AEMC CA846 User manual

THERMO-HYGROMETER
TERMO-HIGRÓMETRO
ENGLISH User Manual
ESPAÑOL Manual de Instrucciones
CA846
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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. 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
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Thermo-Hygrometer Model CA846 1
Table of Contents
ENGLISH.................................................................................................1
ESPAÑOL..............................................................................................13
1. INTRODUCTION............................................................................... 2
1.1 International Electrical Symbols................................................2
1.2 DenitionofMeasurementCategories .....................................3
1.3 ReceivingYourShipment..........................................................3
1.4 OrderingInformation.................................................................3
2. PRODUCT FEATURES ...................................................................... 4
2.1 Description................................................................................4
2.2 PushButtons ............................................................................5
2.2.1 Center(Yellow)FunctionSwitch ...................................5
2.2.2 Back-Light and°C/°FButton ...................................5
2.2.3 MAXButton...................................................................5
2.2.4 HOLDButton ................................................................5
3. SPECIFICATIONS............................................................................. 6
3.1 EnvironmentalSpecications....................................................6
3.2 MechanicalSpecications ........................................................7
3.3 SafetySpecications ................................................................7
4. OPERATION .................................................................................... 8
4.1 Recommendations....................................................................8
4.2 OperatingtheModelCA846 .....................................................8
5. MAINTENANCE ............................................................................... 9
5.1 ReplacingtheBattery ...............................................................9
5.2 Cleaning....................................................................................9
RepairandCalibration...........................................................................10
Technical and Sales Assistance ............................................................10
Limited Warranty ...................................................................................11
WarrantyRepairs...................................................................................11
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2 Thermo-Hygrometer Model CA846
CHAPTER 1
INTRODUCTION
Warning
• Do not connect to, or touch, any electrical circuit with the
Thermo-Hygrometer.
• Toavoidinjuryorrehazard,donotoperatethisproductinan
explosiveatmosphereorenvironment.
• Remove (unscrew) the protective metal tube covering the
sensorheadwhenusingtheThermo-Hygrometer.
• DonotimmersetheThermo-Hygrometersensorheadintoliq-
uids-thismaycausepermanentdamagetothesensors.
• Screwontheprotectivemetaltubecoveringthesensorhead
whennotusingtheThermo-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
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Thermo-Hygrometer Model CA846 3
1.2 Definition of Measurement Categories
Cat. I: Formeasurementsoncircuitsnotdirectly connected totheAC
supply wall outlet such as protected secondaries, signal level,
andlimitedenergycircuits.
Cat. II: For measurements performed on circuits directly connected to
the electrical distribution system. Examples are measurements
onhouseholdappliancesorportabletools.
Cat. III: For measurements performed in the building installation at
the distribution level such as on hardwired equipment in xed
installationandcircuitbreakers.
Cat. IV: For measurements performed at the primary electrical supply
(<1000V) such as on primary overcurrent protection devices,
ripplecontrolunits,ormeters.
1.3 Receiving Your Shipment
Uponreceiving yourshipment, makesure thatthe contentsare consis-
tentwith thepacking list.Notify yourdistributor ofany missingitems. If
theequipmentappearstobedamaged,leaclaimimmediatelywiththe
carrierandnotifyyourdistributoratonce,givingadetaileddescriptionof
anydamage.Savethedamagedpackingcontainertosubstantiateyour
claim.
1.4 Ordering Information
Thermo-Hygrometer Model CA846 ..................................Cat. #2121.24
Includes meter, shockproof holster, 9V battery and user manual.
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4 Thermo-Hygrometer Model CA846
CHAPTER 2
PRODUCT FEATURES
2.1 Description
TheThermo-HygrometerModelCA846isaportable,compactdigitalmeter
designedforsimplicityandone-handoperation.ThemeterusesanNTC
asthetemperaturesensorprovidingexcellentresponsetimetochanges
intemperature,goodrepeatabilityandaccuratereadings.
TheModelCA846alsoutilizesathin-lmpolymer-capacitivetyperelative
humidity sensor as hygrometer sensor, offering excellent recovery from
100%moistureandfastresponsetimeanddurability.
1.Temperature/humiditysensor 
withprotectivesensorcover
2.3½digitdisplay
3.MAXbutton
4.°C/°Fselector&backlight
5.HOLDbutton
6. Power/mode selector
1
2
3 5
6
4
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Thermo-Hygrometer Model CA846 5
2.2 Push Buttons
2.2.1 Center (Yellow) Function Switch
TurnsONtheThermo-Hygrometerandselectsthe%RHor°C/°Fsetting.
