REED 8778 Manual de usuario

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Model 8778

Heat Stress

Meter

Instruction

Manual

Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

1.888.610.7664info@REED-Direct.com REED-Direct.com

reedinstruments

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

Table of Contents

Features......................................................................................... 3

Specications.............................................................................3-4

Instrument Description .................................................................. 4

Operating Instructions................................................................5-9

Select display mode.................................................................... 5

IN/OUT switch ............................................................................ 5

Select Unit .................................................................................. 5

Alarm Setting .............................................................................. 6

Auto Power Off (Sleep Function) ................................................. 6

Calibration ...............................................................................7-8

Troubleshooting .......................................................................8-9

RS232 Interface .......................................................................... 9

Battery Replacement..................................................................... 9

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

Features

• WetBulbGlobeTemperature(WBGT)considerstheeffectsoftempera-

ture,humidityanddirectorradiantsunlight

• HeatStressIndexmeasureshowhotitfeelswhenhumidityiscombined

withtemperature,airmovementandradiantheat

• BlackGlobeTemperature(TG)monitorstheeffectsofdirectsolarradia-

tiononanexposedsurface

• In/OutfunctiondisplaystheWBGTvaluewithorwithoutdirectsun

exposure

• Viewindividualtemperaturesorindicesineither°For°C

• UseradjustableWBGTthresholdwithaudiblealarmifthresholdis

exceeded

• Autopoweroffwithoverride

• Built-inRS232andUSBinterface

• Tripodmountdesignforlong-termmonitoring

Specifications

AirTemp.Range: 0.0to50.0°C(32to122°F)

Accuracy: ±0.6°C(±1.1°F)

BlackGlobeTemp.Range:

 0.0to80.0°C(32to176°F)

Accuracy: ±1°C:15to40°C,±1.5°C:restofrangeforindoor;

 ±1.5°C:15to40°C,±2°C:restofrangeforoutdoor

WBGTTemp.Range: 0.0to50.0°C(32to122°F)

Resolution: 0.1°C(0.1°F)

HumidityRange: 0to100%RH

Accuracy: ±3%RH:10to90%RH,±5%RH:restofrange

Resolution: 0.1%RH

OperatingConditions: 0to50°C,0-95%RH

StorageConditions: -20to65°C,0-95%RH continued ...

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

PowerSupply: 2xAAAbatteries(included)

PowerConsumption: 1000hours(Alkaline),250hours(Generalpurpose)

Dimensions: 10x1.9x1.1”(254x49x30mm)

BlackBallDimensions:2.95x2.95”(75x75mm)

OptionalAccessories: Tripod(ModelBS-6)

 33%HumidityCalibrationStandard(ModelHR33)

 75%HumidityCalibrationStandard(ModelHR75)

 USBCable&Software(ModelVZUSBAZM)

Instrument Description

LCD Display

WBGT WetBulbGlobeTemperature

TG BlackGlobeTemperature

TA AirTemperature

% RelativeHumidity

C/F Celsius/Fahrenheit

IN Indoor(noSun)

OUT Outdoor(fullSun)

 Lowbatteryindicator

DP/RES1888 Unusediconsinthesemodels

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

Operating Instructions

Pressthe buttontoturnthemeterONorOFF.

AllindicatorsontheLCDscreenwillashwhenyoupoweron.

Slidedownthesensor-protectingsheathbeforetakingameasurement.

Select display mode

ThemetermeasuresTA(AirTemp),TG(GlobeTemp),RH(Relative

Humidity),andcalculatesWBGT.Pressthe buttontoselectthemea-

suringmode.AniconwillappearonthetopoftheLCDscreentoindicate

thecurrentoperationmode(seeFig.A).

IN/OUT switch

TomeasureWBGTwithorwithoutdirectSunexposure,holddownthe

formorethan1secondtoswitch.EitherINorOUTwillthenbedisplayed

ontheLCDscreenindicatingweathertheunitissetforIndoor(noSun)or

Outdoor(fullSun)measuring.

Select Unit

Pressthe and buttonssimultaneouslyinmeasuringmodetoselect

°Cor°F.

Fig. A

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

Alarm Setting

Thismeterfeaturesanaudiblealarmtogivewarningforpossibleheat

stressintheenvironment.WhenWBGTvaluereachesthealarmthreshold,

thevaluestartstoblinkandthereisacontinuousbeep.Thealarmstops

whenthemeasuredvaluefallsbelowthethresholdorthemeteristurned

off.Thealarmthresholdisadjustablefordifferentapplications.Whenthe

meterisOFF,holddownthe buttonfor2secondstoturnonthemeter

andenterthealarmsetting.Thecurrentsettingwillbedisplayedwitha

blinkingdigit.Pressthe buttontoincrementthevalueandthe but-

tonfor2secondstoreturntomeasuringmode.Thesettingrangeis20.0

–37.2°C(68-99.0°F).OUTwilldisplayontheLCDscreenifthesettingis

outofrange(seeFig.B).

