Extech Instruments MO300 User manual

USERGUIDE

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PinlessMoisture/HumidityMeter

withIRThermometer

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BluetoothandAndroidTMready

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ModelMO300

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 

EXTECHINSTRUMENTS

MO300-EN v1.3 5/14

Introduction

CongratulationsonyourpurchaseoftheExtechMO300withBluetoothcapabilitiesforusewiththe

AndroidApplicationExViewTMMO300.ThisPinlessMoistureMeterincorporatesaPatentedBuilt‐

inIRThermometerand20PointMemory.Monitormoistureinwoodandotherbuildingmaterials

withnosurfacedamagewiththePinlessMoisturesensor(Pin‐typeMoistureProbeincluded).

MeasureHumidityandAirTemperaturewithbuilt‐inprobeplusnon‐contactInfraRedTemperature

withpatentedIRdesign.AdvancedfunctionsprovideGrainsperPound,DewPointandVapor

Pressurecalculations.Thismeterisshippedfullytestedandcalibratedand,withproperuse,will

provideyearsofreliableservice.

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MeterDescription

1. IRtemperaturesensor

2. Laserpointer

3. Humiditysensor

4. Temperaturesensor

5. LCDdisplay

6. RelativeHumiditybutton

7. Mode/ZeroButton

8. IRthermometerbutton

9. Alarmsetbutton

10. Alarmadjustdown/SENDbutton

11. ON/OFFpowerbutton

12. Remotepinprobeinputjack(bottom)

13. Batterycompartment(rear)

14. Alarmadjustup/Bluetoothbutton

15. Moisture/Relativebutton

Note:Protectivesensorcapnotpictured.

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12 3

EXTECHINSTRUMENTS

MO300-EN v1.3 5/14

LCDDisplayIcons

MINMAXREL–Minimum,Maximum,Relativevalues

HIGHLOW–Alarmlimits

INTEXT–Internal/Externalprobe

mBar–Vaporpressure

kPa–Vaporpressure

GPP–GrainsperPound

g/kg–Grainsperkilogram

MOIST–Moisturemode

RH%‐RelativeHumiditymode

COND–Condensationmode

APO–AutopowerOFFfeature

DEW–DewPointtemperature

C/F–Temperatureunits

‐Lowbattery

MEM‐Memorylocationindicator

‐LaserpointerON

‐BluetoothON

Safety

Useextremecautionwhenthelaserpointerbeamison

Donotpointthebeamtowardanyone'seyeorallowthebeam

tostriketheeyefromareflectivesurface

Donotusethelasernearexplosivegasesorinotherpotentially

explosiveareas



EXTECHINSTRUMENTS

MO300-EN v1.3 5/14

Features

QuicklyindicatesthemoisturecontentofmaterialswithPinlesstechnologywithout

damagingthesurface;

OptionalremotePin‐typeprobe(MO290‐P)allowsformoisturereadingsatdifferent

penetrationlevels(3ft/0.9mcablelength);

Easytoread,largedualdisplaywithbacklitfeature;

Simultaneouslydisplays%moistureofwoodormaterialbeingtestedandAirTemperature,

IRTemperature,orHumidity

DesignedwithpatentedIRdesigntomeasurenon‐contactsurfacetemperature;8:1

distancetospotratiowith0.95fixedemissivity

Built‐inHumidity/TemperatureprobemeasuresRelativeHumidity,

AirTemperatureplusGrainsPerPound(GPP)andDewPoint(DP)

AmbientandSurfaceVaporPressure

AutomaticcalculationofdifferentialTemperature(IR‐DP)

Min/MaxandDataHold

20pointinternalmemory

Autopoweroffandlowbatteryindication

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BatteryReplacement

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1. Turnoffthemeter.

