Extech Instruments MO300 User manual

USERGUIDE


PinlessMoisture/HumidityMeter
withIRThermometer

BluetoothandAndroidTMready

ModelMO300












 

EXTECHINSTRUMENTS
MO300-EN v1.3 5/14
2
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.


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.

12 3
4
5
6
7
8
9
10
11
12
13
14
15

EXTECHINSTRUMENTS
MO300-EN v1.3 5/14
3
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
4
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

BatteryReplacement

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.


EXTECHINSTRUMENTS
MO300-EN v1.3 5/14
5
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.

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
6
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
7
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.









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.






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
8
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
9
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
10
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.