Extech Instruments RHT30 User manual

Brand: Extech Instruments

Model: RHT30

Category: Measuring, testing & control

Type: User manual

This manual is also suitable for

TH30

USERMANUAL

USBMulti‐FunctionDataloggers



RHT30Humidity/TemperatureDatalogger



TH30DualTemperatureDatalogger



AdditionalUserManualTranslationsavailableatwww.extech.com

2RHT30_TH30‐en‐GB_V1.0(11/16)

Introduction

ThankyouforselectingtheExtechmulti‐function,easy‐to‐use,portableUSB

datalogger.TheRHT30offerstemperatureandhumidityloggingandtheTH30offers

internal(air)andexternal(probe)temperaturelogging.



TheseUSBdataloggerscanbeconfiguredandcustomizedbytheuserbypluggingthem

intoaPCUSB

port,followingtheon‐screenprompts,andmakingselectionsonthe

supplied‘PDFLoggerConfigurationTool’.



Thesedevicesareshippedfullytestedandcalibratedand,withproperuse,willprovide

yearsofreliableservice.Pleasevisitourwebsite(www.extech.com)tocheckforthe

latestversionofthisUserManual,ProductUpdates,andCustomerSupport.



Features

 Plug‐and‐playdataloggerwithUSBconnector.NoUSBdriverrequired

 UserconfigurabledataloggingsettingsviasuppliedPCsoftwaretool

 AdvancedDataloggerfunctionsincludingdelayedstart,high/lowalarms,

bookmarking,andpasswordprotection

 AutomaticallygeneratePDFandMicrosoft

Excel

datalogreports

 Highaccuracythermistortemperaturesensoronbothmodelswithcapacitive

humiditysensorontheRHT30

 Compactlight‐weightdesign

 LargeLCDforeasyviewing

 Dualcolor(redandgreen)LEDstatusindicatorfordataloggerprogress,PC

connectionstatus,andhigh/lowalarms

 Largememory

capacity:48,000readings

Descriptions

DataloggerDescription

1. Externaltemperaturesensor(TH30only)

2. Externaltemperaturesensorconnection

todatalogger(TH30only)

3. Protectivecoverandswivelstand

(removetoexposeUSBplug).Rotatethe

coverforbestdesktopviewingangle.

4. LCDdisplay.RefertotheDisplayDescriptionlaterinthissection.

34 567

3RHT30_TH30‐en‐GB_V1.0(11/16)

5. StatusLEDindicator(red/green).RefertotheStatusLEDIndicatorDescription

laterinthissection.

6. MAX‐MINbutton.RefertotheButton

Descriptionslaterinthissection.

7. Sensors(Thermistorinternalair

temperatureandcapacitiveRHsensor)

8. PowerandDatalogStart/Stopbutton.

RefertotheButtonDescriptionslater

inthissection.

9. MARK/Batterylifebutton.RefertotheButtonDescriptionslaterinthis

section.

10. USBplug

11. Batterycompartment(CR2032x2)on

rear

12. Wallhangingmount(rear).Mounting

screwsupplied.

ButtonDescriptions

POWERbutton.ShortpresstopowerONorOFF.Notethatthedatalogger

cannotbeswitchedOFFwhiledataloggingisinprogress.



START/STOPbutton(samephysicalbuttonasthePowerbuttonabove).Press

andholdfor5secondstostartorstopthedatalogger.Notethatthedataloggerwill

notstartunlessithasbeenconfiguredusingthe‘PDFLoggerConfigurationTool.exe’

programasdescribedlaterinthisusermanual.



Maximum‐MinimumReadingbutton.Atanytime,shortpresstostep

throughthehighest(MX)andlowest(MIN)readingsrecordedinthecurrent

dataloggingsession.



Bookmarkbutton.Manuallyplaceatime‐stamped‘bookmark’inthedatalog

reportbypressingandholdingthebuttonuntilthedisplayedmeasurementflashes3

times.Uptoeight(8)bookmarkscanbesaved.



BatteryStatusNote:ShortpresstheMARKbuttontodisplaytheapproximatenumber

ofdaysremaining

forthebatterylife.