2. RemoveonerearPhilipsheadscrewandliftofftherearbatterycover.

3. Replacethe9Vbattery.

4. Securetherearbatterycover.

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EXTECHINSTRUMENTS

MO300-EN v1.3 5/14

Operation

Poweringthemeter

1. RemovetheRHsensorprotectivecapbeforeuse.

2. Pressthepowerbuttontoturnthemeteron.

3. Ifthe symbolappearsorthemeterdoesnotturnon,replacethebattery.

Note:OperationwithBluetoothenabledreducesbatterylifetolessthan8hours.Usingan

externalACadaptorisrecommendedwhenthemeterwillbeusedformonitoringoveralong

periodoftime.

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Humidity(Dewpoint,GPP,g/kg)Measurements

1. Pressthepower buttontoturnthemeteron.

2. PresstheRHbutton

3. RelativeHumiditywillbedisplayedintheprimarydisplayandthetemperaturewillbe

displayedinthesecondarydisplay.

4. Presstheupordownarrowbuttontochangethetemperatureunits.

5. PresstheMODEbuttontodisplaytheDEWpoint.

6. PresstheMODEbuttontodisplayGPP(°F)org/kg(°C).Pressthe▲or▼buttonto

togglebetweenGPPorg/kg.

PinlessMoistureMeasurements

1. Pressthepower buttontoturnthemeteron.

2. PresstheMOISTbuttontoselectMoisturemeasurement.”MOIST”,and“INT”(internal

pinlesssensor)willappearinthedisplay.

3. Holdthemetersothattherearsensorisawayfromanysurfaceoryourhand.Thereading

shouldbenear0.0.Ifnot,pressandholdtheZERObuttonformorethan2secondandthe

ZEROiconappears.

4. Placetherearsensoronthesurfaceofthematerialtobetestedandreadtherelative

moisturecontent.

PinTypeMoistureMeasurements

1. Connecttheexternalpinprobetothejackonthebottomofthemeter.

2. Pressthepowerbuttontoturnthemeteron.

3. PresstheMOISTbuttontwicetoselectMoisturemeasurement.”MOIST”,and“EXT”

(externalpinprobe)willappearinthedisplay.

4. Presstheprobepinsintothematerialandreadthe%moisturecontentinthedisplay.

EXTECHINSTRUMENTS

MO300-EN v1.3 5/14

InfraredTemperatureMeasurements

1. Pressthepower buttontoturnthemeteron.

2. PresstheIRTbuttontoenabletheIRthermometerandthelaserpointer.Thelaserpointer

iconwillflashwhilethemodeisactive.

3. Pressthe▲or▼buttontochangethetemperatureunits

4. Aimthelaserpointeratthesurfacetobemeasuredandreadthesurfacetemperaturein

thesecondarydisplay.

5. ReleasetheIRTbutton.Thelasttemperaturemeasuredandthelasericonwillremainon

thedisplayforapproximately10secondsbeforereturningtoambienttemperature

measurement.

IRTMAXMINdisplay:

Themetercanbesettodisplayonlythemaximumorminimumtemperaturemeasuredduring

anIRscan.

1. WiththemeterintheIRholdmode,presstheMODEbutton.“MIN”willappearinthe

display.

2. PresstheIRTbuttontoenabletheIRthermometer.Themeterwilldisplaytheminimum

temperaturemeasuredandwillupdateonlywhenalowertemperatureismeasured.

3. PresstheMODEbuttontwicetoenabletheMAXmodeandproceedasstatedabovefor

themaximumtemperature.

4. TheMAXorMINtemperatureisnotstoredwhenthefunctionisexited.Theunit

automaticallyexitsMAX/MINmodeafterapproximately10seconds.

EXTECHINSTRUMENTS

MO300-EN v1.3 5/14

IRFieldofView

Ensurethatthedesiredtargetislargerthanthespotsize.Asthedistancefromanobject

increases,thespotsizeoftheareameasuredbythemeterbecomeslarger.Themeter’sfieldof

viewratiois8:1,meaningthatifthemeteris8inches(cm)fromthetarget,thediameter(spot)

oftheobjectundertestmustbeatleast1inch(cm).Referbelowtothefieldofviewdiagram.

