-mail : [e-mail]
Les spécificationsproduit sont sujettes à modificationssans préavis.
Pour les toutesdernières informations, veuillez visiter notre site Web.
www.extech.com
FLIRCommercial Systems, Inc., 9 Townsend West, Nashua, NH03063 USA
Certifié ISO 9001

EX210_EX210T-en-US_v1.5 9/15
15
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, incidentaleso consecuentes. La responsabilidad total deFLIRestá 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
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.
Copyright © 2013-2015 FLIRSystems, Inc.
Reservados todos los derechos, incluyendo el derecho de reproducción total o parcial en cualquier medio
www.extech.com
Líneasde soporte: EE.UU. [phone]; Internacional: [phone]
Soporte Técnico Opción 3; correo electrónico: [e-mail]
Reparación / Devoluciones: Opción 4; correo electrónico: [e-mail]
Lasespecificacionesdel producto están sujetas a cambios sin 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