Extech Instruments RH25 Bedienungsanleitung

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USERGUIDE

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HeatIndexPsychrometer

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ModelRH25

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2RH25‐EU‐ENv1.05/13

Introduction

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ThankyouforselectingtheExtechInstrumentsModelRH25HeatIndexPsychrometer.TheRH25

measuresTemperatureandRelativeHumidity(usingprecisioncapacitanceRHsensor).TheRH25

alsocalculatesanddisplaysHeatIndex,DewPoint,WetBulb,andWetBulbGlobetemperatures.

TheHighTemperatureAlarmfeaturealertstheuserwhenHeatIndexorWetBulbGlobelevels

exceeduser‐presetlimits.

DataHoldandMIN/MAX/AVGmemoryutilitiesmakeiteasiertorecallimportantdata.

Thisdeviceis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Guide,ProductUpdates,andCustomerSupport.

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Description

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Meter

1. Sensorarea

2. Displayarea(LCD)

3. POWERbutton

4. HOLDbutton

5. MODEbutton

6. Batterycompartmentonrearofinstrument

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Display

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TEMP Temperature

AIRTAirTemperature

RHRelativeHumidity

HIHeatIndex

DPDewPointtemperature

WBWetBulbtemperature

WB/HIWetBulbGlobetemperature

MAXMaximumreadingmemory

MINMinimumreadingmemory

AVGAveragereadingmemory

HOLDDataHold(freezesdisplay)

BATLowBatterysymbol

%PercentunitsforRHreadings

oDegreessymbolfortemperatureunits

EUsedtodisplaytemperatureunitsCorF

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3RH25‐EU‐ENv1.05/13

Operation

Keypad

POWER:SwitchthemeterONorOFF;alsousedtoentertheMAX/MIN/AVGmemorymode.

HOLD:PresstoenterDataHold(readingfreezesondisplay).PressagaintoexitDataHold.

MODE:Presstostepthroughthemeasurementmodes:TEMP(Temperature),RH(Relative

Humidity),HI(HeatIndex),DP(DewPoint),(WB(WetBulb),andHI/WB(WetBulbGlobe).

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Poweringthemeter

PressPOWERtoswitchmeterON.Themetershowsalldisplayiconsmomentarilyasitswitches

ONandthentheTEMPiconandthetemperaturereadingwilldisplay.Themeterwillalsoemita

chirpsoundasitswitchesON.

ToswitchthemeterOFF,pressandholdthePOWERbuttonforatleast2seconds.

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MAX/MIN/AVGMemory

WiththemeterpoweredON,pressPOWERbuttonmomentarily.TheMAXiconwillappearand

themeterwilldisplayonlythehighestreading.

PressPOWERagain;theMINiconwillappearandthemeterwillonlydisplaythelowestreading.

PressPOWERagain;theAVGiconwillappearandmeterwillonlydisplaytheaveragereading.

PressPOWERagaintoexit(theMAX/MIN/AVGiconswillswitchOFF).

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DataHold

WiththemeterpoweredON,presstheHOLDbuttonmomentarily.TheHOLDiconwillappear

andthecurrentreadingwillfreezeonthedisplay.PressHOLDagaintoexit(theHOLDiconwill

switchOFF).

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AutomaticPowerOFF(Sleep)Mode

ThemeterswitchesOFFautomaticallyafter15minutesofinactivity.Todefeatthisfeature

temporarily:WiththemeterswitchedOFF,presstheHOLDandPOWERbuttonssimultaneously

untilthemeterdisplaysthescreenshownbelow.Now,theusermustswitchthemeterOFF

manuallybypressingandholdingthePOWERbuttonforatleast2seconds.Notethatthenext

timethemeter’spoweriscycled,theAutoPowerOFFutilitywillagainbeactive.

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4RH25‐EU‐ENv1.05/13

SelectingoC/oFunitsofmeasure

WiththemeterOFF,pressandholdthePOWERandMODEbuttonssimultaneouslyuntiltheunit

ofmeasureappearsonthelowerrightcorneroftheLCD.UsetheMODEbuttontoselectthe

desiredunitofmeasure(oCoroF).PressPOWERtwicetosteppastthealarmsettingsuntilthe

normalmeasurementmodeisdisplayed.

