THERMO-HYGROMETER CA846 · The Thermo-Hygrometer Model CA846 is a portable, compact digital meter...
Transcript of THERMO-HYGROMETER CA846 · The Thermo-Hygrometer Model CA846 is a portable, compact digital meter...
THERMO-HYGROMETER
E N G L I S H User Manual
CA84699 Washington Street Melrose, MA 02176 Phone 781-665-1400Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.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.
Serial #: ________________________________
Catalog #: 2121.24
Model #: CA846
Please fill in the appropriate date as indicated:
Date Received: _________________________________
Date Calibration Due: _______________________
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Table of Contents
ENGLISH .................................................................................................1ESPAÑOL ..............................................................................................13
1. INTRODUCTION ............................................................................... 21.1 International Electrical Symbols ................................................21.2 DefinitionofMeasurementCategories .....................................31.3 ReceivingYourShipment ..........................................................31.4 OrderingInformation .................................................................3
2. PRODUCT FEATURES ...................................................................... 42.1 Description ................................................................................42.2 PushButtons ............................................................................5
2.2.1 Center(Yellow)FunctionSwitch ...................................5
2.2.2 Back-Light and°C/°FButton ...................................52.2.3 MAXButton ...................................................................52.2.4 HOLDButton ................................................................5
3. SPECIFICATIONS............................................................................. 63.1 EnvironmentalSpecifications ....................................................63.2 MechanicalSpecifications ........................................................73.3 SafetySpecifications ................................................................7
4. OPERATION .................................................................................... 84.1 Recommendations ....................................................................84.2 OperatingtheModelCA846 .....................................................8
5. MAINTENANCE ............................................................................... 95.1 ReplacingtheBattery ...............................................................95.2 Cleaning ....................................................................................9
RepairandCalibration ...........................................................................10
Technical and Sales Assistance ............................................................10
Limited Warranty ...................................................................................11
WarrantyRepairs ...................................................................................11
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CHAPTER 1
INTRODUCTION
Warning
• Do not connect to, or touch, any electrical circuit with theThermo-Hygrometer.
• Toavoidinjuryorfirehazard,donotoperatethisproductinanexplosiveatmosphereorenvironment.
• Remove (unscrew) the protective metal tube covering thesensorheadwhenusingtheThermo-Hygrometer.
• DonotimmersetheThermo-Hygrometersensorheadintoliq-uids-thismaycausepermanentdamagetothesensors.
• Screwontheprotectivemetal tubecoveringthesensorheadwhennotusingtheThermo-Hygrometer.
1.1 International Electrical SymbolsThis 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
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1.2 Definition of Measurement CategoriesCat. I: Formeasurementsoncircuitsnotdirectlyconnected to theAC
supplywall outlet such as protected secondaries, signal level,andlimitedenergycircuits.
Cat. II: Formeasurements performed on circuits directly connected totheelectricaldistributionsystem.Examplesaremeasurementsonhouseholdappliancesorportabletools.
Cat. III: For measurements performed in the building installation atthe distribution level such as on hardwired equipment in fixedinstallationandcircuitbreakers.
Cat. IV: For measurements performed at the primary electrical supply(<1000V) such as on primary overcurrent protection devices,ripplecontrolunits,ormeters.
1.3 Receiving Your ShipmentUponreceivingyourshipment,makesure that thecontentsareconsis-tentwith thepacking list.Notifyyourdistributorofanymissing items. Iftheequipmentappearstobedamaged,fileaclaimimmediatelywiththecarrierandnotifyyourdistributoratonce,givingadetaileddescriptionofanydamage.Savethedamagedpackingcontainertosubstantiateyourclaim.
1.4 Ordering InformationThermo-Hygrometer Model CA846 ..................................Cat. #2121.24Includes meter, shockproof holster, 9V battery and user manual.
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CHAPTER 2
PRODUCT FEATURES
2.1 DescriptionTheThermo-HygrometerModelCA846isaportable,compactdigitalmeterdesignedforsimplicityandone-handoperation.ThemeterusesanNTCasthetemperaturesensorprovidingexcellentresponsetimetochangesintemperature,goodrepeatabilityandaccuratereadings.
TheModelCA846alsoutilizesathin-filmpolymer-capacitivetyperelativehumidity sensorashygrometersensor,offeringexcellent recovery from100%moistureandfastresponsetimeanddurability.
1. Temperature/humiditysensorwithprotectivesensorcover
2. 3½digitdisplay
3. MAXbutton
4. °C/°Fselector&backlight
5. HOLDbutton
6. Power/mode selector
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2
3 5
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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
• Pressthe buttontoturntheBack-LightON.
• Pressthe buttonagaintoturntheBack-LightOFF.
• Pressthe buttonfor2secondstochangethetemperaturescaleto°Cor°F.Thetemperaturescale°Cor°Fisdisplayedinthelowerrighthandcornerofthedisplay.
2.2.3 MAX Button• PresstheMAXbuttontoentertheMAXmode.The“MAX”annunciator
appearsintheupperrighthandcornerofthedisplay.• Theselectedrange(%RHor°C/°F)recordsandupdatesthemaximum
absolutevalues.• PresstheMAXbuttonagaintoexittheMAX-recordingmode(“MAX”
goesout).• TheHOLDbuttonmaybeusedintheMAXmodeto“Freeze”(nolonger
updates)theMAXmeasurementonthedisplay.