SlidethebuttontoOFFafteruse.
2.2.2 Back-Light and °C/°F Button
• Pressthe buttontoturntheBack-LightON.
• Pressthe buttonagaintoturntheBack-LightOFF.
• Pressthe buttonfor2secondstochangethetemperaturescaleto
°Cor°F.Thetemperaturescale°Cor°Fisdisplayedinthelowerright
handcornerofthedisplay.
2.2.3 MAX Button
• PresstheMAXbuttontoentertheMAXmode.The“MAX”annunciator
appearsintheupperrighthandcornerofthedisplay.
• Theselectedrange(%RHor°C/°F)recordsandupdatesthemaximum
absolutevalues.
• PresstheMAXbuttonagaintoexittheMAX-recordingmode(“MAX”
goesout).
• TheHOLDbuttonmaybeusedintheMAXmodeto“Freeze”(nolonger
updates)theMAXmeasurementonthedisplay.
2.2.4 HOLD Button
TheHoldbutton“freezes”thereadingonthedisplay.Pressthe“HOLD”
buttontotoggle(activate/release)HOLD.IntheHOLDmode,the“HOLD”
annunciatorisdisplayedintheupperpartoftheLCDdisplayandthelast
readingisdisplayeduntilreleased.
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6 Thermo-Hygrometer Model CA846
CHAPTER 3
SPECIFICATIONS
3.1 Environmental Specifications
Temperature Scale:Celsius(°C)orFahrenheit(°F)user-selectable
Temperature Sensor: NTC
Measurement Range:-4°to140°F,-20°to60°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 Coefcient:0.1timestheapplicableaccuracyspecication
per°Cfrom0°to18°Cand28°to50°C(32°to64°Fand82°to122°F)
Humidity Sensor:Electroniccapacitancepolymerlmsensor.
(Thesensorisunaffectedbywatercondensation,andisimmunetomost
reagentvapors)
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:60stypical
Sensor Stability:±2%RH,2yearstypical
Sensor Hysterisis (10% to 90% to 10% RH):±1%RHtypical
Sensor Temperature Dependence:
Negligiblefrom32°to140°F(0°to60°C)
Operating Temperature:
32° to 122°F (0°C to 50°C) at < 80% RH
Storage Temperature:
-4°to140°F(-20°to60°C),0to80%RHwithbatteryremoved
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Thermo-Hygrometer Model CA846 7
Accuracy:
Statedaccuracyat23°C±5°C,<90%RH
Altitude: 2000m max
3.2 Mechanical Specifications
Display:
3½digitliquidcrystaldisplay(LCD)withmaximumreadingof1999
Over-Range:“OL”isdisplayed
Low Battery Indication: The isdisplayedwhenthebatteryvoltage
dropsbelowtherequiredlevel
Sample Rate: 2.5timespersecond,nominal
Input Protection:
24VDCor24Vrmsmaximuminputvoltageonanyinput
Power Supply:
Standard9Vbattery(NEDA1604,IEC6F22006P,orequivalent)
Battery Life:
200hourstypicalwithcarbonzincbattery
Dimensions:
6.81 x 2.38 x 1.5" (173 x 60.5 x 38mm)
Weight:
Approx7oz(197g)includingbattery
3.3 Safety Specifications
EN61010-1(1995-A2),ProtectionClassIII
OvervoltageCategory(CATIII,24V),PollutionDegree2
Indoor Use
*All specications are subject to change without notice
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8 Thermo-Hygrometer Model CA846
CHAPTER 4
OPERATION
4.1 Recommendations
• Forreliablemeasurements,letthereadingsstabilize.Thehygrometer
andtemperaturesensormustreachequilibriumwiththemediummea-
sured.
• Avoid temperature measurement errors induced by too short mea-
surementtime,sunshineduringthemeasurement,heating,coldouter
walls,airdraft(e.g.fans),radiatingsourcesincludinghandand/orbody
heat,etc.
• Avoidhumiditymeasurementerrorsinducedbysteam,watersplashes,
drippingwaterorcondensationonthesensor,etc.
• Avoidsensorcontaminationinducedbyparticlesintheairormeasure-
mentsinpowderlikesubstances.Contaminationmaybeavoidedby
measuringthroughalter(usersupplied).Theltermustbecleaned
orreplacedperiodically,dependinguponthedegreeofcontamination
atthemeasurementsite.