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HighAlarmforHeatIndexandWetBulbGlobetemperature

1. WiththemeterOFF,pressandholdthePOWERandMODEbuttonssimultaneouslyuntilthe

temperatureunit‘C’or‘F’appearsonthelowerrightcorneroftheLCD(ifdesired,usethe

MODEbuttontoselectthedesiredunitofmeasure).

2. PressthePOWERbuttontosteptotheHeatIndex(HI)AlarmON/OFFdisplay.

3. UsetheMODEbuttontoselectON(A‐on)orOFF(A‐oF);seedisplayexamplesbelow:

4. PressPOWERtosteptotheHeatIndextemperatureAlarmlimitvalue.Seeexamplebelow:

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5. PresstheMODEbuttonmomentarilytochangethevalueinsmallsteps.Pressandholdthe

MODEbuttontoscrollquickly.

6. WhenthedesiredHeatTemperaturealarmlimitisdisplayed,pressthePOWERbuttonto

continuetotheWetBulbGlobetemperatureAlarmprogrammingscreens.

7. Repeatsteps3‐6toprogramtheWetBulbGlobetemperatureON/OFFandAlarmlimits.

UsethePOWERbuttonwhendonetostepbacktothenormaloperatingmode.

8. Thedefaultsettingsare27.8oC(82.0oF)forHeatIndextemperaturealarmlimitsand28.0oC

(82.4oF)forWetBulbGlobetemperaturealarmlimits

9. Wheneitheralarmlimitisexceeded,themetercontinuouslybeeps.Todeterminewhich

alarmissounding,checktheHI(HeatIndex)andWB/HI(WetBulbGlobe)temperature

displaystoseewhichunitofmeasureisblinking,thatwillindicatethetrippedalarm.

10. TosilenceanalarmtheusermusteitherswitchthealarmOFForchangeitsalarmlimitvalue.

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ErrorMessageDisplays

E‐2:HumiditySensorfailure.Replaceunit.

E‐3:TemperatureSensorfailure.Replaceunit.

E‐4:Temperatureover‐range;E‐5:Temperatureunder‐range

E‐6:Hardwarefailure.Replaceunit

5RH25‐EU‐ENv1.05/13

Appendices

AppendixA–HeatIndexbasedonTemperature(oF)vs.RelativeHumidity(%)

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Note:ItalicvaluesareHeatIndexbasedontheTemperature(leftcolumn)andRelativeHumidity(toprow).

oF90%80%70%60%50%40%

80oF858482818079

85oF1019692908684

90oF121113105999490

95oF13312211310598

100oF142129118109

105oF148133121

110oF135

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AppendixB–HeatIndexbasedonTemperature(oF)vs.DewPoint(DP)

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Note:ItalicvaluesareHeatIndexbasedontheTemperature(leftcolumn)andDewPoint(toprow).

oF55DP60DP65DP70DP75DP80DP85DP

80oF556065838487

85oF808081899399107

90oF848695100107117

95oF91101106114125

100oF113121131

105oF127138

110oF134145

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AppendixC–HeatIndexandHealthEffects

HeatIndexof80to90oF:Fatiguepossiblewithprolongedexposureandphysicalactivity

HeatIndexof90to105oF:Sunstroke,heatcramps,andheatexhaustionpossible

HeatIndexof105to130oF:Sunstroke,heatcramps,heatexhaustionlikely;heatstrokepossible

HeatIndexof130oForgreater:Heatstrokehighlylikelywithcontinuedexposure

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TheHeatIndexisdeterminedusingthedrybulbtemperatureandtherelativehumidity.Itis

basedonchartsavailablethroughtheU.S.NationalWeatherService.TheHeatIndexrepresents

howanaveragepersonfeelsrelativetoclimateconditions.Foragiventemperature,thehigher

thehumidity,thehighertheheatindexwillbe.

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6RH25‐EU‐ENv1.05/13

BatteryReplacement

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Whenthelowbatteryicon(BAT)appearsontheLCD,theCR‐2032lithiumbuttonbatterymust

bereplaced.Thebatterycompartmentislocatedontherearofthemeter.

1. Useacointoturnthebatterycompartmentcovercounter‐clockwisetoopen.

2. Notetheposition,orientation,andpolarityoftheexistingbatteryinstallation.

3. ReplacetheCR‐2032Lithiumbatteryfollowingthesameposition,orientation,and

polarity.

