AEMC CA879 Manuel utilisateur
CA879
INFRARED THERMOMETER
ENGLISH User Manual
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Statement of Compliance
Chauvin Arnoux®, Inc. d.b.a. AEMC®Instruments
certifies that this instrument has been calibrated
using standards and instruments traceable to
international standards.
We guarantee that at the time of shipping your
instrument has met its published specifications.
An NIST traceable certificate may be
requested at the time of purchase, or obtained
by returning the instrument to our repair and
calibration facility, for a nominal charge.
The recommended calibration interval for this
instrument is 12 months and begins on the date of
receipt by the customer. For recalibration, please
use our calibration services.
Serial #: ________________________________
Catalog #: 2121.37
Model #: CA879
Please fill in the appropriate date as indicated:
Date Received: _________________________________
Date Calibration Due: _______________________
Chauvin Arnoux®, Inc.
d.b.a AEMC®Instruments
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Table of Contents
1. INTRODUCTION............................................................................... 3
1.1 International Electrical Symbols...........................................................3
1.2 DenitionofMeasurementCategories.................................................4
1.3 ReceivingYourShipment.....................................................................4
1.4 OrderingInformation ............................................................................4
2. PRODUCT FEATURES ...................................................................... 5
2.1 Description ...........................................................................................5
2.2 Emissivity .............................................................................................5
2.3 ControlFeatures ..................................................................................6
3. SPECIFICATIONS............................................................................. 7
4. OPERATION .................................................................................... 8
4.1 Precautionsforuse ..............................................................................8
4.2 RatioBetweenDistancefromTarget/Diameter
ofMeasurementField ..........................................................................8
4.3 OperatingTest......................................................................................9
4.4 OperatingProcedure............................................................................9
5. MAINTENANCE ............................................................................. 10
5.1 Maintenance.......................................................................................10
5.2 Cleaning.............................................................................................10
5.2.1 CleaningtheHousing............................................................10
5.2.2 CleaningtheLens.................................................................10
5.3 ReplacingtheBattery.........................................................................10
RepairandCalibration........................................................................................11
TechnicalandSalesAssistance .........................................................................11
LimitedWarranty ................................................................................................12
WarrantyRepairs................................................................................................12
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Infrared Thermometer Model CA879
3
CHAPTER 1
INTRODUCTION
WARNING
Thesesafetywarningsareprovidedtoensurethesafetyofpersonnel.
Please read and complywiththeseprecautions:
Donotplacethethermometeronorclosetoobjectswhosetemperature•
is>65°C/150°F.
Ifthethermometerissubjectedtostrongambienttemperaturevariations,•
wait20minutesafterstabilizationbeforeresumingmeasurement.
To avoid errors in measurements, do not expose the thermometer to•
strongmagneticorelectricalelds(inductionheating,arc-weldingset,
etc.).
DonotaimthebeamoftheModelCA879laser'sviewnderatsomeone’s•
eyes.
Complywithoperatingenvironmentconditions.•
Keepthelensperfectlyclean.•
1.1 International Electrical Symbols
Signifies that the instrument is protected by double or reinforced insulation.
This symbol on the instrument indicates a WARNING that the operator must
refer to the user manual for instructions before operating the instrument. In
this manual, the symbol preceding instructions indicates that if the instructions
are not followed, bodily injury, installation/sample and/or product damage may
result.
Risk of electric shock. The voltage at the parts marked with this symbol may be
dangerous.
Laser radiation, do not look at the LASER beam.
LASER power < 1mW.
Wavelength 650nm.
Class II LASER, conforms to IEC 60825 standard (Ed. 1991).
The trash can with a line through it means that in the European Union, the product
must undergo selective disposal for the recycling of electric and electronic
material, in compliance with Directive WEEE 2002/96/EC.
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Infrared Thermometer Model CA879
1.2 Definition of Measurement Categories
CAT I: MeasurementcategoryIcorrespondstomeasurementstakenoncircuits
notdirectlyconnectedtothenetwork.
CAT II: Measurement category II corresponds to measurements taken on cir-
cuitsdirectlyconnectedtotheinstallation.
Example: measurementforelectrodomesticunits,portabletoolsand
analoguedevices
CAT III: Measurement category III corresponds to measurements on building
installations.
Example: measurementondistributionpanels,cabling,etc.
CAT IV: Measurement category IVcorresponds to measurements takenat the
sourceoflow-voltageinstallations
Example:meteringandmeasurementsonovervoltageprotectionde-
vices.
1.3 Receiving Your Shipment
Uponreceivingyourshipment,makesurethatthecontentsareconsistentwiththe
packinglist.Notifyyourdistributorofanymissingitems.Iftheequipmentappears
tobedamaged,leaclaimimmediatelywiththecarrierandnotifyyourdistributor
atonce,givingadetaileddescriptionofanydamage.Savethedamagedpacking
containertosubstantiateyourclaim.
1.4 Ordering Information
Infrared Thermometer Model CA879.............................................Cat. #2121.37
Includes soft carrying case, 9V battery and a user manual.
1.4.1 Accessories and Replacement Parts
Soft Carrying Case .........................................................................Cat. #2121.57
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CHAPTER 2
PRODUCT FEATURES
2.1 Description
TheInfraredThermometerModelCA879isanon-contacttemperaturemeasuring
instrument.Itprovidesprecisionmeasurementwithitslasertargetfeature.