11 12

4RHT30_TH30‐en‐GB_V1.0(11/16)

Display(LCD)Description



F

C Temperatureunitofmeasureasprogrammedbytheuser

RH% DisplayedwhenshowingRelativeHumidityreading(RHT30)

T1  Representstheinternalsensor(air)temperature(TH30)

T2Representstheexternalprobetemperature.Ifnoprobeisconnected,

thedisplaywillshowdashesfortheT2temperaturereading(TH30)

H  HighAlarmtriggered

L LowAlarmtriggered

RECRECflashesoncepersecondwhenactivelydatalogging.Whenloggeris

programmedwitha‘StartDelay’,RECisdisplayedbutdoesnotflash

untilafterthedelaytimehaselapsedandtheloggingbegins

Batteryiconflashesoncepersecondwhenbatteryleveliscriticallylow

MXDisplayedwhenthemaximumrecordedreadingisselectedwiththe

MAX‐MINbutton

MN Displayedwhentherecordedminimum(MN)readingisselectedwith

theMAX‐MINbutton

LEDStatusIndicatorDescription

Thedualcolor(red/green)LEDstatusindicatorislocatedtotherightoftheLCD.

 Red(Alarm):Blinksredevery10secondsinanalarmcondition

 Green(Datalogging):Blinksgreenevery10secondswhileactivelydatalogging

 Green(PCconnection):GlowssteadygreenwhileestablishingconnectiontoPC 

5RHT30_TH30‐en‐GB_V1.0(11/16)

PDFLoggerConfigurationTool

ConnectthedataloggertoPCUSBport.ThePCwillprompttoviewfiles.Openthe‘PDF

LoggerConfigurationTool’fromthelistofavailablefiles.RefertotheOperation

Sectionforadditionaldetailsonthistool:





1. CONVERTTOEXCEL:Createaspreadsheetreportoftheloggeddata

2. CONVERTTOPDF:CreateaPDFreportandatrendgraphoftheloggeddata

3. CONFIGURATION:Clicktoconfigurethelogger

4. LANGUAGESELECTION

5. SAMPLINGRATE:Dataloggerrecordinginterval

6. STARTDELAY:Delayperiodfrom

whenSTARTispressedanddataloggingbegins

7. TEMP.UNIT:Temperatureunitselection(

F)

8. PASSWORD:Selecta16‐characterpasswordfortamperprotection

9. COMPANYNAME:20‐Characteruserlabelforinclusioninloggingreport

10. SAVE:PressSAVEtoconfirmtheconfiguration

11. MANUAL:OpenthesuppliedPDFUserManual

12. CANCEL:Aborttheconfiguration

13. ALARMLIMIT:SelecttheRH%and

Temperaturelow/highalarmlimits.Notethat

fortheTH30,RH%isreplacedbyexternaltemperatureprobealarmlimit

14. ALARMDELAY:Dataloggerwillignorealarmsfortheprogrammedperiodoftime

15. ALARMTYPE:SelectAlarmmode

3

4

5

6

7

8

9

10 11

13

14

15

2

6RHT30_TH30‐en‐GB_V1.0(11/16)

Operation

NOTES:

1.AdobeReader®softwareisrequired.

2.EnsuretheloggerisatroomtemperaturebeforeinsertingitintoaPCport.

3.Theexecutablefileforprogrammingisnamed“PDFLoggerConfigurationTool”.

4.Adataloggingsessioncannotstartuntilthedataloggerisproperlyconfigured.

ConfiguringtheTH30andRHT30foraDataloggingsession

Atanytimebeforeloggingisstarted,theloggercanbeprogrammedandre‐

programmed.Thepreviousloggingsessionwillbedeletedonceanewsessionis

started.

1. ConnectthedataloggertoaPCviatheUSBport.TheloggerwillswitchON

automatically.Notethatashortpress

ofthepowerbutton willalsopower

thelogger.

2. TheLEDwillglowgreenwhilea

connectionwithcomputerisbeing

established.

3. AnAutoPlaypromptwillappearonthePC

whencommunicationisestablished.

4. Clickon‘Openfoldertoviewfiles’tosee

theavailablefiles.

Opentheprogram"PDFLogger

ConfigurationTool.exe".

5. ThedefaultlanguageisEnglish;selectGerman,French,Italian,Spanish,or

Portugueseasdesired.Thegeneratedloggingreportformatwillmatchthe

languageselected.

6. ToreviewtheUserManual,click‘Manual’toopentheUserManualPDFfile.

7. Theparametersneededtoconfigurethedataloggerfor

loggingaredefined

below.Refertotheearlierscreenshotofthe‘PDFLoggerConfigurationTool’

windowforreference:

 DatalogSamplingRate

Selectthedataloggingsamplingrate(recordinginterval)from30seconds~

120minutes.Thedefaultsettingis30seconds.

 DatalogStartDelay

Selectaperiodof

timethatmustelapsebeforerecordingcanbeginafterthe

Start/Stopbutton

ispressed(selectfrom0minto24hours).Thedefault

settingis0minutes.