4.2 Operating the Model CA846
1. Unscrewtheprotectivemetaltubecoveringthesensor.
2. Setthepowerswitchtothedesired%RHor°C/°Frange.
3. Letthereading(s)stabilize(%RHtakesatleast60secondstoreach
90%).
4. Readthedisplay.
5. Afteruse,screwtheprotectivemetaltubebackontothesensor.
6. TurntheinstrumentOFFwhennished.
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Thermo-Hygrometer Model CA846 9
CHAPTER 5
MAINTENANCE
Use only factory specied replacement parts. AEMC®will not be held
responsible for any accident, incident, or malfunction following a repair
doneotherthanbyitsservicecenterorbyanapprovedrepaircenter.
5.1 Replacing the Battery
The symbolappearsontheLCDdisplaywhenreplacementisneeded.
Replacewithastandard9Vbattery(NEDA1604,IEC6F22).
Toreplacethebattery:
• TurntheThermo-HygrometerOFF.
• Removetherubberholster.
• Removethescrewfromthebackofthemeterandliftoffthebattery
cover.
• Replacethebattery,thenputtherearcoverandholsterbackon.
5.2 Cleaning
• Useasoftclothlightlydampenedwithsoapywater.
• Rinsewithadampclothandthendrywithadrycloth.
• Donotuseanyabrasivesorsolvents.
• Donotletanyliquidenterthecaseorsensorarea.
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10 Thermo-Hygrometer Model CA846
Repair and Calibration
Toensurethatyourinstrumentmeetsfactoryspecications,werecommend
thatitbescheduledbacktoourfactoryServiceCenteratone-yearintervals
forrecalibration,orasrequiredbyotherstandardsorinternalprocedures.
For instrument repair and calibration:
You must contact our Service Center for a Customer ServiceAuthorization
Number(CSA#).Thiswillensurethatwhenyourinstrumentarrives,itwillbe
trackedandprocessedpromptly.PleasewritetheCSA#ontheoutsideofthe
shipping container. If the instrument is returned for calibration, we need to
knowifyouwantastandardcalibration,oracalibrationtraceabletoN.I.S.T.
(Includescalibrationcerticateplusrecordedcalibrationdata).
Ship To: ChauvinArnoux®,Inc.
d.b.a. AEMC®Instruments
15 Faraday Drive
 Dover,NH03820USA
Tel: [phone] (Ext. 360)
[phone] (Ext. 360)
Fax: [phone] or [phone]
 [email protected]
(Orcontactyourauthorizeddistributor)
Costsforrepair,standardcalibration,andcalibrationtraceabletoN.I.S.T.are
available.
NOTE: You must obtain a CSA# before returning any instrument.
Technical and Sales Assistance
Ifyouareexperiencinganytechnicalproblems,orrequireanyassistancewith
theproperoperationorapplicationofyourinstrument,pleasecall,mail,faxor
e-mailourtechnicalsupportteam:
 ChauvinArnoux®,Inc.
d.b.a. AEMC®Instruments
 200FoxboroughBoulevard
 Foxborough,MA02035USA
Phone: [phone]
[phone]
Fax: [phone]
 [email protected]
www.aemc.com
NOTE: Do not ship Instruments to our Foxborough, MA address.
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Thermo-Hygrometer Model CA846 11
Limited Warranty
TheModelCA846iswarrantedtotheownerforaperiodofoneyearfromthe
dateoforiginalpurchaseagainstdefectsinmanufacture.Thislimitedwarranty
is given by AEMC® Instruments, not by the distributor from whom it was
purchased.Thiswarrantyisvoidiftheunithasbeentamperedwith,abused
orifthedefectisrelatedtoservicenotperformedbyAEMC® 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 the
instrument to us for repair, provided we have your warranty registration
information on le or a proof of purchase. AEMC® Instruments will, at its
option,repairorreplacethefaultymaterial.
REGISTER ONLINE AT:
www.aemc.com
Warranty Repairs
What you must do to return an Instrument for Warranty Repair:
First,requestaCustomerServiceAuthorizationNumber(CSA#)byphone
orbyfaxfromourServiceDepartment(seeaddressbelow),thenreturnthe
instrumentalongwiththesignedCSAForm.PleasewritetheCSA#onthe
outsideoftheshippingcontainer.Returntheinstrument,postageorshipment
pre-paidto:
 ChauvinArnoux®,Inc.d.b.a.AEMC®Instruments
 ServiceDepartment
 15FaradayDrive•Dover,NH03820USA
Tel: [phone] (Ext. 360)
[phone] (Ext. 360)
Fax: [phone] or [phone]
 [email protected]
Caution:Toprotectyourselfagainstin-transitloss,werecommendyouinsure
yourreturnedmaterial.