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WARNING:Donotdirectlyviewordirectthelaserpointerataneye.Lowpowervisiblelasers

donotnormallypresentahazard,butmaypresentsomepotentialforhazardifvieweddirectly

forextendedperiodsoftime.

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CondensationMode

TheCondensationfeaturealertstheuserwhenthesurfacetemperatureasmeasuredbytheIR

thermometerisclosetoorhasreachedtheDewPointtemperature.

1. Pressthepower buttontoturnthemeteron.

2. SimultaneouslypresstheMOISTandRHbuttons.The“COND”iconwillappear.

3. Pointthemeteratasurface,presstheIRTbuttontomeasurethesurfacetemperature.The

smalldisplaywillindicatetheIRsurfacetemperatureandthelargedisplaywillindicatethe

differencebetweentheIRtemperatureandtheDewPointtemperature.

4. Themeterwillthenreportthepotentialforcondensationonthatsurfaceinthefollowing

manner

IfthetemperatureoftheIRTismorethan14°C(25°F)abovetheDewPoint,the

temperaturedifferenceshallbedisplayed,withnootherwarning.

IfthetemperatureoftheIRTis3‐14°C(5‐25°F)abovetheDewPoint,thetemperature

differenceshallbedisplayed,alongwithastandardCondensationIndicatoricon.The

metershallbeeponcetoconfirmthatthereadingisintheriskarea.

IfthetemperatureoftheIRTislessthan3°C(5°F)abovetheDewPoint,thetemperature

differenceshallbedisplayed,alongwithaflashingCondensationIndicatoricon.The

metershallbeeptwicetoconfirmthatthereadingisinthehigh‐riskarea.

5. PresstheRHbuttontoexitthemode.

1” @ 8”

2” @ 16”

20mm @ 160mm

40mm @ 320mm

EXTECHINSTRUMENTS

MO300-EN v1.3 5/14

VaporPressureMode

AmbientVaporPressure

1. WiththeCondensationmodeactive,presstheMODEbuttontodisplaytheVaporPressure

inmBAR(°F)orkPa(°C).Pressthe▲or▼buttontotogglebetweenmBARandkPa.

2. PresstheMODEbuttontoexittheVaporPressuremode.

SurfaceVaporPressure

1. EntertheVaporPressuremodeasdescribedabove.

2. PresstheIRTbuttonandaimthelaserpointeratthesurfacetobemeasuredtodisplay

theSurfaceVaporPressureinmBAR(°F)orkPa(°C).

AlarmHighandLowLimitSetting

HighandLowalarmpointscanbesetforHumidityandMoisturemeasurements.

HumidityAlarmSetProcedure:

1. WithRH%displayed,simultaneouslypresstheRHandMODEbuttons.

2. The“HIGH”iconwillappearonthedisplay.

3. Pressthe▲or▼buttontosetthehighlimitdesired.

4. PresstheSTORE/ALARMSETbuttontosavethevalueandproceedtotheLOWsetvalue.

5. Withthe“LOW”iconinthedisplay,Pressthe▲or▼buttontosetthelowlimitdesired.

6. PresstheSTORE/ALARMSETbuttontosavethevalueandtoreturntothenormalmode.

7. Ifthehumiditymeasurementislowerthanthelowalarmsettingorhigherthanthehigh

alarmsetting,themeterwillbeeponceeverysecond.



MoistureAlarmSetProcedure:

1. WithMOISTdisplayed,simultaneouslypresstheMOISTandMODEbuttons.

2. The“HIGH”iconwillappearonthedisplay.

3. Pressthe▲or▼buttontosetthehighlimitdesired.

4. PresstheSTORE/ALARMSETbuttontosavethevalueandproceedtotheLOWsetvalue.

5. Withthe“LOW”iconinthedisplay,Pressthe▲or▼buttontosetthelowlimitdesired.

6. PresstheSTORE/ALARMSETbuttontosavethevalueandtoreturntothenormalmode.

7. IfthemoisturemeasurementislowerthantheLOWalarmsetting,themeterwillbeeponce

everysecond

8. IfthemoisturemeasurementishigherthantheHIGHalarmsetting,themeterwillbeep

continuously.

