Extech Instruments MO50 User manual

USERGUIDE

CompactMoistureMeter



ModelMO50

www.GlobalTestSupply.com

Find Quality Products Online at: sales@GlobalTestSupply.com

MO50‐en‐GB_V1.209/15

Introduction

ThankyouforselectingtheExtechMO50MoistureMeter.ThecompactMO50takesquick

Moisturelevelreferencemeasurements(inpercent%)onwoodandbuildingmaterials.The

MO50issimpletooperateandoffersmeasurementdigits,audibletonesand‘moisturedrop’

iconstoindicatemoisturelevelcontent.



TheMO50isidealforbuildingrestorationprojectsandapplicationswheremoisturedetectionon

floorsandundercarpetsiscritical.TheMO50isagreattoolforanalyzingtheafter‐effectsof

waterleakagebehindwallsandinceilings.



Thismeterisshippedfullytestedandcalibratedand,withproperuse,willprovideyearsof

reliableservice.Pleasevisitourwebsite(www.extech.com)tocheckforthelatestversionofthis

UserGuide,ProductUpdates,ProductRegistration,andCustomerSupport.

Features

Displaysthemoisturelevelinwood

Displaysthemoisturelevelinbuildingmaterials(wallboard,sheetrock,cardboard,plaster,

concrete,andmortar)

Audibletoneratebeepsfasterasthemoisturelevelincreases(8tonevariations)

‘Moisturedrop’Iconsdisplaylow,mediumandhighlevelsofmoisturecontent

Easy‐to‐use,compactdesign

DisplayLockfreezesreadingondisplay

AutoPowerOffconservesbatterypower

Completewithpins(4),protectivecap,and9Vbattery



www.GlobalTestSupply.com

Find Quality Products Online at: sales@GlobalTestSupply.com

MO50‐en‐GB_V1.209/15

Description

MeterDescription

1. Measurementpins

2. LCDDisplay

3. Powerbutton

4. MaterialSelectbutton

5. DisplayLock/Beeperbutton

Notes:

Batterycompartmentonrearofmeter

Protectivepincovernotshown



DisplayDescription

1. MoistureDropicons(1dropletforlowmoisturecontent,2formedium,and3forhigh)

2. Woodmode

3. BuildingMaterialmode

4. Beeperactiveicon

5. Moisturereadingdigits

6. Percentmoistureunit(relative)

7. DisplayLockmode

8. Batterystatusicon

Fig.1MeterDescription

Fig.2DisplayDescription

www.GlobalTestSupply.com

Find Quality Products Online at: sales@GlobalTestSupply.com

MO50‐en‐GB_V1.209/15

ButtonDescription

ButtonButtonnameDescription

PowerON‐OFFPressandholdtoswitchthemeterONorOFF

/MaterialSelectSelectMaterialGroup(Wood,Building

Materials)

/DisplayLock/Beepercontrol

Shortpresslocksreadingonthedisplay

LongpresstogglestheBeeperON/OFF

Operation

OperatingSteps

1. Carefullyremovetheprotective/testcaptoexposetheelectrodepins.

2. SwitchthemeterONbypressingandholdingthe button.Themeteremitsaudibletones

andthedisplayswitchesonwhenthemeterpowersup.Ifthemeterdoesnotswitchon

pleasecheckthebatteryintherearcompartment.

3. MomentarypressesoftheMaterialSelectbutton togglestheWood andBuilding

Materialmodesofoperation.Thedisplayediconsindicatetheselectedmode.

4. Pushtheelectrodepinsintothematerialundertest.

5. Observethedisplayedreadinginpercent(%),viewthedisplayedmoisturedropleticon

andlistenfortheaudibletones.

1moisturedropletforlowreadings;2formediumreadings;3forhighreadings;refertothe

chartonthebackofthemeterandthereproductionintheAppendixlaterinthisguide.

Listen,also,totheaudiblemeasurementtone(fastbeepingforhigherreadingsandslow

beepingforlowerreadings).Thereareeight(8)tonevariations.

6. Pressandholdthepowerbuttontoswitchthemeteroff.

AutoPowerOFF(APO)

Toconservebatteryenergythemeterautomaticallyswitchesoffafterathree(3)minuteperiod

ofinactivity.

DisplayLock

PresstheDisplayLockbutton tofreezethedisplayedreading.The iconisvisibleonthe

displaywhenDisplayLockisactive.Press againtoreturntothenormaloperatingmode.

CAUTION:Theelectrodemeasurementpinsareextremelysharp.Usecarewhen

handlingthisinstrument.Coverthepinswiththeprotectivecapwhentheinstrument

isnotinuse.

www.GlobalTestSupply.com

Find Quality Products Online at: sales@GlobalTestSupply.com

MO50‐en‐GB_V1.209/15

BeeperON/OFF

ThebeeperdefaultstoON.ToswitchthebeeperOFF,pressandholdtheDisplayLock/Audible

Beeperbutton.Whenthebeeperisactivetheaudiodisplayiconwillbevisible.



SelfTestcap

TurnontheMO50meterandsetthemetertoWoodorBuildingandpresstheelectrodepinsto

thecontactsonthetopoftheProtective/Testcap.

Expectedresults:

Wood: 17.0to19.0%

Building: 15.5to17.5%

Ifthemeterreadsoutsideofthesemeasurementsreplacethebatteries.Ifitstillreadsoutside

ofthesemeasurements,themeterisdefectiveandyoushouldcontactExtech.

Maintenance

BatteryReplacement

Whenthebatterystatusiconappearsemptyorflashing,replacethebattery.

