Extech Instruments RH210 User manual

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UserGuide
HygroThermometer
ModelRH210
RH210-en-GB_V1.0 12/14
2
Introduction
ThankyouforselectingtheExtechRH210HygroThermometerwhichsimultaneouslydisplays
RelativeHumidity,Temperature,andDewPoint.Measurementsaremadewitharemote
electrode.Thisdeviceisshippedfullytestedandcalibratedand,withproperuse,willprovide
yearsofreliableservice.Pleasevisitourwebsite(www.extech.com)forproductregistration,
support,andtocheckforthelatestversionofthisUserGuide.
Features
AirTemperature,RelativeHumidity,andDewpointmeasurements
Detachableprobeforeaseofuseinavarietyofmeasurementenvironments
Fasthumiditymeasuringresponsetime
Autoofffeaturetosavebatterylife
LCDdisplayshowsTemperatureand%RHorDewpointsimultaneously
DATAHOLDforholdingdisplayedreading
RecordandViewMin/Maxreadings
Programmingmodeforselecting
o
C/
o
Ftemperatureunitsandenabling/disablingtheauto
poweroffutility
Lowbatteryindicator
RH210-en-GB_V1.0 12/14
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1
2
3
4
5
6
7
8
9
MeterDescription
1. HumidityorDewPointreading
2. Temperaturereading
3. Powerbutton
4. DataHoldbutton
5. Recordbutton
6. Functionbutton
7. Probeconnection
8. SETbutton(underflap)
9. Probe
NOTE:Batterycompartmentonbackofmeter
MeterPower
Themeterispoweredbyone9Vbattery;pressthePowerbuttontoswitchthemeterON.Press
andholdthePowerbuttonforatleast2secondstoswitchthemeterOFF.
WhenpoweringON,themeterperformsaselftestwherebytheLCDdisplaycountsdowntozero
beforestabilizingatthenormaloperationscreen.
IfthemeterdoesnotswitchONwhenprompted,orifthelowbatteryiconisshowingontheLCD,
pleasereplacethebattery.Refertothe
batteryinstallationsectionfordetailedinformation.
TheAutoPowerOFFfeatureswitchesthemeterOFFaftera10minuteperiodofinactivity.To
defeatthisfeatureplease refertotheSetupModesection.
RH210-en-GB_V1.0 12/14
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Measurements
TakingRelativeHumidity/DewPointandAirTemperatureMeasurements
1. Connecttheelectrodetotheprobeinputsocketlocatedonthebottomofthemeter.
2. SwitchthemeterONbypressingthePowerbutton.
3. ThedisplaywillindicateAirtemperatureonthelowerleft(insmalldigitformat)and
either%RHorDewpointtemperatureontheupper
right.
4. PresstheFunctionbuttontoselecteither%RHorDewPointTemperature.
5. PresstheHoldbuttontofreezethecurrentvaluesonthedisplay.
6. PresstheRECbuttontoaccesstheMINMAXRecordingmode.Seedetailedinformation
intheMINMAXRecordingsection.
7. Press
andholdthePowerbuttonfor2secondstoturnthemeterOFF.
DataHold
1. PresstheHOLDbuttontofreezethedisplayedvalue.
2. TheLCDwilldisplayHOLDalongwiththeheldreading.
3. PresstheHOLDbuttonagaintoreleasethedataholdfunction.TheHOLDdisplayicon
willswitchOFF.
MINMAXRecording
Whenselected,theDataRecordingfunctionrecordstheMIN(lowest)andMAX(highest)
readings:
1. PresstheRECbuttononcetostartrecordingMINandMAXreadings.TheRECindicator
willappearonthedisplay.
2. PressRECagainandRECMAXwilldisplayonthescreenalongwiththe
maximumvalue.
3. PressRECagainandthedisplaywillshowRECMINalongwiththeminimumvalue.
4. ToviewtherealtimereadingswhilecontinuingtotracktheMINandMAXvalues,press
theHOLDbuttonwhileeithertheRECMAXorRECMINiconsarevisible;nowonly
the
RECiconwillbevisible.Themeterisnowcontinuingtomonitorthehighest(MAX)and
lowest(MIN)readingsbutisdisplayingrealtimemeasurements.ToviewtheMAXand
MINvaluesagainusetheRECbuttonasdescribedearlier.
5. ToexittheRecordmodeandresettheMINandMAXvalues,pressandholdtheREC
buttonforatleast2seconds.Thedisplaywillreturntothenormaloperatingmodeand
theREC/MAX/MINiconswillalldisappear.