Tomeasurethetemperatureofanobject,simplypointthegunatthesurfaceofthe
objectandthetemperaturewillappearonthedigitaldisplay.Thethermometerhas
anautomaticshut-offfeature.Shut-offwilloccurapproximately10secondsafter
thetriggerisreleased.
2.2 Emissivity
Allobjectswhosetemperatureishigherthanabsolutezero(-273.15°K)emitinfra-
redenergy.Thisenergyradiatesinalldirectionsatthespeedoflight.Whenthe
gunispointedatanobject,theprobe’slenssensesthisenergyandfocusesitonto
aninfrareddetectorcomprisedofathermocouplestack.Thedetectorproducesa
voltagesignalproportionaltotheamountofenergyreceived,andthereforepropor-
tionaltotheobject’stemperature.
Certainobjectsemitinfraredenergy,butalsoreectit.Unlikemattsurfaces,shiny
orhighly-polishedsurfacestendtoreectenergy.Thisreectionisrepresentedby
afactorcalledemissivity,whichmayvaryfrom0.1forahighlyreectiveobjectto
1foraatblackobject.InthecaseoftheModelCA879thermometer,theemis-
sivityispresetat0.95,themostfrequentvalue,enablingapproximately90%ofall
applicationstobecovered.
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Infrared Thermometer Model CA879
2.3 Control Features
1
2
3
4
5
6
7
SCAN
= 0.95
°C
°F
HOLD
8
9
10
13
14
12
11
15
Item Description
1LCD Display
2Temperature selection and backlight buttons
3Laser button
4Laser pointer beam
5IR Sensor
6Measurement trigger
7Battery cover
8Measurement indication
9Data hold indication
10 Low battery indication
11 Laser beam ON indication
12 Fixed emissivity ε(0.95)
13 Digital temperature indication
14 Degrees in Celsius
15 Degrees in Fahrenheit
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CHAPTER 3
SPECIFICATIONS
ELECTRICAL
Measuring Range -58° to 1022°F or -50° to 550°C (user selectable)
Resolution 0.1°F from -58° to 200°F, 1°F beyond this range
0.1°C from -50° to 200°C, 1°C beyond this range
Polarity Automatic (minus only)
Accuracy ±1.5% of the reading ±4°F of -4° to +1022°F / ±9°F of -58° to -4°F
±1.5% of the reading ±2°C of -20° to +550°C / ±5°C of -50° to -20°C
Emissivity Preset at 0.95
Spectral response 6 to 14µm
Response time 400ms
Laser 1mW (670nm type)
Power supply 9V battery (6LR61 or 6LF22)
MECHANICAL
Dimensions 9.05 x 3.93 x 2.20" (230 x 100 x 56mm)
Weight 290g
ENVIRONMENTAL
Operating:
Temperature
Humidity
32° to 122°F (0° to 50°C)
10% to 90% RH
Storage:
Temperature
Humidity
-4° to 140°F (-20° to 60°C) without battery
< 80% RH
SAFETY
Electromagnetic
compatibility
EN 50081-1 Ed. 1992 : EN 55022
EN 50082-1 Ed. 1997 : EN 55024
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Infrared Thermometer Model CA879
CHAPTER 4
OPERATION
4.1 Precautions for use
Ifthesurfacetobemeasuredis≤Ø1.96"(50mm),holdtheprobeascloseas
possibletothesurface(lessthan15"[40cm]away)Ifthesurfacetobemeasured
iscoveredinfrostorotherparticles,cleanitsothatitisproperlyexposed,before
takingameasurement.
Ifthesurfacetobemeasuredishighlyreective,applymatttapeorpainttothe
surfacebeforemeasuring.Ifthethermometerappearstobegivingincorrectindi-
cations,checktheconditionofthe lensat themeasurementopening,asitmay
beobscuredbycondensationorparticles.Ifso,cleanitbycarefullyfollowingthe
instructionsin§5.
4.2 Ratio Between Distance from Target/Diameter
of Measurement Field
Thisratio,alsocalledtheeldofvision,indicatesthediameterofthe•
measurementeldatagivendistancefromthetarget;
D/S=12:1(D=distance,S=spot).
Whenmeasuringsmallerareas,itisimportanttobringtheprobesufciently•
closetothetargettoavoidincludingotherpointsinthemeasurementeld.
Refertothediagramontheinstrument’ssidepanelasshownbelow.•
1.0 @12
25@300
3.0@36
75@900
5.0@60 inch
125@1500 mm
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4.3 Operating Test
For a quick verication that the thermometer is functioning correctly, point it at
watercontainingicecubes,sincethisprovidesasimplereferencefor32°F(0°C).
4.4 Operating Procedure
WARNING: Never point the LASER target beam at someone's eyes!
1. Activatethelaserbybrieydepressingthetrigger.
2. Congurethe instrument with the help of theLASER and BACKLIGHTING
buttons.
3. Selectameasurementunit.
4. Pointthethermometerattheobjectwhosetemperatureyouwishtomeasure,
withorwithoutusingtheLASERtarget.
5. Press the trigger to measure the temperature. If you hold the trigger in
this position, the thermometer will continuously measure variations in
temperature.
6. Releasethetrigger.Thedisplayedvalueisthelastvaluemeasured.
NOTE: Theinstrumentautomaticallyshutsdownafterafewseconds(10seconds
approx),storingthelastcongurationinitsmemory.
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