1. Removetherearbatterycompartmentcoverbypushingthecompartmentlatch.

2. Replacethe9Vbatteryobservingcorrectpolarity.

3. Replacethecompartmentdoorsecurely.

4. Disposeofbatteryresponsiblyandwithinapplicablelegalregulations.



Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.

Asconsumers,usersarelegallyrequiredtotakeusedbatteriestoappropriate

collectionsites,theretailstorewherethebatterieswerepurchased,or

whereverbatteriesaresold.

Disposal:Donotdisposeofthisinstrumentinhouseholdwaste.Theuserisobligatedtotake

end‐of‐lifedevicestoadesignatedcollectionpointforthedisposalofelectricalandelectronic

equipment.



CareandCleaning

Whentheinstrumentisnotinusepleasekeeptheprotectivecapinplace.Theelectrode

pinsareextremelysharp.

Storethemeterinanenvironmentallystable,dust‐freeenvironment,outofdirect

sunlight.

Removethebatteryfromtheinstrumentifthemeteristobestoredforlongperiodsorif

thebatterypowersymbolappearsempty(orflashing)onthedisplay.

Tocleanthemetercase,wipewithadampclothdonotusesolventsorabrasives.

Tocleanthepins,wipecarefullywithadampclothtoremoveresidue;allowtodrywell

beforeuse.

www.GlobalTestSupply.com

Find Quality Products Online at: sales@GlobalTestSupply.com

MO50‐en‐GB_V1.209/15

Specifications

DisplayLCDwithmulti‐functionindicators

MeasurementtypeRelativeMoistureContent(%)

MeasurementprincipleElectricalresistance

MeasurementindicationDigital,MoistureDropleticons(1,2,or3droplets)andaudibletone

with8levelsofintensityindicatinglowtohighmoisturereadings

MeasurementrangesWood

Low:5%to11.9%;Medium:12%to15.9%;High:16to50%

BuildingMaterials

Low:1.5%to16.9%;Medium:17%to19.9%;High:20to33%

Resolution  0.1%

Accuracy  ±3.0%forambientconditions22oCto25oC(72oFto77oF)

Electrodepinlength0.3”(8mm)

ElectrodepintypeStainlesssteel.Integrated,replaceable

AutoPowerOFF Afterapprox.three(3)minutes

PowersupplyOne(1)9VBattery(rearcompartment)

Consumption<15mA

LowBatteryindicationWhenbatteryvoltageis<7.0VDC,approximately

Operatingconditions5~45oC(41~113oF);80%RHmax.

Storageconditions0~50oC(32~122oF);85%RHmax.

Dimensions 170x65x30mm(6.7x2.6x1.2")

Weight120g(4.2oz.)withoutbattery

Appendix

MeasurementInterpretationTable

WOOD(%)BUILDINGMATERIAL(%)

TOTALRANGE>5~501.5~33

LOW

5~9.91.5~9.9

10~11.910~16.9

MEDIUM

12~13.917~17.9

14~15.918~19.9



HIGH

16~19.920~23.9

20~29.924~27.9

30~39.928~29.9

40~5030~33



Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform



www.GlobalTestSupply.com

Find Quality Products Online at: sales@GlobalTestSupply.com

Table of contents

Other Extech Instruments Measuring Instrument manuals

Extech Instruments

Extech Instruments 461700 User manual

Extech Instruments

Extech Instruments HD750 User manual

Extech Instruments

Extech Instruments 380973 User manual

Extech Instruments

Extech Instruments 407820 User manual

Extech Instruments

Extech Instruments VB400 User manual

Extech Instruments

Extech Instruments 475055 User manual

Extech Instruments

Extech Instruments 461920 User manual

Extech Instruments

Extech Instruments Oyster 341350A-P User manual

Extech Instruments

Extech Instruments RT32 User manual

Extech Instruments

Extech Instruments MO500 User manual

Extech Instruments

Extech Instruments RH300 User manual

Extech Instruments

Extech Instruments LT510 User manual

Extech Instruments

Extech Instruments MO270 User manual

Extech Instruments

Extech Instruments MZ13604 User manual

Extech Instruments

Extech Instruments 407113 User manual

Extech Instruments

Extech Instruments HD450 User manual

Extech Instruments

Extech Instruments HT30 User manual

Extech Instruments

Extech Instruments 407117 User manual

Extech Instruments

Extech Instruments HDV7C-A2-39-HD-1 User manual

Extech Instruments

Extech Instruments PQ3450-30 User manual

Extech Instruments

Extech Instruments MO230 User manual

Extech Instruments

Extech Instruments PH220 User manual

Extech Instruments

Extech Instruments MO210 User manual

Extech Instruments

Extech Instruments EC170 User manual

Popular Measuring Instrument manuals by other brands

Suaoki

Suaoki D40 user manual

Elster

Elster BK-G1.6 operating instructions

Endress+Hauser

Endress+Hauser Deltabar FMD71 technical information

Duratool

Duratool D03128 manual

Vega

Vega VEGAPULS 65 Quick setup guide

Tonghui

Tonghui TH2618B Operation manual

Tenmars

Tenmars TM-801 user manual

MSR

MSR 145 user manual

TPS

TPS WP-82 manual

ELMETRON

ELMETRON CP-511 user manual

PCB Piezotronics

PCB Piezotronics 003C30 Installation and operating manual

Tenma

Tenma 72-10465 manual

Endress+Hauser

Endress+Hauser Proline Promag 50 Brief operating instructions

Siemens

Siemens SITRANS F Coriolis FCT030 Function manual

KLINGER

KLINGER CMF V Series instruction manual

EXFO

EXFO FTB-2 Notice

Keysight

Keysight M8290A Getting started guide

ADTEK

ADTEK MW-5 operating manual