AEMC CA846 User manual

THERMO-HYGROMETER
TERMO-HIGRÓMETRO
E N G L I S H User Manual
E S PA Ñ O L Manual de Instrucciones
CA846
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

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. Refer to our repair
and calibration section at www.aemc.com.
Serial #: ________________________________
Catalog #: 2121.24
Model #: CA846
Please fill in the appropriate date as indicated:
Date Received: _________________________________
Date Calibration Due: _______________________
Chauvin Arnoux®, Inc.
d.b.a AEMC®Instruments
www.aemc.com
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

Thermo-Hygrometer Model CA846
1
Table of Contents
ENGLISH.................................................................................................1
ESPAÑOL..............................................................................................13
1. INTRODUCTION............................................................................... 2
1.1 International Electrical Symbols................................................2
1.2DenitionofMeasurementCategories .....................................3
1.3ReceivingYourShipment..........................................................3
1.4OrderingInformation.................................................................3
2. PRODUCT FEATURES ...................................................................... 4
2.1Description................................................................................4
2.2PushButtons ............................................................................5
2.2.1Center(Yellow)FunctionSwitch...................................5
2.2.2Back-Lightand°C/°FButton ...................................5
2.2.3MAXButton...................................................................5
2.2.4HOLDButton ................................................................5
3. SPECIFICATIONS............................................................................. 6
3.1EnvironmentalSpecications....................................................6
3.2MechanicalSpecications ........................................................7
3.3SafetySpecications ................................................................7
4. OPERATION .................................................................................... 8
4.1 Recommendations....................................................................8
4.2OperatingtheModelCA846 .....................................................8
5. MAINTENANCE ............................................................................... 9
5.1ReplacingtheBattery ...............................................................9
5.2 Cleaning....................................................................................9
RepairandCalibration...........................................................................10
Technical and Sales Assistance ............................................................10
Limited Warranty ...................................................................................11
WarrantyRepairs...................................................................................11
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

2
Thermo-Hygrometer Model CA846
CHAPTER 1
INTRODUCTION
Warning
• Donotconnectto,ortouch,anyelectricalcircuitwiththe
Thermo-Hygrometer.
• Toavoidinjuryorrehazard,donotoperatethisproductinan
explosiveatmosphereorenvironment.
• Remove(unscrew)theprotectivemetaltubecoveringthe
sensorheadwhenusingtheThermo-Hygrometer.
• DonotimmersetheThermo-Hygrometersensorheadintoliq-
uids-thismaycausepermanentdamagetothesensors.
• Screwontheprotectivemetaltubecoveringthesensorhead
whennotusingtheThermo-Hygrometer.
1.1 International Electrical Symbols
This symbol signifies that the instrument is protected by double or reinforced
insulation.
This symbol on the instrument indicates a WARNING and 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 product damage may result.
Risk of electric shock. The voltage at the parts marked with this symbol may be
dangerous.
This symbol refers to a type A current sensor. This symbol signifies that application
around and removal from HAZARDOUS LIVE conductors is permitted.
In conformity with WEEE 2002/96/EC
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

Thermo-Hygrometer Model CA846
3
1.2 Definition of Measurement Categories
Cat. II: Formeasurementsperformedoncircuitsdirectlyconnectedto
theelectricaldistributionsystem.Examplesaremeasurements
onhouseholdappliancesorportabletools.
Cat. III:Formeasurementsperformedinthebuildinginstallationat
thedistributionlevelsuchasonhardwiredequipmentin xed
installationandcircuitbreakers.
Cat. IV: Formeasurementsperformedattheprimaryelectricalsupply
(<1000V)suchasonprimaryovercurrentprotectiondevices,
ripplecontrolunits,ormeters.
1.3 Receiving Your Shipment
Uponreceivingyourshipment,makesurethatthecontentsareconsis-
tentwiththepackinglist.Notifyyourdistributorofanymissingitems.If
theequipmentappearstobedamaged,leaclaimimmediatelywiththe
carrierandnotifyyourdistributoratonce,givingadetaileddescriptionof
anydamage.Savethedamagedpackingcontainertosubstantiateyour
claim.
1.4 Ordering Information
Thermo-Hygrometer Model CA846 ..................................Cat. #2121.24
Includes meter, shockproof holster, 9V battery and user manual.
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

