Extech Instruments HT200 User manual



USERMANUAL



HeatStressWBGTMeter



ModelHT200



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

www. .com information@itm.com1.800.561.8187

EXTECHINSTRUMENTS

2HT200‐en‐GB_V1.411/16

Introduction

ThankyouforselectingtheExtechInstrumentsModelHT200HeatStressWBGTMeter.The

HT200accuratelydeterminestheHeatStressbyfactoringacombinationofparameters:

Humidity,Temperature,andDirectSolarRadiation.Thesefactorsaffecthowhighbody

temperaturesrise,aswellastheabilitytocooldown.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,Product

Registration,andCustomerSupport.

Features

Fastrespondingcapacitancesensor

Accuratemeasurementsfor:Wetbulbglobetemperature(WBGT),Blackglobetemperature

(TG),Humidity(%RH),Airtemperature(TA),Wetbulb(WET),andDewpoint(DEW)

Maximum,minimum,anddataholdRecording

Lowbatteryindication

LCDdisplaywithLEDbacklighting

Manualdatarecording(upto50readingsets)

Viewdatarecords

SelectabletemperatureunitsCorF

Brassblackball50mm(2”)diameter

WBGThighandlowaudibleandvisualalarmfunctions

AutoPowerOFFwithdisablefunction

Safety



WARNING:Avoidelectromagneticinterference(EMI)toavoiderraticmeterreadings.



WARNING:Themeasurementswillbeinaccurateiftheblackballistouchedduringatest.



WARNING:Iftheblackballisdamageordeformedinshape,inaccuratemeasurement

valueswillresult.



CAUTION:Pleaseplacethemeterinawarmtemperatureandlowhumidityenvironment

for24hoursafterthemeterhasbeenusedinanoverlyhumidenvironment.



CAUTION:Pleasehavethemetercalibratedyearlyforthebestresults.



WARNING:Donotstorethisdeviceindirectsunlightorinoverlyhotand/ordampareas.

www. .com information@itm.com1.800.561.8187

EXTECHINSTRUMENTS

3HT200‐en‐GB_V1.411/16

MeterDescription

1. UpArrow/MAX‐MINbutton

2. MODE/SETbutton

3. PowerON‐OFFbutton

4. UNIT/DATAHOLDbutton

5. LCDDisplay

6. Temperature&Humiditysensor

7. BlackGlobesensor

8. Backlight/MEMbutton

9. SEL/Alarmbutton

10. Downarrow/RECbutton

11. ACAdaptorpowerjack

Note:Batterycompartmentonback



www. .com information@itm.com1.800.561.8187

EXTECHINSTRUMENTS

4HT200‐en‐GB_V1.411/16

LCDDisplayDescription



1. Alarmsymbol

2. DATAHOLDsymbol

3. WBGTMode

4. Maxreadingsymbol

5. Airtemperaturemode

6. Blackglobetemperaturemode

7. MIN(minimum)readingsymbol

8. Wetbulbtemperaturemode

9. USBsymbol(unusedinHT200)

10. Dewpointtemperaturemode

11. Primarydisplayarea

12. Temperatureunits

13. Relativehumiditymode

14. Secondarydisplayarea

15. Storedreading‘R’alert&MemoryRecall‘M’icon

16. Timesymbol(unusedinHT200)

17. Datesymbol(unusedinHT200)

18. DataRecordmodesymbol

19. SetModesymbol

20. Indoorsymbol(WBGT)

21. Outdoorsymbol(WBGT)

22. Lowbatterysymbol

23. Autopoweroffsymbol

www. .com information@itm.com1.800.561.8187

EXTECHINSTRUMENTS

5HT200‐en‐GB_V1.411/16

Operation

Poweringthemeter

PressthePower buttontopowerthemeterONorOFF.Toshowallofthedisplaysymbols

atonce:withthemeterOFF,pressandholdthePower button.Thefirmwareversionwill

displayforonesecond(afterthebuttonisreleased).

AutoPowerOff

TheHT200automaticallypowersoffafterapproximately15minutesofinactivity.