RH210-en-GB_V1.0 12/14
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Setupmode
Note:TheSETUPModecannotbeaccessediftheHOLDortheMINMAXfunctionisactive.
1. Opentheflaponthemeter’srightsidetoaccesstherecessedSETbutton.
2. UseapapercliporsmallscrewdrivertopressandholdtheSETbuttonforatleast3seconds
untilthemeterbeepstwice.
3. The‘Code1000’promptshouldappearonthedisplay.Proceed
withthestepsbelow:
ChangetheTemperatureUnitsofMeasure(F/C)
With‘Code1000’showingonthedisplay(asexplainedabove),followthestepsbelow:
1. PressRECandthelowerdisplaylinewillshowtwounitsofmeasureicons.Thesmaller
digitsindicatetheunitofmeasurethatwillbeadoptedwhentheseprogrammingsteps
arecomplete.
2. ToselectF,presstheFunctionbuttonsothatthenumber1appearsandthenpress
REC.
3. ToselectC,presstheFunctionbuttonsothatthenumber0appearsand
thenpress
REC.
4. PresstheHOLDbuttontosavethesettingandreturntothenormaloperatingmode.The
displayshouldnowbeindicatingtheprogrammedunitofmeasure.
EnableDisabletheAutoPowerOFFutility
With‘Code1000’showingonthedisplay(asexplainedabove),followthestepsbelow:
1. PresstheRECbuttonandthenpresstheSETbutton(briefly)toaccesstheAutoOff
mode.
2. ToenabletheAutoOFFmode,presstheFunctionbuttontoindicatea1onthedisplay,
andthenpresstheRECbutton.
3. TodisabletheAuto–OFFmode,presstheFunctionbuttontoindicatea0onthe
display,andthenpresstheRECbutton.
4. PresstheHOLDbuttontosavethesettingandreturntothenormaloperatingmode.

RH210-en-GB_V1.0 12/14
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BatteryReplacement
The9Vbatterythatpowerstheinstrumentrequiresreplacingwhenthebatteryiconflasheson
thedisplay.Toreplacethebatteryfollowthestepsbelow:
1. SwitchthemeterOFF.
2. Disconnecttheprobefromtheinstrument.
3. OpentherearbatterycompartmentusingascrewdrivertoremovethetwoPhillipshead
screwsthatsecurethecompartment.
4. Carefullyremovetheoldbatteryfromthecompartmentandgentlyunsnapthebattery’s
terminalsfromthewired(red/black)connecto rs.
5. Installanew9Vbatterybysnappingthebatteryterminalsontothewiredconnectors
(observingcorrectpolarity)andinsertingthebatteryintothecompartment.
6. Installthebatterychamberintothemeterhousingandsecurewiththetwoscrews.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriate
collectionsites,theretailstorewhere thebatterieswerepurchased,orwherever
batteries
aresold.
Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotake
endoflifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronic
equipment.
RH210-en-GB_V1.0 12/14
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Specifications
GeneralSpecifications
Measurements Temperature,RelativeHumidity,Dewpointtemperature
Datahold Dataholdfreezesdisplayedreading
Memoryrecall Min/Maxreadingsstoreandrecall
Autopoweroff Meterswitchesoffafter10minutes(canbedisabled)
Samplerate 0.8second(approx.)
Operatingconditions Temperature:0to50°C(32to122°F);Humidity:<85%RH
Probe:0to95%RH
Batterypower 9Valkalinebattery
PowerConsumption Approx.6.0mADC
Weight 295g(0.65lbs.)includingbatteries&probe
Dimensions Meter:135x60x33mm(5.3x2.4x1.3")
Probe:197mm(7.8”)length;15mm(0.6”)diameteroftip
ElectricalSpecificationsat23°±5°C(73°F±9°F)
Measurement Range Resolution Accuracy
Relativehumidity 10%to95%RH 0.1%RH
>70%RH:+/(3%rdg+1%RH)
<70%RH:+/3%RH
DewPoint
25.3°Cto48.9°C 0.1°C Calculatedfrom
Temperatureand%RH
13.5°Fto120.1°F 0.1°F
Temperature
0°Cto50°C 0.1°C ±0.8°C
32°Fto122°F 0.1°F ±1.5°F
Note:AbovespecificationtestsconductedunderanRFfieldstrengthlessthan3V/Mand
frequencylessthan30MHz
Copyright©2014FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
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