4
Thermo-Hygrometer Model CA846
CHAPTER 2
PRODUCT FEATURES
2.1 Description
TheThermo-HygrometerModelCA846isaportable,compactdigitalmeter
designedforsimplicityandone-handoperation. ThemeterusesanNTC
asthetemperaturesensorprovidingexcellentresponsetimetochanges
intemperature,goodrepeatabilityandaccuratereadings.
TheModelCA846alsoutilizesa thin-lmpolymer-capacitivetyperelative
humiditysensorashygrometersensor,offeringexcellentrecoveryfrom
100%moistureandfastresponsetimeanddurability.
1. Temperature/humiditysensor
withprotectivesensorcover
2. 3½digitdisplay
3. MAXbutton
4. °C/°Fselector&backlight
5. HOLDbutton
6. Power/mode selector
1
2
3 5
6
4
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

Thermo-Hygrometer Model CA846
5
2.2 Push Buttons
2.2.1 Center (Yellow) Function Switch
TurnsONtheThermo-Hygrometerandselectsthe%RHor°C/°Fsetting.
SlidethebuttontoOFFafteruse.
2.2.2 Back-Light and °C/°F Button
• PressthebuttontoturntheBack-LightON.
• Pressthebuttonagainto turntheBack-LightOFF.
• Pressthebuttonfor2secondstochangethetemperaturescaleto
°Cor°F.Thetemperaturescale°Cor°Fisdisplayedinthelowerright
handcornerofthedisplay.
2.2.3 MAX Button
• Pressthe MAXbuttontoentertheMAXmode.The“MAX”annunciator
appearsintheupperrighthandcornerofthedisplay.
• Theselectedrange(%RHor°C/°F)recordsandupdatesthemaximum
absolutevalues.
• PresstheMAXbuttonagaintoexittheMAX-recordingmode(“MAX”
goesout).
• TheHOLDbuttonmaybeusedintheMAXmodeto“Freeze”(nolonger
updates)theMAXmeasurementonthedisplay.
2.2.4 HOLD Button
TheHoldbutton“freezes”thereadingonthedisplay.Pressthe“HOLD”
buttontotoggle(activate/release)HOLD.IntheHOLDmode,the“HOLD”
annunciatorisdisplayedintheupperpartoftheLCDdisplayandthelast
readingisdisplayeduntilreleased.
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

6
Thermo-Hygrometer Model CA846
CHAPTER 3
SPECIFICATIONS
3.1 Environmental Specifications
Temperature Scale:Celsius(°C)orFahrenheit(°F)user-selectable
Temperature Sensor: NTC
Measurement Range:-4°to140°F,-20°to60°C
Resolution: 0.1°F/°C
Accuracy: -4° to 32°F ± 2°F (-20° to 0°C ± 1°C)
32° to 140°F ± 1°F (0° to 60°C ± 0.5°C)
Temperature Coefcient:0.1timestheapplicableaccuracyspecication
per°Cfrom0°to18°Cand28°to50°C(32°to64°Fand82°to122°F)
Humidity Sensor:Electroniccapacitancepolymerlmsensor.
(Thesensorisunaffectedby watercondensation,andisimmunetomost
reagentvapors)
Measurement Range: 0% to 100% RH
Resolution: 0.1% RH
Accuracy (@ 25°C): 10%-90% RH ± 5.0%
0%-10% RH; 90% to 100% RH ± 10.0%
Sensor Response Time for 90% of Range:60stypical
Sensor Stability:±2%RH,2yearstypical
Sensor Hysterisis (10% to 90% to 10% RH):±1%RHtypical
Sensor Temperature Dependence:
Negligiblefrom32°to140°F(0°to60°C)
Operating Temperature:
32° to 122°F (0°C to 50°C) at < 80% RH
Storage Temperature:
-4°to140°F(-20°to60°C),0to80%RHwithbatteryremoved
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

