Extech Instruments MO50 Manuel utilisateur
USERGUIDE
CompactMoistureMeter
ModelMO50
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Introduction
ThankyouforselectingtheExtechMO50MoistureMeter.ThecompactMO50takesquick
Moisturelevelreferencemeasurements(inpercent%)onwoodandbuildingmaterials.The
MO50issimpletooperateandoffersmeasurementdigits,audibletonesand‘moisturedrop’
iconstoindicatemoisturelevelcontent.
TheMO50isidealforbuildingrestorationprojectsandapplicationswheremoisturedetectionon
floorsandundercarpetsiscritical.TheMO50isagreattoolforanalyzingtheafter‐effectsof
waterleakagebehindwallsandinceilings.
Thismeterisshippedfullytestedandcalibratedand,withproperuse,willprovideyearsof
reliableservice.Pleasevisitourwebsite(www.extech.com)tocheckforthelatestversionofthis
UserGuide,ProductUpdates,ProductRegistration,andCustomerSupport.
Features
Displaysthemoisturelevelinwood
Displaysthemoisturelevelinbuildingmaterials(wallboard,sheetrock,cardboard,plaster,
concrete,andmortar)
Audibletoneratebeepsfasterasthemoisturelevelincreases(8tonevariations)
‘Moisturedrop’Iconsdisplaylow,mediumandhighlevelsofmoisturecontent
Easy‐to‐use,compactdesign
DisplayLockfreezesreadingondisplay
AutoPowerOffconservesbatterypower
Completewithpins(4),protectivecap,and9Vbattery
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Description
MeterDescription
1. Measurementpins
2. LCDDisplay
3. Powerbutton
4. MaterialSelectbutton
5. DisplayLock/Beeperbutton
Notes:
Batterycompartmentonrearofmeter
Protectivepincovernotshown
DisplayDescription
1. MoistureDropicons(1dropletforlowmoisturecontent,2formedium,and3forhigh)
2. Woodmode
3. BuildingMaterialmode
4. Beeperactiveicon
5. Moisturereadingdigits
6. Percentmoistureunit(relative)
7. DisplayLockmode
8. Batterystatusicon
Fig.1MeterDescription
Fig.2DisplayDescription
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ButtonDescription
ButtonButtonnameDescription
PowerON‐OFFPressandholdtoswitchthemeterONorOFF
/MaterialSelectSelectMaterialGroup(Wood,Building
Materials)
/DisplayLock/Beepercontrol
Shortpresslocksreadingonthedisplay
LongpresstogglestheBeeperON/OFF
Operation
OperatingSteps
1. Carefullyremovetheprotective/testcaptoexposetheelectrodepins.
2. SwitchthemeterONbypressingandholdingthe button.Themeteremitsaudibletones
andthedisplayswitchesonwhenthemeterpowersup.Ifthemeterdoesnotswitchon
pleasecheckthebatteryintherearcompartment.
3. MomentarypressesoftheMaterialSelectbutton togglestheWood andBuilding
Materialmodesofoperation.Thedisplayediconsindicatetheselectedmode.
4. Pushtheelectrodepinsintothematerialundertest.
5. Observethedisplayedreadinginpercent(%),viewthedisplayedmoisturedropleticon
andlistenfortheaudibletones.
1moisturedropletforlowreadings;2formediumreadings;3forhighreadings;refertothe
chartonthebackofthemeterandthereproductionintheAppendixlaterinthisguide.
Listen,also,totheaudiblemeasurementtone(fastbeepingforhigherreadingsandslow
beepingforlowerreadings).Thereareeight(8)tonevariations.
6. Pressandholdthepowerbuttontoswitchthemeteroff.
AutoPowerOFF(APO)
Toconservebatteryenergythemeterautomaticallyswitchesoffafterathree(3)minuteperiod
ofinactivity.