Enable‐DisableAutoPowerOff

WithpowerON,pressandholdthePower buttonforatleast2secondstodisableor

enableautopower‐off.Theclock symbolappearsontheLCDscreenwhentheAutoPower

OFFfeatureisenabled.ThesymboldisappearswhentheAutoPowerOFFfeatureisdisabled.

Note:Theautopower‐offwillbedisablediftheSETfunctionorthealarmisenabled.

AlarmON‐OFF

PressandholdtheSEL/Alarm buttonforatleast2secondstoturnthealarmfunctionON

(armed)orOFF(disarmed).WhenarmedtheALARMdisplayiconwillappear.Whendisarmed,

theALARMdisplayicondisappears.

Note:ThealarmfunctionisdisabledwhentheHOLD,SET,orVIEWDATARECORDSDfunctionis

enabled.

DisplayBacklight

PresstheBacklight/Mem buttontoturnontheLCDbacklight.TheLCDbacklightwill

automaticallyturnoffafter15seconds.

SelectingTemperatureC/Funitsofmeasure

PresstheUnit/DH buttontoselectthedesiredtemperatureunitofmeasure.

ModeSelection

PresstheMode/Set buttontochangethemode.TheavailablemodesareWBGT,TA,%RH,

TG,WET,DEW,andbacktoWBGT(seedefinitionsbelow):

oWetbulbglobetemperature(WBGT)

oAirtemperature(TA)

oHumidity(%RH)

oBlackglobetemperature(TG):monitorstheeffectsofdirectsolarradiation

oWetbulbtemperature(WET)

oDewpointtemperature(DEW)

IntheWBGTmode,presstheSel/AlarmbuttontotoggleIN(indoor:withoutdirectsun

exposure)andOUT(outdoor:withdirectsunexposure)modes.

Note:ThemodefunctionisunavailableintheHOLDfunctionandSETfunctionmodes.

www. .com information@itm.com1.800.561.8187

EXTECHINSTRUMENTS

6HT200‐en‐GB_V1.411/16

DataHold

PressandholdtheUnit/DHbuttonfor2secondstoenabletheDataHoldfunction.The

HOLDdisplayiconwillappearthedisplayedreadingwillbefrozenuntilthebuttonispressedand

heldagain.

Note:TheHOLDfunctionisunavailablewhentheSETfunctionisenabled.

ManualDataRecording

PresstheREC buttontomanuallyrecord(store)thecurrentreading.TheRECandRsymbol

willbrieflyappearontheLCDwhilethereadingisstored.

Note:TheRecordReadingfunctionisunavailableintheHOLD,SET,andVIEWDATARECORDS

modes.

ViewDataRecords

PressandholdtheBacklight/Membuttontoturnaccess(orexit)theViewDataRecords

mode.WhentheViewDataRecordsmodeisaccessed,therecordnumberisshownonthe

bottomofthedisplay,theassociatedreadingisshownatthecenterortheLCD,andthe‘M’

memoryand‘REC’iconswillbevisible.

Usethearrowbuttonstoscrollthroughthestoredreadings.

PresstheMode/Setbuttontochangethemeasurementtype(i.e.WBGT,TA,%RH)forthe

currentlyselectedrecord.

PresstheUnit/DH buttontoswitchthetemperatureunit.

PressandholdtheBacklight/Membuttontoexittheviewingdatarecordsmode.



Note:TheViewDataRecordsmodeisunavailablewhentheHOLDorSETfunctionisenabled.

Maximum‐Minimum(MAX‐MIN)ReadingRecording

PressandholdtheMax/Min buttontoentertheMAX‐MINrecordingmode.TheLCDwill

showtheMAXiconalongwiththemaximumtemperaturemeasurement.

UsetheMax/MinbuttontotogglebetweenMaximum(MAX)andMinimum(MIN)

readings.PressandholdtheMax/Minbuttonformorethan2secondstoexitthe

maximum/minimummode.

Note:TheMAX‐MINmodeisunavailablewhentheHOLD,SET,orVIEWDATARECORDSfunction

isenabled.

www. .com information@itm.com1.800.561.8187

EXTECHINSTRUMENTS

7HT200‐en‐GB_V1.411/16

SettingMode

Pressandholdthe buttontoaccesstheSettingmodewhereaseriesofparameterscanbe

customized.Theavailableparametersareexplainedindividuallybelow.Toscrollthroughthe

parametersusethebutton.Pressthe buttontostarteditingaparticularparameteras

explainedbelow.