Thermo-Hygrometer Model CA846
7
Accuracy:
Statedaccuracyat23°C±5°C,<90%RH
Altitude: 2000m max
3.2 Mechanical Specifications
Display:
3½digitliquidcrystaldisplay(LCD)withmaximumreadingof1999
Over-Range:“OL”isdisplayed
Low Battery Indication: The isdisplayedwhenthebatteryvoltage
dropsbelowtherequiredlevel
Sample Rate: 2.5timespersecond,nominal
Input Protection:
24VDCor24Vrmsmaximuminputvoltageonanyinput
Power Supply:
Standard9Vbattery(NEDA1604,IEC6F22006P,orequivalent)
Battery Life:
200hourstypicalwithcarbonzincbattery
Dimensions:
6.81 x 2.38 x 1.5" (173 x 60.5 x 38mm)
Weight:
Approx7oz(197g)includingbattery
3.3 Safety Specifications
EN61010-1(1995-A2),ProtectionClassIII
OvervoltageCategory(CATIII,24V),PollutionDegree2
Indoor Use
*All specications are subject to change without notice
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

8
Thermo-Hygrometer Model CA846
CHAPTER 4
OPERATION
4.1 Recommendations
• Forreliablemeasurements,letthereadingsstabilize.Thehygrometer
andtemperaturesensormustreachequilibriumwiththemediummea-
sured.
• Avoidtemperaturemeasurementerrorsinducedbytooshortmea-
surementtime,sunshineduringthemeasurement,heating,coldouter
walls,airdraft(e.g.fans),radiatingsourcesincludinghandand/orbody
heat,etc.
• Avoidhumiditymeasurementerrorsinducedbysteam,watersplashes,
drippingwaterorcondensationonthesensor,etc.
• Avoidsensorcontaminationinducedbyparticlesintheairormeasure-
mentsinpowderlikesubstances.Contaminationmaybeavoidedby
measuringthroughalter(usersupplied).Theltermustbecleaned
orreplacedperiodically,dependinguponthedegreeofcontamination
atthemeasurementsite.
4.2 Operating the Model CA846
1. Unscrewtheprotectivemetaltubecoveringthesensor.
2. Setthepowerswitchtothedesired%RHor°C/°Frange.
3. Letthereading(s)stabilize(%RHtakesatleast60secondstoreach
90%).
4. Readthedisplay.
5. Afteruse,screwtheprotectivemetaltubebackontothesensor.
6. TurntheinstrumentOFFwhennished.
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

Thermo-Hygrometer Model CA846
9
CHAPTER 5
MAINTENANCE
Useonlyfactoryspeciedreplacementparts.AEMC®will not be held
responsiblefor anyaccident,incident,ormalfunctionfollowingarepair
doneotherthanbyitsservicecenterorbyanapprovedrepaircenter.
5.1 Replacing the Battery
The symbolappearsontheLCDdisplaywhenreplacementisneeded.
Replacewithastandard9Vbattery(NEDA1604,IEC6F22).
Toreplacethebattery:
• TurntheThermo-HygrometerOFF.
• Removetherubberholster.
• Removethescrewfromthebackofthemeterandliftoffthebattery
cover.
• Replacethebattery,thenputtherearcoverandholsterbackon.
5.2 Cleaning
• Useasoftclothlightlydampenedwithsoapywater.
• Rinsewithadampclothandthendrywithadrycloth.
• Donotuseanyabrasivesorsolvents.
• Donotletanyliquidenterthecaseorsensorarea.
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

10
Thermo-Hygrometer Model CA846
Repair and Calibration
Toensurethatyourinstrumentmeetsfactoryspecications,werecommend
thatitbescheduledbacktoourfactoryServiceCenteratone-yearintervals
forrecalibration,orasrequiredbyotherstandardsorinternalprocedures.
For instrument repair and calibration:
YoumustcontactourServiceCenterforaCustomerServiceAuthorization
Number(CSA#).Thiswillensurethatwhenyourinstrumentarrives,itwillbe
trackedandprocessedpromptly.PleasewritetheCSA#ontheoutsideofthe
shippingcontainer.Iftheinstrumentisreturnedforcalibration,weneedto
knowifyouwantastandardcalibration,oracalibrationtraceabletoN.I.S.T.
(Includescalibrationcerticateplusrecordedcalibrationdata).
Ship To:ChauvinArnoux®,Inc.
d.b.a. AEMC®Instruments
15 Faraday Drive
Dover,NH03820USA
Tel: (800) 945-2362 (Ext. 360)
(603) 749-6434 (Ext. 360)
Fax: (603) 742-2346 or (603) 749-6309
repair@aemc.com
(Orcontactyourauthorizeddistributor)
Costsforrepair,standardcalibration,andcalibrationtraceabletoN.I.S.T.are
available.
NOTE: You must obtain a CSA# before returning any instrument.
Technical and Sales Assistance
Ifyouareexperiencinganytechnicalproblems,orrequireanyassistance
withtheproperoperationorapplicationofyourinstrument,pleasecall,faxor
e-mailourtechnicalsupportteam:
ChauvinArnoux®,Inc.
d.b.a. AEMC®Instruments
Phone: (800) 945-2362 (Ext. 351)
(603) 749-6434 (Ext. 351)
Fax: (603) 742-2346
techsupport@aemc.com
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