 TemperatureUnitofMeasurement

 Selectthetemperatureunit°Cor°F.

7RHT30_TH30‐en‐GB_V1.0(11/16)

 AlarmDelay

ThepresetalarmdelaytimefortheSingleEventAlarmmodeisalwayszero.

TheadjustabledelaytimerangefortheCumulativeAlarmis5~120minutes.

 AlarmModes

SingleEventAlarmmode:TheLEDimmediatelystartsflashingredevery10

secondswhenthemeasuredvalueexceedsthealarmthreshold.

CumulativeAlarmmode:TheLEDbeginsflashingredonlyaftertheaverage

valueexceedsthealarmthresholdandalsoafteranyprogrammedAlarm

Delaytime.SeeAlarmDelayparameterabove.

AlarmDisable(default):Alarmfunctiondisabled.

AlarmNote:TheLEDwillcontinueflashingredevery10seconds(onceitis

triggeredbyanalarm)evenwhenthemeasurementlaterreturnstothe

normalrange.TostoptheLEDalarm,plugtheloggerintothePCUSBportto

generateareport,orpoweroffthelogger(shortpressofthepowerbutton

whileitisnotconnectedtothePC).



AlarmLimits

Selectthealarmthresholdrangesforairandexternalprobetemperature

(TH30)orairtemperatureandRH%(RHT30).Forexample,iftheexternal

probetemperaturerangeissetto2.0~8.0

o

C,whenthemeasurementfalls

below2

Corexceeds8

o

CtheLEDwillflashredevery10seconds.

Note:Ifanalarmoccursbetweentwologgingpoints,theloggeddatawillnot

showthealarmbuttheLEDmaystillflashredevery10seconds,especiallyin

SingleEventalarmmode.Ifdesired,usetheCumulativeAlarmmodeto

minimizethiseffect.

 Password

A16alphanumericcharacter(max.)passwordmaybeusedtoprevent

unauthorizedre‐programming.

 UserCompanyName

Inputacompanynametobeincludedonthelogreport(20charactersmax.).

 ANoteOnTimeZones

Theloggerautomaticallysynchronizesthetimezonewith

theconnectedPC

when‘SAVE’isselected.Note:Timezonechangesoccurringduringloggingare

nottakenintoaccount.



Oncealltheprogrammingiscomplete,press‘SAVE’toconfirmthesettings.Closethe

setupwindow,removetheloggerfromthePCUSBport,andstartdataloggingas

describedinthenextsection.

8RHT30_TH30‐en‐GB_V1.0(11/16)

StartDatalogging

1. ConfiguretheloggeraspreviouslydescribedandthenholdtheStart/Stop 

buttonfor5secondstostartlogging.

2. Measurementsupdateonthedisplayevery10seconds.FortheRHT30the

temperatureandRH%displaystoggleevery5seconds.

3. IftheloggerisprogrammedwithaStartDelay:Afterpressingandholdingthe

Start/Stopbuttonfor5secondstostart

logging,RECwillappearontheLCDbut

willnotflashuntilthedelaytimehaselapsedandlogginghasbegun.

4. Whenthedataloggerissuccessfullyrunning,theLEDflashesgreenevery10

seconds(aslongasthereisnoalarm).

MonitoringAlarmsWhileDatalogging

TheLEDwillflashRED

every10secondswhenthereisanalarm.Thedisplayalso

shows‘L’forlowalarmand‘H’forhighalarm.TostoptheLEDfromflashingred,

plugtheloggerintoaPC,orpoweroff(shortpressofthepowerbutton).

Placing‘Bookmarks’WhileDatalogging

To

placeabookmarkmanuallyduringdatalogging,pressandholdtheMARKbutton

untilthemeasuredreadingflashes3times.Uptoeight(8)bookmarkscanbe

placed;thebookmarkswillappearintheloggingreport.

MAX‐MINReadings

ShortpresstheMAX‐MINbuttontostepthroughthehighest(MX)and

lowest(MN)

readingsstoredinmemory.

CheckingBatteryStatus

Atanytime,shortpresstheMARKbuttontoviewtheapproximatenumberofdays

remainingforbatterylife.Ifbatterypoweriscriticallylow,thebatteryiconwill

blinkoncepersecondontheLCDdisplay.

DownloadingLoggedData(PDFandSpreadsheetDatalogReports)

1. PressandholdtheStart/Stop buttonfor5secondstostopthedatalogger.

2. PlugtheloggerintothePCUSBport(thisalsostopsthedatalogger).

3. Openthe‘PDFloggerConfigurationtool’fromthelistofavailablefiles.

4. Choose‘ConverttoPDF’or‘ConverttoExcel’togenerateareport.

5. Select

thePCfilelocationwherethereportistobesaved.