WBGTHIGHALARMTHRESHOLD(HI)



1. SteptotheWBGTHighAlarmThresholdscreenusingthebutton.

2. AttheHighAlarmThresholdscreen,pressthebuttontobeginediting;thedisplay

willbeginflashing.

3. Pressthe buttontoselectthedesiredtemperatureunits.

4. UsetheupanddownarrowbuttonstosettheWBGTHighAlarmThresholdvalue.

5. Usethebuttontoselectthedigittoedit.

6. Pressthebuttonagaintosavethesetting.

7. ThemeterwillnowaurallyandvisuallyalarmwhentheHighAlarmThresholdhasbeen

exceeded.Toarm/disarmthealarmfunction,refertothe‘ALARMON‐OFF’section.

WBGTLOWALARMTHRESHOLD(LO)



1. SteptotheWBGTLowAlarmThresholdscreenusingthebutton.

2. AttheLowAlarmThresholdscreen,pressthebuttontobeginediting;thedisplay

willbeginflashing.

3. Pressthe buttontoselectthedesiredtemperatureunits.

4. UsetheupanddownarrowbuttonstosettheWBGTLowAlarmThresholdvalue.

5. Usethebuttontoselectthedigittoedit.

6. Pressthebuttonagaintosavethesetting.

ThemeterwillnowaurallyandvisuallyalarmwhentheLowAlarmThresholdisreached.To

arm/disarmthealarmfunction,refertothe‘ALARMON‐OFF’section.

www. .com information@itm.com1.800.561.8187

EXTECHINSTRUMENTS

8HT200‐en‐GB_V1.411/16

CLEARSTOREDREADINGS



1. Steptothe‘ClearStoredReading’screen(exampleshownabove)usingthe button.

Thenumberatthebottomofthedisplayindicatesthenumberofreadingsstored(50

maximum).

2. Pressthe buttonandthedisplaywillbeginflashing.

3. UsetheupordownarrowbuttontoselectYESorNO.SelectYEStoeraseallstored

readings.PressNOtoretainthereadingsinmemory.

4. Pressthebuttontoperformtheselectedaction(YESorNO).



AIRTEMPERATUREOFFSET



1. SteptotheAirTemperatureOffsetscreenusingthebutton(examplescreenshown

above).

2. Pressthebuttontobeginediting;thedisplaywillbeginflashing.

3. Usetheupanddownarrowbuttonstosettheoffsetvalue(from‐9.9to+9.9)

4. Pressthe buttontoselectthedesiredtemperatureunits.

5. Pressthe buttonagaintosavethesetting.



RELATIVEHUMIDITY%OFFSET



1. SteptotheRH%Offsetscreenusingthebutton(examplescreenshownabove).

2. Pressthebuttontobeginediting;thedisplaywillbeginflashing.

3. Usetheupanddownarrowbuttonstosettheoffsetvalue(from‐9.9to+9.9).

4. Pressthebuttonagaintosavethesetting.



www. .com information@itm.com1.800.561.8187

EXTECHINSTRUMENTS

9HT200‐en‐GB_V1.411/16

BLACKGLOBETEMPERATUREOFFSET



1. SteptotheBlackGlobeTemperatureOffsetscreenusingthe  button(example

screenshownabove).

2. Pressthe buttontobeginediting;thedisplaywillbeginflashing.

3. Usetheupanddownarrowbuttonstosettheoffsetvalue(from‐9.9to+9.9).

4. Pressthe buttontoselectthedesiredtemperatureunits.

5. Pressthebuttonagaintosavethesetting.

BatteryReplacement



Whenthebatteryicon() appearsontheLCD,the9Vbatterymustbereplaced.Turnoffthe

powerandunplugallcables.Removethebatteryfromtherearbatterycompartmentand

replaceitwithanew9Vbattery.Pleaseobservecorrectbatterypolarityanddonotswitchthe

unitONuntilthebatterydoorisclosedandsecured.

Whenthemeterisnotinuse,pleaseremovethebattery.

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.