NOTE: You must obtain a CSA# before returning any instrument.
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12 Thermo-Hygrometer Model CA846
NOTES:
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Termo-Higrómetro Modelo CA846 13
Table of Contents
1. INTRODUCCIÓN............................................................................. 14
1.1 Símbolos Eléctricos Internacionales.......................................14
1.2 DenicióndelasCategoríasdeMedición ..............................15
1.3 RecepcióndeSuEmbarque...................................................15
1.4 InformaciónparaponerunaOrden.........................................15
2. CARACTERÍSTICAS DEL PRODUCTO .............................................. 16
2.1 Descripción .............................................................................16
2.2 Botones...................................................................................17
2.2.1 SelectordeFuncionesCentral(Amarillo) ...................17
2.2.2 Botóndeluzposterior y ºC/ºF..............................17
2.2.3 BotónMAX..................................................................17
2.2.4 BotónHOLD ...............................................................17
3. ESPECIFICACIONES ...................................................................... 18
3.1 EspecicacionesAmbientales ................................................18
3.2 EspecicacionesdeMecanicas..............................................19
3.3 EspecicacionesdeSeguridad...............................................19
4. OPERACIÓN.................................................................................. 20
4.1 Recomendaciones..................................................................20
4.2 Operación ...............................................................................20
5. MANTENIMIENTO ......................................................................... 21
5.1 ReemplazodelaBatería ........................................................21
5.2 Limpieza .................................................................................21
ReparaciónyCalibración ......................................................................22
Asistencia Técnica y de Ventas.............................................................22
Garantía Limitada..................................................................................23
ReparacionesbajoGarantía..................................................................23
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14 Termo-Higrómetro Modelo CA846
CAPÍTULO 1
INTRODUCCIÓN
Advertencia
• No conectar ni tocar ningún circuito eléctrico con en Termo-
Higrómetro.
• Paraevitarheridasoriesgodeincendio,noopereesteproducto
enatmósferasoambientesexplosivos.
• CuandouseelTermo-Higrómetroremueva(destornille)eltubo
metálicoprotectorquecubrelacabezasensora.
• NosumerjalacabezasensoradelTermo-Higrómetroenlíquidos
–estopuededañarpermanentementelossensores.
• Repongaeltubometálicoprotectorquecubrelacabezasensora
cuandonoestéusandoelTermo-Higrómetro.
1.1 Símbolos Eléctricos Internacionales
Este símbolo significas que el instrumento esta protegido con doble
aislamiento.
Este símbolo en el instrumento indica una ADVERTENCIA y que el operador
deberá consultar el manual del usuario para obtener instrucciones antes de
utilizar el instrumento. En este manual, el símbolo anterior a las instrucciones
indica que si las instrucciones no se siguen, se pueden provocar, lesión
corporal y también se pueden provocar daños en los productos
¡Peligro! Riesgo de shock eléctrico. La tensión en la parte marcada con este
símbolo puede ser peligroso
De conformidad con WEEE 2002/96/EC
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Termo-Higrómetro Modelo CA846 15
1.2 Definición de las Categorías de Medición
Cat. I: Para las mediciones de los circuitos que no están directamente
conectadasalareddesuministro,talescomotomadecorriente
secundarias protegida, de nivel, y circuitos  con limitación de
corriente...
Cat. II:Paralasmedicionesrealizadasenloscircuitosconectadodirecta-
mentealsistemadedistribucióneléctrica.Ejemplosdeellosonlas
medicionesdelosaparatosdomésticosoinstrumentosportátiles.
Cat. III:Para las mediciones realizadas en la construcción de la insta-
lación a nivel de distribución, tales como la conguración en un
equipodeinstalaciónjaydisyuntores
Cat. IV:Paralasmedicionesrealizadasenelprincipalsuministroeléctrico
(<1000),comoenlosdispositivosdeproteccióndesobrecorriente
primaria,unidadesdecontroldeondulación,omedidores.
1.3 Recepción de Su Embarque
Luegoderecibidosuembarque,asegúresequeelcontenidocoincidecon
laguíadedespacho.Aviseasudistribuidorsobrecualquierpartefaltante.
Si el equipo aparece dañado, presente un reclamo inmediatamente al
transportadoryaviseinmediatamenteasudistribuidor,dandounades-
cripcióndetalladadelosdaños.Conserveelempaquedañadoparares-
paldarsureclamo.Noutiliceuninstrumentoqueaparezcadañado.