Auto Power Off (Sleep Function)

ThemeterwillautomaticallypoweritselfOFFafter20minutesofinactivity.

Tooverridethisfunction,whenthemeterisoff,holddownthe and

buttonsfor2seconds.When“n”appearsintheLCDscreen,themeter

isnowinNon-Sleepmode.Whenthemeteristurnedoff,thedefaultwill

revertbacktothedefault(seeFig.C)

Fig. B

Fig. C

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

Calibration

Thismetercanbecalibratedonthehumiditybyenduserswiththe

optional33%and75%saltsolution.Themambientconditionisrecom-

mendedtobeat23+/-2°Candastablehumidity.Userscanterminatethe

calibrationatanytimebypressingthe button.

33% Calibration

Besurethemeteristurnedoff.Unscrewtheblackglobewiththesensor

sheath(seeFig.1).

Plugthesensorprobeintotheoptional33%HumidityCalibration

Standard(ModelHR33)(seeFig.2).Holddownthe , andthe

buttonsfor2secondsuntilblinking“3X.X%”appearsontheLCDscreen.

Themeterisnowcalibratingandwillnishinapproximately60minutes.

Whenthevaluestopsblinking,themeterisdonecalibrating.

75% Calibration

Afterthe33%calibration,plugthesensorprobeintotheoptional75%

HumidityCalibrationStandard(ModelHR75)(seeFig.2).Pressthe

buttontobeginthecalibration,andablinking“7X.X%”willappearonthe

LCDscreen.Themeterisnowcalibratingandwillnishinapproximately

60minutes.Whenthevaluestopsblinking,themeterisdonecalibrating

andwillreturntomeasuringmode.

Fig. 1

Fig. 2

continued ...

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

Reassembly

Reassembletheglobewithcautionbyttingthepin(seeFig.3)intothe

connection(seeFig.4).Ithelpstopositionbytargetingthescrewholeson

thesheathandthemeter(seeFig.5).Incorrectinstallationmaydamage

thesensor.

Note:TheRHvaluedifferencebetweenthemeterdisplayandcalibration

standardshouldbewithin+/-0.3%otherwisethecalibrationhasfailed.

Troubleshooting

Power on but no display

Checkthatthebatteriesareinproperlyandinthecorrectpolarity.Take

thebatteriesoutforoneminute,reinstallandretry.

Calibration failure

Checkthebatteryvoltageorreplacethemwithnewbatteries.Check

weatherthesenoriswellpluggedintothesaltbottleandnoaircomesin.

Checkambientcondition.

Fig. 3

Fig. 4

Fig. 5

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reedinstruments

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

Error message on the display

E2: Thevalueisunderrange/Impropersensorinstallation

E3: Thevalueisoverrange

E4: Thevalueisinerrorbecauseoftheoriginaldata/

Improper sensor installation

E11: RHcalibratorerror,dothecalibrationagain

E32/E33:Circuiterror,contactREEDInstrumentsforrepair

or replacement

RS232 Interface

ThismetercandoPClinkforon-linelogginganddataanalysisviaRS232

interfaceandsoftware.Theprotocolisasfollows:

A. 9600bps,8databids,noparity.

B. Format(TransmittingASCIIcodeeverysecondwhilemeterison

 Wxxx.xC(F):Txxx.xC(F):Txxx.xC(F):Hxx.x%LRCCRLF

Note:the1stvalueisWBGT,the2ndTA,the3rdTG,andthe4thisRH

Battery Replacement

The symbolwillappearonthebottomleftoftheLCDscreenwhenthe

batterypowerislow.Ifthebatteriesarenotreplacedtheaccuracyofthe

readingwillbeaffected.

1. Openthebatterycoveratthebackofthemeterandremovethe

batteries.

2. Insert2newAAAbatteriesandmakesurethebatteriesareinthe

correct polarity.

3. Reinstallthecover.

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reedinstruments

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Pantone 534 Blue

Pantone 123 Yellow

Pantone 485 Red

Pantone 123 Yellow

Pantone 534 Blue

Black Rich Black -

20/20/20/100

Blue - 100/80/30/5

Yellow - 0/27/100/0

Red - 10/100/100/5

Yellow - 0/27/100/0

Blue - 100/80/30/5

Only if you REALLY need them:

Pantone 534 Blue - 100/80/30/5

Pantone 485 Red - 10/100/100/5

Pantone 123 Yellow - 0/27/100/

INSTRUMENTS

Notes _________________________________________

________________________________________________

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