ACAdaptorPower

TheACpoweradaptorjackislocatedonthebottomofthemeter.Seespecificationsbelow:



ExternalACtoDCadapter:Voltage9VDC(8~14VDCMax)/500mW.

Socket:Pinpositive,Groundcasingnegative.

Externaldiameter5.5mminternaldiameter2.1mm



www. .com information@itm.com1.800.561.8187

EXTECHINSTRUMENTS

10HT200‐en‐GB_V1.411/16

Specifications

Wetbulbglobetemperature(WBGT)

UnitRangeResolutionAccuracy(calculated)

@15~40oC

Indoor

&

OutdoorWithout

sunlight

°C0~59.00.1WBGT=

(0.7×WET)+(0.3×TG)

°F32.0~138.00.1WBGT=

(0.7×WET)+(0.3×TG)

Outdoor

Withsunlight

°C0~56.00.1WBGT=(0.7×WET)+

(0.2×TG)+(0.1×TA)

°F32.0~132.00.1WBGT=(0.7×WET)+

(0.2×TG)+(0.1×TA)

AirTemperature(TA)

UnitRangeResolutionAccuracy@15~40oC

°C0~50.00.1±0.8

°F32.0~122.00.1±1.5



Blackglobetemperature(TG)

UnitRangeResolutionAccuracy@15~40oC

°C0~80.00.1±0.6

°F32.0~176.00.1±1.1

RelativeHumidity(%RH)

MeasurementRange1%~99%

Accuracy±3.0%RH(20~80%)

±5.0%RH(<20%or>80%)

Resolution0.1%

www. .com information@itm.com1.800.561.8187

Other manuals for HT200

Table of contents

Other Extech Instruments Measuring Instrument manuals

Extech Instruments

Extech Instruments TM100 User manual

Extech Instruments

Extech Instruments TKG250 User manual

Extech Instruments

Extech Instruments RH350 User manual

Extech Instruments

Extech Instruments AM300 User manual

Extech Instruments

Extech Instruments RPM250W User manual

Extech Instruments

Extech Instruments 407123 User manual

Extech Instruments

Extech Instruments 407445 User manual

Extech Instruments

Extech Instruments LT45 User manual

Extech Instruments

Extech Instruments RPM10 User manual

Extech Instruments

Extech Instruments PH90 User manual

Extech Instruments

Extech Instruments 407119 User manual

Extech Instruments

Extech Instruments MA410T User manual

Extech Instruments

Extech Instruments 380360 User manual

Extech Instruments

Extech Instruments 461895 User manual

Extech Instruments

Extech Instruments SDL700 User manual

Extech Instruments

Extech Instruments 475055 User manual

Extech Instruments

Extech Instruments HD700 User manual

Extech Instruments

Extech Instruments 433201A User manual

Extech Instruments

Extech Instruments MO57 User manual

Extech Instruments

Extech Instruments 250W Series User manual

Extech Instruments

Extech Instruments SDL800-NIST User manual

Extech Instruments

Extech Instruments EasyView EA33 User manual

Extech Instruments

Extech Instruments HD400 User manual

Extech Instruments

Extech Instruments 407735 User manual

Popular Measuring Instrument manuals by other brands

Suaoki

Suaoki D40 user manual

Elster

Elster BK-G1.6 operating instructions

Endress+Hauser

Endress+Hauser Deltabar FMD71 technical information

Duratool

Duratool D03128 manual

Vega

Vega VEGAPULS 65 Quick setup guide

Tonghui

Tonghui TH2618B Operation manual

Tenmars

Tenmars TM-801 user manual

MSR

MSR 145 user manual

TPS

TPS WP-82 manual

ELMETRON

ELMETRON CP-511 user manual

PCB Piezotronics

PCB Piezotronics 003C30 Installation and operating manual

Tenma

Tenma 72-10465 manual

Endress+Hauser

Endress+Hauser Proline Promag 50 Brief operating instructions

Siemens

Siemens SITRANS F Coriolis FCT030 Function manual

KLINGER

KLINGER CMF V Series instruction manual

EXFO

EXFO FTB-2 Notice

Keysight

Keysight M8290A Getting started guide

ADTEK

ADTEK MW-5 operating manual