EXTECHINSTRUMENTS

MO300-EN v1.3 5/14

DataMemoryStorage

StoringReadings:

1. Withthedatatobesavedinthedisplay,presstheSTOREbuttonfor2secondsuntiltheunit

beeps.Thedatawillbesavedtothememorylocationindicated.Thenumericdisplayabove

theMEMiconwillthenadvancetothenextlocation.

2. Whenthe20memorylocationsarefull,theunitwilloverwriteoldsavedreadingsstarting

withmemorylocation01.

RecallingStoredReadings:

1. Simultaneouslypressandreleasethe▲and▼buttonstodisplaystoredreadings.The

numericdisplayabovetheMEMiconwillflashandthedatastoredinthatlocationwillbe

displayed.

2. Pressthe▲or▼buttontoscrollthroughthememorylocations.

3. Toreturntonormaloperatingmode,presstheSTOREbutton.

ClearingStoredData:

1. Toclearstoreddata,pressandholdthe▲andSTOREbuttonssimultaneouslyuntilCLR

appearsonthedisplay.

AutoPowerOff

Themeterwillenterasleepmodeafter30minutesofinactivity.Themeterwillemitawarning

beep15secondsbeforeshuttingdown.

TodisabletheAPOfeature,presstheMODEbuttonwhenturningthemeterON.The“APO”icon

willnotappear,indicatingitisdisabled.



BluetoothTMandAndroidTMCommunication

ThismeterincludesaBluetoothmoduledesignedtocommunicatewithanAndroidApplication

ExViewTMMO300.



1. EnabletheMO300Bluetoothbypressingandholdingthe▲buttonfortwoseconds.The

Bluetoothiconwillappearinthedisplay.

2. PairthemetertotheAndroidAppExViewTMMO300.

3. Oncepaired,thedatafromtheMO300willbecontinuouslydisplayedandupdatedonthe

AndroidAppExViewTMMO300.

TypicalMoistureMeasurementandDocumentationProcedures

1. UsetheMoisturemetertomeasurethemoisturelevelsatvarioussuspectlocations.

2. Whenaspotofinterestislocated,storethemoisturereadinginthemoisturemeter’s

memory.

3. Recallthereadingfrommemory.Themoisturemeterwillnowcontinuouslytransmitthis

readingviaBluetooth.

EXTECHINSTRUMENTS

MO300-EN v1.3 5/14

FCCCOMPLIANCE

FCCID:IWK‐MO300

Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo

conditions:

1.Thisdevicemaynotcauseharmfulinterference.

2.Thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycause

undesiredoperation.

ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,

pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotection

againstharmfulinterferenceinaresidentialinstallation.

Thisequipmentgenerates,uses,andcanradiateradiofrequencyenergyharmfulinterferenceto

radiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurina

particularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevision

reception,whichcanbedeterminedbyturningtheequipmentoffandon,theuseris

encouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures:

•Reorientorrelocatethereceivingantenna.

•Increasetheseparationbetweentheequipmentandreceiver.

•Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris

connected.

•Consultthedealeroranexperiencedradio/TVtechnicianforhelp.

FCCRadiationExposureStatement

1. Thistransmittermustnotbeco‐locatedoroperatinginconjunctionwithanyotherantenna

ortransmitter.

2. This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled

environment.

3. To maintain compliance with FCC RF exposure compliance requirements, avoid direct contact

to the transmitting antenna during transmission.

WARNING:Changesormodificationsnotexpresslyapprovedbythepartyresponsiblefor

compliancecouldvoidtheuser'sauthoritytooperatetheequipment.

Table of contents

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