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 407113 User manual

Extech Instruments

Extech Instruments EA80 User manual

Extech Instruments

Extech Instruments 461891 User manual

Extech Instruments

Extech Instruments 407750 User manual

Extech Instruments

Extech Instruments ET38 User manual

Extech Instruments

Extech Instruments 401036 User manual

Extech Instruments

Extech Instruments 407730 User manual

Extech Instruments

Extech Instruments 380950 User manual

Extech Instruments

Extech Instruments VB500 User manual

Extech Instruments

Extech Instruments 480836 User manual

Extech Instruments

Extech Instruments AN500 User manual

Extech Instruments

Extech Instruments 700 Series User manual

Extech Instruments

Extech Instruments LT505 User manual

Extech Instruments

Extech Instruments ExStik EC510 User manual

Extech Instruments

Extech Instruments RH25 User manual

Extech Instruments

Extech Instruments SDL100 User manual

Extech Instruments

Extech Instruments 407735 User manual

Extech Instruments

Extech Instruments 407860 User manual

Extech Instruments

Extech Instruments 451112 User manual

Extech Instruments

Extech Instruments 380942 User manual

Extech Instruments

Extech Instruments 407114 User manual

Extech Instruments

Extech Instruments ExStik RE300 User manual

Extech Instruments

Extech Instruments 407768 User manual

Extech Instruments

Extech Instruments 475055 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