1.4 Información para poner una Orden
Termo-Higrómetro Modelo CA846 ...................................Cat. #2121.24
Incluye una batería Alcalina de 9V, un protector gris rugoso a pruebas de golpes y resistente
al polvo y manual del usuario
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16 Termo-Higrómetro Modelo CA846
CAPÍTULO 2
CARACTERÍSTICAS DEL PRODUCTO
2.1 Descripción
El Modelo CA846 de AEMC®esunTermo-Higrómetrodigitalportátil,com-
pactoyfácildeusardiseñadoparaoperarloconunasolamano.Utilizaun
sensorNTCyunsensordehumedadcapacitivoformadoporunapelícula
delgadadepolímero.
ElTermo-Higrómetroseentregaconelsensoryunafundaprotectorade
goma.ElModeloCA846poseetambiénunapantalladeLCDconilumi-
naciónposterior,unafunciónmantenerlectura(HOLD),yunafunciónde
registro de máximos (MAX).
1.SensorTemperatura/Humedady
 cubiertaprotectoradelsensor
2. Pantalla de 3½ digitos
3.BotónMAX(Máximo)
4.Selector°C/°FyLuzPosterior
5.BotónHOLD(Guardar)
6. Selector Encendido/Modo
 (Temp.-RH)
1
2
3 5
6
4
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Termo-Higrómetro Modelo CA846 17
2.2 Botones
2.2.1 Selector de Funciones Central (Amarillo)
DesliceelbotóncentralparaencenderelTermo-Higrómetroyseleccione
laposición%HRoºC/ºF.DesliceelbotónhaciaOFFdespuésdeusarlo.
2.2.2 Botón de luz posterior y ºC/ºF
• Presioneelbotón paraencenderlailuminaciónposterior.
•
Presione el botón nuevamente para apagar la iluminación poste-
rior.
• Presioneelbotón durante2segundosparacambiarlaescalade
temperaturaaºCoºF.LaescaladetemperaturaºCoºFsemuestra
enlaesquinainferiorderechadelapantalla.
2.2.3 Botón MAX
• PresioneelbotónMAXparaentrarenelmodoMAX.Elsímbolo“MAX”
apareceenlaesquinasuperiorderechadelapantalla.
• Laescalaseleccionada(%HRoºC/ºF)registrayactualizalosvalores
máximosabsolutos.
• Presioneel botónMAX nuevamentepara salirdel modode registro
MAX(elsímbolo“MAX”desaparece).
• ElbotónHOLD(veaabajo)puedeserusadoenelmodoMAXpara
“congelar”(noseactualizamás)lalecturaMAXenlapantalla.
2.2.4 Botón HOLD
El botón HOLD “congela” la lectura en la pantalla. Presione el botón
“HOLD” alternadamente para activar/desactivar la función HOLD. En el
modoHOLD,elsímbolo“HOLD”apareceenlapartesuperiordelapanta-
llaLCDysemuestralaúltimalecturahastaquesedesactiveestemodo.
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18 Termo-Higrómetro Modelo CA846
CAPÍTULO 3
ESPECIFICACIONES
3.1 Especificaciones Ambientales
Escala de Temperatura:
Celsius(°C)oFahrenheit(°F)aeleccióndelusuario
Sensor de Temperatura: NTC
Rango de Medición:-4°a140°F,-20°a60°C
Resolución: 0.1°F/°C
Exactitud: 32° a 140°F: ±1°F
-4° a 32°F: ±2°F
0° a 60°C: ±0.5°C
-20° a 0°C: ±1°C
Coeciente de Temperatura:
0.1veceslaexactitudaplicablepor°Cde0°a18°Cy28°a50°C(32°a
64°F y 82° a 122°F)
Sensor de Humedad:
Sensor electrónico capacitivo basado en una película de polímero.
(Elsensor no es afectado por condensación de aguay es inmune a la
mayoríadelosvaporesdereactivos)
Rango de Medición: 0% a 100%HR
Resolución: 0.1%HR
Exactitud (@ 25°C): 10%-90% HR; ± 5.0%
0%-10% HR; 90% a 100% HR; ± 10.0%
Tiempo de Respuesta del Sensor para 90% del Rango:
Valortípico60s
Estabilidad del Sensor:±2%HR,valortípico2años
Histéresis del Sensor (10% a 90% a 10% HR):valortípico±1%HR
Dependencia de la temperatura del Sensor:
Despreciablede32°a140°F(0°a60°C)
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