6. ThePDFreportincludestherecordeddata,bookmarks,andatrendgraph.The

spreadsheetreportcontainsthesamedataasthePDFreportminusthetrend

graph.

9RHT30_TH30‐en‐GB_V1.0(11/16)

Specifications

Display(LCD)   5‐digitLCDwithmulti‐functionindicators

Statusindicator(LED) Dualcolormulti‐purposeLED(red/green)foractivelogging,

alarms,andPCconnectionstatus

TemperatureSensors NTCThermistors(TH30/RHT30internaltemperature

sensorsandTH30externaltemp.probe)

Ext.Temperatureprobelength 2.1m(84”)(TH30)

Temperaturerange  ‐30~70

C(‐22~158

F)internalandexternalprobes

Temperatureresolution  0.1

F

TemperatureAccuracy  ±0.5

C(0.9

F)forinternalandexternal(TH30)probe

HumiditySensor  Capacitive(RelativeHumidity)RHT30only

Humidityrange  0.1~99.9%RH

Humidityresolution 0.1%RH

HumidityAccuracy ±3%at25

C(10~90%RH),±5%allotherranges

LoggerType  Re‐usable

Dataloggercapacity TH30:24000airtemperature/24000externalprobetemp.readings

  RHT30:24000temperature/24000humidity(RH%)readings

Samplingintervals  30seconds and5,10,30,60,90,120minutes

Startdelaytime  0,5,30,45,60,90,120

minutes,and24hours

Alarmranges  Temp:‐30~70

C(‐22~158

F);Humidity:1to99%RH

Alarmdelay(inhibit) 0,5,30,45,60,90,120minutes

Alarmtypes  SingleEvent,Cumulative,andDisable

OperationButtons  Power/Start‐Stop,MARK,MAX‐MIN

Operatingtemperature ‐30~70

C(‐22~158

F)forlogging;Allowloggertoreturnto

roomtemperaturebeforeconnectingtoPC

OperatingRelativeHumidity <80%RH

Storagetemperature ‐40~85

C(‐40~185

F)

StorageHumidity<90%RH

Dimensions   80(L)x43(W)x2.5(D)mm(3.2x1.7x0.1”)

Weight   90g(3.2oz.)

Battery   Two(2)3.0VCR2032batteries(pre‐installed)

Batterylife  Three(3)months

SafetyCompliance CE

Warranty OneYear



10RHT30_TH30‐en‐GB_V1.0(11/16)

Maintenance

BatteryReplacement

Thebatterycompartmentislocatedonthebackofthedataloggerasshowninthe

Descriptionssection.Whenthebatterysymbolflashesonthedisplay,replacethe

batteriespromptly.

1. Usingalargecoin,rotatethebatterycompartmentlidclockwiseapproximately

onequarterturntoopenthecompartment

2. Replacethe

two(2)CR2032batterieswithpositive(+)sidefacingup

3. Replacethebatterycompartmentlidandturncounterclockwisetosecureit

4. Disposeofbatteriesinaccordancewithcountry,state,andlocalregulations



Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.

Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriatecollection

sites,theretailstorewherethebatterieswerepurchased,orwhereverbatteriesaresold.

Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuseris

obligatedtotakeend‐of‐

lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronicequipment.



BatteryStatusCheck

Tochecktheapproximatenumberofdaysofbatteryliferemaining,shortpressthe

MARKbutton.Thedisplaywillshowthenumberofdaysandthe‘d’fordays(XXd).



Cleaning

Wipethedataloggerwithadampcloth,donotusesolventsorabrasivesasthesemay

damagethedataloggerfinishanddisplaylens.

ErrorDisplayCodes

ERROR CAUSE SOLUTION

Dashes

‐‐‐‐‐.‐

Externalprobeunplugged(TH30only)

Checktheconnectionbetween

theexternalprobeandlogger

E02 Measuredvaluebelowspecifiedrange Operateinthespecifiedrange

E03 Measuredvalueabovespecifiedrange Operateinthespecifiedrange

E04 Temperatureerror(RHT30only) ContactExtechforservice

E11 Humiditycheckfailed(RHT30only) ContactExtechforservice

E31 Microprocessorfailed ContactExtechforservice

E33 Humiditymeasurementerror ContactExtechforservice



Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform

www.extech.com

Extech Instruments RHT30 User manual

Brand: Extech Instruments

Model: RHT30

Category: Measuring, testing & control

Type: User manual

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TH30

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Extech Instruments RHT30 User manual

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Extech Instruments RHT30 User manual

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