Thermo-Hygrometer Model CA846
11
Limited Warranty
TheModelCA846iswarrantedtotheownerforaperiodof2yearsfromthe
dateoforiginalpurchaseagainstdefectsinmanufacture.Thislimitedwarranty
is given by AEMC®Instruments,notbythedistributorfromwhomitwas
purchased.Thiswarrantyisvoidiftheunithasbeentamperedwith,abused
orifthedefectisrelatedtoservicenotperformedbyAEMC® Instruments.
For full and detailed warranty coverage, please read the Warranty Cov-
erage Information, which is attached to the Warranty Registration Card
(if enclosed) or is available at www.aemc.com. Please keep the War-
ranty Coverage Information with your records.
What AEMC®Instruments will do:
Ifamalfunctionoccurswithinthewarrantyperiod,youmayreturnthe
instrumenttousforrepair,providedwehaveyourwarranty registration
informationonfileoraproofofpurchase.AEMC®Instrumentswill,at its
option,repairorreplacethefaultymaterial.
REGISTER ONLINE AT:
www.aemc.com
Warranty Repairs
What you must do to return an Instrument for Warranty Repair:
First,requestaCustomerServiceAuthorizationNumber (CSA#)byphone
orbyfaxfromourServiceDepartment(seeaddressbelow),thenreturnthe
instrumentalongwiththesignedCSAForm.PleasewritetheCSA#onthe
outsideoftheshippingcontainer.Returntheinstrument,postageorshipment
pre-paidto:
ChauvinArnoux®,Inc.d.b.a.AEMC®Instruments
ServiceDepartment
15FaradayDrive•Dover,NH03820USA
Tel: (800) 945-2362 (Ext. 360)
(603) 749-6434 (Ext. 360)
Fax: (603) 742-2346 or (603) 749-6309
repair@aemc.com
Caution:Toprotectyourselfagainstin-transitloss,werecommendyouinsure
yourreturnedmaterial.
NOTE: You must obtain a CSA# before returning any instrument.
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

Termo-Higrómetro Modelo CA846
13
Table of Contents
1. INTRODUCCIÓN............................................................................. 14
1.1 Símbolos Eléctricos Internacionales.......................................14
1.2DenicióndelasCategoríasdeMedición ..............................15
1.3RecepcióndeSuEmbarque...................................................15
1.4InformaciónparaponerunaOrden.........................................15
2. CARACTERÍSTICAS DEL PRODUCTO .............................................. 16
2.1Descripción.............................................................................16
2.2Botones...................................................................................17
2.2.1SelectordeFuncionesCentral(Amarillo) ...................17
2.2.2Botónde luzposteriory ºC/ºF..............................17
2.2.3BotónMAX..................................................................17
2.2.4BotónHOLD ...............................................................17
3. ESPECIFICACIONES ...................................................................... 18
3.1 EspecicacionesAmbientales ................................................18
3.2EspecicacionesdeMecanicas..............................................19
3.3EspecicacionesdeSeguridad...............................................19
4. OPERACIÓN.................................................................................. 20
4.1 Recomendaciones..................................................................20
4.2Operación ...............................................................................20
5. MANTENIMIENTO ......................................................................... 21
5.1ReemplazodelaBatería ........................................................21
5.2Limpieza .................................................................................21
ReparaciónyCalibración ......................................................................22
Asistencia Técnica y de Ventas.............................................................22
Garantía Limitada..................................................................................23
ReparacionesbajoGarantía..................................................................23
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com
Other manuals for CA846
1
Table of contents
Other AEMC Measuring Instrument manuals