Extech Instruments MO55 Manual de usuario
USERMANUAL
DualMoistureMeter
PinandPinlessMoistureMeasurements
ModelMO55
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Introduction
ThankyouforselectingtheExtechMO55PinandPinlessDualMoistureMeter.Thecompact
MO55takesquickMoisturelevelreferencemeasurements(inpercent%)onwoodandbuilding
materials.TheMO55canbeusedinpinlessmode(rearsensor)orinpinmode.TheMO55is
simpletooperateandoffersmeasurementdigits,audibletonesand‘moisturedrop’iconsto
indicatemoisturelevelcontent.
TheMO55isidealforbuildingrestorationprojectsandapplicationswheremoisturedetectionon
floorsandundercarpetsiscritical.TheMO55isagreattoolforanalyzingtheafter‐effectsof
waterleakagebehindwallsandinceilings.
Thismeterisshippedfullytestedandcalibratedand,withproperuse,willprovideyearsof
reliableservice.Pleasevisitourwebsite(www.extech.com)tocheckforthelatestversionofthis
UserGuide,ProductUpdates,ProductRegistration,andCustomerSupport.
Features
Displaysthemoisturelevelinwoodandbuildingmaterials(wallboard,sheetrock,cardboard,
plaster,concrete,andmortar)
Pinless(non‐invasive)orPinmodesofoperation
AutozerocalibrationforPinlessmode
Audibletoneratebeepsfasterasthemoisturelevelincreases(8tonevariations)
‘Moisturedrop’Iconsdisplaylow,mediumandhighlevelsofmoisturecontent
Easy‐to‐use,compactdesign
DisplayLockfreezesreadingondisplay
AutoPowerOffafter2minutesconservesbatterypower
Completewithextrapins(4),protectivecap,and9Vbattery
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Description
MeterDescription
1. Protectivecoverandpin‐modeself‐testcircuit
2. Measurementpins
3. LCDDisplay
4. Powerbutton
5. Mode(M)Pin/PinlessandMaterialselection
6. DisplayLock/Beeperbutton
7. Internalsensor(rear)
8. Batterycompartment(rear)
DisplayDescription
1. MoistureDropicons(1dropletforlowmoisturecontent,2formedium,and3forhigh)
2. Woodmode
3. BuildingMaterialmode
4. Beeperactiveicon
5. Moisturereadingdigits
6. Percentmoistureunit(relative)
7. DisplayLockmode
8. Batterystatusicon
ButtonDescription
ButtonButtonnameDescription
PowerON‐OFFPressandholdtoswitchthemeterONorOFF
MMode(MaterialSelect)SelectMaterial(Wood,BuildingMaterials)for
PinorPinlessmode
/DisplayLock/BeepercontrolShortpresslocksreadingonthedisplay
LongpresstogglestheBeeperON/OFF
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Operation
OperatingSteps
1. Forpinmode,carefullyremovetheprotective/testcaptoexposetheelectrodepins.
2. SwitchthemeterONbylongpressofthebutton.Themeteremitsaudibletonesandthe
displayswitchesonwhenthemeterpowersup.Ifthemeterdoesnotswitchonpleasecheck
thebatteryintherearcompartment.
3. MomentarypressesoftheMode(M)buttonstepthroughthefollowingfourmaterialmodes:
Wood‐Pinmode,BuildingMaterial‐Pinmode,Wood‐Pinlessmode(iconblinking)
,andBuildingMaterial‐Pinlessmode(iconblinking).
4. Forpinmode,pushtheelectrodepinsintothematerialundertest.
5. Forpinlessmode,withpoweron,holdthemeterinopenair
(rearsensorshouldbeclearofhandsandanyobjects)andthen
selectmaterial(step3);themeterisnowzero‐calibrated.Press
thesensorfirmlyagainstthesurfaceundertesttotakea
reading.
6. Observethedisplayedreadinginpercent(%),viewthedisplayedmoisturedropleticon
andlistenfortheaudibletones.
1moisturedropletforlowreadings;2formediumreadings;3forhighreadings;refertothe
chartonthebackofthemeter.Listenfortheaudibletone(fastbeepingforhigherreadings
andslowbeepingforlowerreadings).Thereareeight(8)tonevariations.