4. Replacethebatterycompartmentcoverandsecureitusingacointoturnitclockwise

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.

OtherBatterySafetyReminders

oNeverdisposeofbatteriesinafire.Batteriesmayexplodeorleak.

oNevermixbatterytypes.Alwaysinstallnewbatteriesofthesametype.

Specifications

Display  Multi‐functionLCD

Measurementranges

AirTemperature‐20to50oC(‐4to122oF)

HeatIndex  ‐46to205oC(‐50.8to401oF)

DewPoint ‐78to50oC(‐108.4to122oF)

WetBulb ‐20to50oC(‐4to122oF)

WetBulbGlobe‐25to54.5oC(‐13to130oF)

RelativeHumidity0to99.9%RH

Resolution 0.1oC/oF/%RH

Accuracy

Temperature ±0.6oC(1oF)

RelativeHumidity±3%RH@25oCfrom10to90%RHotherwise±5%RH

Powersupply 1xCR2032LithiumBattery

Dimensions 140x35x18mm(5.5x1.4x0.7")

Weight  50g(1.8oz.)

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

www.extech.com

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Extech Instruments

Extech Instruments HD450-NIST Bedienungsanleitung

Extech Instruments

Extech Instruments 461880 Bedienungsanleitung

Extech Instruments

Extech Instruments AN250W Bedienungsanleitung

Extech Instruments

Extech Instruments HD750 Bedienungsanleitung

Extech Instruments

Extech Instruments 480846 Bedienungsanleitung

Extech Instruments

Extech Instruments AN310-NIST Bedienungsanleitung

Extech Instruments

Extech Instruments Oyster Series Bedienungsanleitung

Extech Instruments

Extech Instruments RH520 Bedienungsanleitung

Extech Instruments

Extech Instruments 380560 Bedienungsanleitung

Extech Instruments

Extech Instruments 407735 Bedienungsanleitung

Extech Instruments

Extech Instruments MA120 Bedienungsanleitung

Extech Instruments

Extech Instruments EX845 Bedienungsanleitung

Extech Instruments

Extech Instruments RH401 Bedienungsanleitung

Extech Instruments

Extech Instruments UM200 Bedienungsanleitung

Extech Instruments

Extech Instruments 480826 Bedienungsanleitung

Extech Instruments

Extech Instruments EX810 Bedienungsanleitung

Extech Instruments

Extech Instruments SP505 Bedienungsanleitung

Extech Instruments

Extech Instruments MO55 Bedienungsanleitung

Extech Instruments

Extech Instruments 407445 Bedienungsanleitung

Extech Instruments

Extech Instruments AN400 Bedienungsanleitung

Extech Instruments

Extech Instruments LT40 Bedienungsanleitung

Extech Instruments

Extech Instruments MO500 Bedienungsanleitung

Beliebte Messgerät Handbücher anderer Marken

Suaoki

Suaoki D40 Bedienungsanleitung

Elster

Elster BK-G1.6 Bedienungsanleitung

Endress+Hauser

Endress+Hauser Deltabar FMD71 Handbuch

Duratool

Duratool D03128 Bedienungsanleitung

Vega

Vega VEGAPULS 65 Bedienungsanleitung

Tonghui

Tonghui TH2618B Bedienungsanleitung

Tenmars

Tenmars TM-801 Bedienungsanleitung

MSR

MSR 145 Bedienungsanleitung

TPS

TPS WP-82 Bedienungsanleitung

ELMETRON

ELMETRON CP-511 Bedienungsanleitung

PCB Piezotronics

PCB Piezotronics 003C30 Bedienungsanleitung

Tenma

Tenma 72-10465 Bedienungsanleitung

Endress+Hauser

Endress+Hauser Proline Promag 50 Technische Daten

Siemens

Siemens SITRANS F Coriolis FCT030 Stücklistenhandbuch

KLINGER

KLINGER CMF V Series Bedienungsanleitung

EXFO

EXFO FTB-2 Bedienungs- und Wartungshandbuch

Keysight

Keysight M8290A Bedienungsanleitung

ADTEK

ADTEK MW-5 Bedienungsanleitung