2.2.4 HOLD ButtonTheHoldbutton“freezes”thereadingonthedisplay.Pressthe“HOLD”buttontotoggle(activate/release)HOLD.IntheHOLDmode,the“HOLD”annunciatorisdisplayedintheupperpartoftheLCDdisplayandthelastreadingisdisplayeduntilreleased.
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CHAPTER 3
SPECIFICATIONS
3.1 Environmental SpecificationsTemperature 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 Coefficient:0.1timestheapplicableaccuracyspecificationper°Cfrom0°to18°Cand28°to50°C(32°to64°Fand82°to122°F)
Humidity Sensor:Electroniccapacitancepolymerfilmsensor.(Thesensorisunaffectedbywatercondensation,andisimmunetomostreagentvapors)
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
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Accuracy:Statedaccuracyat23°C±5°C,<90%RH
Altitude: 2000m max
3.2 Mechanical SpecificationsDisplay:3½digitliquidcrystaldisplay(LCD)withmaximumreadingof1999
Over-Range:“OL”isdisplayed
Low Battery Indication: The isdisplayedwhenthebatteryvoltagedropsbelowtherequiredlevel
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 specifications are subject to change without notice
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CHAPTER 4
OPERATION
4.1 Recommendations• Forreliablemeasurements,letthereadingsstabilize.Thehygrometer
andtemperaturesensormustreachequilibriumwiththemediummea-sured.
• Avoid temperature measurement errors induced by too short mea-surementtime,sunshineduringthemeasurement,heating,coldouterwalls,airdraft(e.g.fans),radiatingsourcesincludinghandand/orbodyheat,etc.
• Avoidhumiditymeasurementerrorsinducedbysteam,watersplashes,drippingwaterorcondensationonthesensor,etc.
• Avoidsensorcontaminationinducedbyparticlesintheairormeasure-mentsinpowderlikesubstances.Contaminationmaybeavoidedbymeasuringthroughafilter(usersupplied).Thefiltermustbecleanedorreplacedperiodically,dependinguponthedegreeofcontaminationatthemeasurementsite.
4.2 Operating the Model CA8461. Unscrewtheprotectivemetaltubecoveringthesensor.
2. Setthepowerswitchtothedesired%RHor°C/°Frange.
3. Letthereading(s)stabilize(%RHtakesatleast60secondstoreach90%).
4. Readthedisplay.
5. Afteruse,screwtheprotectivemetaltubebackontothesensor.
6. TurntheinstrumentOFFwhenfinished.
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CHAPTER 5
MAINTENANCE
Use only factory specified replacement parts.AEMC® will not be held responsible for anyaccident, incident, ormalfunction followinga repairdoneotherthanbyitsservicecenterorbyanapprovedrepaircenter.
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.
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Repair and CalibrationToensurethatyourinstrumentmeetsfactoryspecifications,werecommendthatitbescheduledbacktoourfactoryServiceCenteratone-yearintervalsforrecalibration,orasrequiredbyotherstandardsorinternalprocedures.
For instrument repair and calibration:Youmust contactourServiceCenter foraCustomerServiceAuthorizationNumber(CSA#).Thiswillensurethatwhenyourinstrumentarrives,itwillbetrackedandprocessedpromptly.PleasewritetheCSA#ontheoutsideoftheshipping container. If the instrument is returned for calibration,weneed toknowifyouwantastandardcalibration,oracalibrationtraceabletoN.I.S.T.(Includescalibrationcertificateplusrecordedcalibrationdata).
(Orcontactyourauthorizeddistributor)Costsforrepair,standardcalibration,andcalibrationtraceabletoN.I.S.T.areavailable.NOTE: You must obtain a CSA# before returning any instrument.
Technical and Sales AssistanceIfyouareexperiencinganytechnicalproblems,orrequireanyassistancewiththeproperoperationorapplicationofyourinstrument,pleasecall,mail,faxore-mailourtechnicalsupportteam:
NOTE: Do not ship Instruments to our Foxborough, MA address.
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Limited WarrantyTheModelCA846iswarrantedtotheownerforaperiodofoneyearfromthedateoforiginalpurchaseagainstdefectsinmanufacture.Thislimitedwarrantyis given by AEMC® Instruments, not by the distributor from whom it waspurchased.Thiswarrantyisvoidiftheunithasbeentamperedwith,abusedorifthedefectisrelatedtoservicenotperformedbyAEMC® 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:If a malfunction occurs within the one-year period, you may return theinstrument to us for repair, provided we have your warranty registrationinformation on file or a proof of purchase.AEMC® Instruments will, at itsoption,repairorreplacethefaultymaterial.
Warranty RepairsWhat you must do to return an Instrument for Warranty Repair: First, requestaCustomerServiceAuthorizationNumber (CSA#)byphoneorbyfaxfromourServiceDepartment(seeaddressbelow),thenreturntheinstrumentalongwiththesignedCSAForm.PleasewritetheCSA#ontheoutsideoftheshippingcontainer.
Caution:Toprotectyourselfagainstin-transitloss,werecommendyouinsureyourreturnedmaterial.
NOTE: You must obtain a CSA# before returning any instrument.
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NOTES:
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
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