DisplayLock
PresstheDisplayLockbutton tofreezethedisplayedreading.The iconisvisibleonthe
displaywhenDisplayLockisactive.Press againtoreturntothenormaloperatingmode.
CAUTION:Theelectrodemeasurementpinsareextremelysharp.Usecarewhen
handlingthisinstrument.Coverthepinswiththeprotectivecapwhentheinstrument
isnotinuse.
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BeeperON/OFF
ThebeeperdefaultstoON.ToswitchthebeeperOFF,pressandholdtheDisplayLock/Audible
Beeperbutton.Whenthebeeperisactivetheaudiodisplayiconwillbevisible.
SelfTestcap
TurnontheMO50meterandsetthemetertoWoodorBuildingandpresstheelectrodepinsto
thecontactsonthetopoftheProtective/Testcap.
Expectedresults:
Wood: 17.0to19.0%
Building: 15.5to17.5%
Ifthemeterreadsoutsideofthesemeasurementsreplacethebatteries.Ifitstillreadsoutside
ofthesemeasurements,themeterisdefectiveandyoushouldcontactExtech.
Maintenance
BatteryReplacement
Whenthebatterystatusiconappearsemptyorflashing,replacethebattery.
1. Removetherearbatterycompartmentcoverbypushingthecompartmentlatch.
2. Replacethe9Vbatteryobservingcorrectpolarity.
3. Replacethecompartmentdoorsecurely.
4. Disposeofbatteryresponsiblyandwithinapplicablelegalregulations.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriate
collectionsites,theretailstorewherethebatterieswerepurchased,or
whereverbatteriesaresold.
Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotake
end‐of‐lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronic
equipment.
CareandCleaning
Whentheinstrumentisnotinusepleasekeeptheprotectivecapinplace.Theelectrode
pinsareextremelysharp.
Storethemeterinanenvironmentallystable,dust‐freeenvironment,outofdirect
sunlight.
Removethebatteryfromtheinstrumentifthemeteristobestoredforlongperiodsorif
thebatterypowersymbolappearsempty(orflashing)onthedisplay.
Tocleanthemetercase,wipewithadampclothdonotusesolventsorabrasives.
Tocleanthepins,wipecarefullywithadampclothtoremoveresidue;allowtodrywell
beforeuse.
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Specifications
DisplayLCDwithmulti‐functionindicators
MeasurementtypeRelativeMoistureContent(%)
MeasurementprincipleElectricalresistance
MeasurementindicationDigital,MoistureDropleticons(1,2,or3droplets)andaudibletone
with8levelsofintensityindicatinglowtohighmoisturereadings
MeasurementrangesWood
Low:5%to11.9%;Medium:12%to15.9%;High:16to50%
BuildingMaterials
Low:1.5%to16.9%;Medium:17%to19.9%;High:20to33%
Resolution 0.1%
Accuracy ±3.0%forambientconditions22oCto25oC(72oFto77oF)
Electrodepinlength0.3”(8mm)
ElectrodepintypeStainlesssteel.Integrated,replaceable
AutoPowerOFF Afterapprox.three(3)minutes
PowersupplyOne(1)9VBattery(rearcompartment)
Consumption<15mA
LowBatteryindicationWhenbatteryvoltageis<7.0VDC,approximately
Operatingconditions5~45oC(41~113oF);80%RHmax.
Storageconditions0~50oC(32~122oF);85%RHmax.
Dimensions 170x65x30mm(6.7x2.6x1.2")
Weight120g(4.2oz.)withoutbattery
Appendix
MeasurementInterpretationTable
WOOD(%)BUILDINGMATERIAL(%)
TOTALRANGE>5~501.5~33
LOW
5~9.91.5~9.9
10~11.910~16.9
MEDIUM
12~13.917~17.9
14~15.918~19.9
HIGH
16~19.920~23.9
20~29.924~27.9
30~39.928~29.9
40~5030~33
Copyright©2015FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
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