7. Longpressofthepowerbuttonswitchesthemeteroff.
MeasurementInterpretationTable
PINMODEPINLESSMODE
WOOD(%)BUILDING
MATERIAL(%)
WOOD(%)BUILDING
MATERIAL(%)
TOTALRANGE>5.0~50.01.5~33.00.0~99.90.0~99.9
LOW5.0~11.91.5~16.90.0~16.90.0~16.9
MEDIUM12.0~15.917.0~17.917.0~29.917.0~29.9
HIGH16.0~50.020.0~33.030.0~99.930.0~99.9
AutoPowerOFF(APO)
Toconservebatteryenergythemeterautomaticallyswitchesoffafteratwo‐minuteperiodof
inactivity.
CAUTION:Theelectrodemeasurementpinsareextremelysharp.Usecarewhen
handlingthisinstrument.Coverthepinswiththeprotectivecapwhennotinuse.
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DisplayLock
PresstheDisplayLockbutton tofreezethedisplayedreading.The iconisvisibleonthe
displaywhenDisplayLockisactive.Pressagaintoreturntothenormaloperatingmode.
BeeperON/OFF
ThebeeperdefaultstoON.ToswitchthebeeperOFF,pressandholdtheDisplayLock/Audible
Beeperbutton untiltheicondisappears.Whenthebeeperisactivetheaudiodisplayicon
willbevisible.
Pin‐ModeSelf‐Test
TurnonthemeterandsetthemetertoPinmodeWoodorBuildingmaterialsandthentouch
theelectrodepinstothecontactsthroughtheholesatthetopoftheProtective/Testcap.
Expectedresult:Wood17.0to19.0%;Building15.5to17.5%
Whenthemeterreadsoutsideoftheserangespleasereplacethebatteryandretry.Ifthemeter
continuestoreadoutsideoftheseranges,themetershouldbereturnedforservice.
PinlessModeComparisonMeasurements
Whileholdingthemeteragainstaknowndrysurface,turnonthemeter.PresstheMode(M)
buttontosteptothepreferredsetting,blinkingwoodorblinkingbuildingmaterialicon.The
meterwillnowread0%(relative/offsetreading).Nowmovethemetertootherareastotestto
findhigherlevelsofmoisture.
Maintenance
BatteryReplacement
Whenthebatterystatusiconappearsemptyorflashing,replacethebattery.
1. Removetherearbatterycompartmentcoverbypushingthecompartmentlatch.
2. Replacethe9Vbatteryobservingcorrectpolarity.
3. Replacethecompartmentdoorsecurely.
4. Disposeofbatteryresponsiblyandwithinapplicablelegalregulations.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriatecollectionsites,the
retailstorewherethebatterieswerepurchased,orwhereverbatteriesaresold.
Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotakeend‐of‐
lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronicequipment.
CareandCleaning
Whentheinstrumentisnotinusepleasekeeptheprotectivecapinplace.
Storethemeterinastable,dust‐freeenvironment;outofdirectsunlight.
Removethebatteryfromtheinstrumentifthemeteristobestoredforlongperiodsorif
thebatterypowersymbolappearsempty(orflashing)onthedisplay.
Tocleanthemetercase,wipewithadampclothdonotusesolventsorabrasives.
Tocleanthepins,wipecarefullywithadampclothtoremoveresidue;allowtodrywell.
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Specifications
DisplayLCDwithmulti‐functionindicators
MeasurementtypeRelativeMoistureContent(%)
MeasurementprincipleElectricalresistance(pins)
Electricalcapacitanceinternalsensor(pinless)
MeasurementdepthPinlessmode:<25mm(1in.)
AutoCalibration Pinlessmodeinopenair
MeasurementindicationDigital,MoistureDropleticons(1,2,or3droplets)andaudibletone
with8levelsofintensityindicatinglowtohighmoisturereadings
Measurementranges PINMODE:5.0~50.0%(wood),1.4~33.0%(buildingmaterials);
PINLESSMODE:0.0~99.9%(forwoodandbuildingmaterials)
Resolution 0.1%
Accuracy(Pinmode) ±(3%+5digits)forambientconditions22oCto25oC(72oFto77oF)
Electrodepinlength0.3”(8mm)
ElectrodepintypeStainlesssteel.Integrated,replaceable
AutoPowerOFF Afterapprox.two(2)minutes
PowersupplyOne(1)9VBattery(rearcompartment)
Consumption<40mA
LowBatteryindicationBatterystatusiconappearsemptyorflashing
Operatingconditions5~45oC(41~113oF);80%RHmax.
Storageconditions0~50oC(32~122oF);85%RHmax.
Dimensions 170x65x30mm(6.7x2.6x1.2")
Weight120g(4.2oz.)withoutbattery
Copyright©2016FLIRSystems,Inc.
Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform
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