Extech Instruments MF100 Manuale utente

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USERGUIDE

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AC/DCMagneticMeter

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ModelMF100

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EXTECHINSTRUMENTS

2MF100‐en‐GB_V1.79/15

Introduction

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ThankyouforselectingtheExtechInstrumentsModelMF100.Thisdevice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,

andCustomerSupport.

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Features

DCandACmagneticfieldmeasurements

NorthandSouthpoleindication

Automatictemperaturecompensation

ZerobuttonforDC,ACmagneticfunction

Separateprobeforremotemeasurements

Highaccuracy

AdvancedfunctionalitywithprogrammableuserSettings

Idealforavarietyoflaboratoryandfielduses

Heavyduty,compacthousingwithhard‐shellcarryingcase

Autopowerofffeatureconservesbatteryenergy

Easy‐to‐readLCDdisplaywithgreenbacklight

DataHoldandMIN‐MAXRecord‐Recallfeatures

EXTECHINSTRUMENTS

3MF100‐en‐GB_V1.79/15

Safety

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InternationalSafetySymbols

Thissymbolindicatestheusermustrefertothemanualforfurtherinformation.

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Doubleinsulation

SafetyNotes

oRemovethebatteryifthedeviceistobestoredforlongerthan60days.

oNeverdisposeofbatteriesinafire.Batteriesmayexplodeorleak.

Cautions

oReadandunderstandthisusermanualbeforeoperatingthemeter.

oIftheequipmentisusedinamannernotspecifiedbythemanufacturer,theprotection

providedbytheequipmentmaybeimpaired.

EXTECHINSTRUMENTS

4MF100‐en‐GB_V1.79/15

Description

MeterDescription

1. ProbeConnection

2. LCDDisplay

3. HOLDButton

4. POWERButton

5. RECButton

6. ZEROButton

7. MODEDC/AC/SETButton

8. Tilt‐Standandbatterycompartmentonrear

9. ResetButton

10. DC9VPowerAdapterjack

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ProbeDescription

1. ProbeSensingHead

2. ProbeHandle

3. Probecable

4. ProbeHeadCover

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Fig. 1 – Meter Description

Fig. 2 – Probe Description

EXTECHINSTRUMENTS

5MF100‐en‐GB_V1.79/15

123

DisplayDescription

1. NorthNorSouthSindication

2. Unitofmeasure

(GforGauseormTformilliTesla)

3. ACorDCfieldandresolutioninformation

4. Magneticreading

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ButtonDescription

1. POWERButton:PressandholdtopowerthemeterONorOFF

2. HOLDButton:Shortpresstofreezedisplayedreading(HOLDiconwillappear);another

shortpresstoreturntonormaloperation

3. RECButton:ShortpresstostartrecordingMAXandMINreadings.Additionalshortpresses

willscrollthroughthesavedMAXandMINreadings.Pressandholdtoexitthismode

4. MODEDC/AC/SETButton:Shortpressestoscrollthroughtheavailableunitsofmeasure

andNorth/Southmodes.LongpresstoaccesstheUserSettingsmenu

5. ZEROButton:Shortpresstozerothedisplaybeforetakingareading

ResetButton(rightsideofmeter;notpicturedbelow):Presstorestorethemetertofactory

defaultconditions.Ifthemeterbecomesunresponsiveusetheresetbuttontorestorethe

meter.

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Fig. 3 – Display Description

Fig. 4 – Button Description

EXTECHINSTRUMENTS

6MF100‐en‐GB_V1.79/15

Operation

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AC/DCMagneticFieldMeasurement

PressandholdthePOWERbuttonforatleast2secondstoswitchthemeterON.UsetheMODE

buttontoscrollthroughthefollowingscreensinsequence:

Under mT unit Under G unit

N(S) mT

0.0

0AC

N(S) G

N(S) . mT0

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Eachscreenrepresentstheresolutionfortherespectiveunitofmeasure:

a1screenfor0.1mTDCresolutionmeasurements

b1screenfor0.01mTDCresolutionmeasurements

c1screenfor0.1mTACresolutionmeasurements

d1screenfor0.01mTACresolutionmeasurements

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a2screenfor1GDCresolutionmeasurements

b2screenfor0.1GDCresolutionmeasurements

c2screenfor1GACresolutionmeasurements

d2screenfor0.1GACresolutionmeasurements

Fig. 5 – Programming screens

EXTECHINSTRUMENTS

7MF100‐en‐GB_V1.79/15

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ForDCmagneticfieldmeasurements,thedisplaywillshoweithertheNorSindicator.Forthe

NorthPole,theNindicatorwillbeshown.Similarly,fortheSouthPole,theSindicatorwillbe

shown.ForACmagneticfieldmeasurements,thedisplaywillshowtheACindicator(theNorS

indicatorswillnotthenbeshown).

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Presstheprobeheadtothetestingmaterial(seeFig6).Thedisplaywillshowthemagneticfield

valuealongwiththeunitofmeasure(mT=MilliTeslaorG=Gauss)andAC,ifanACfield.

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Note:WhenthemeterispoweredON,thedisplaymayshowanon‐zerovalue(becauseof

environmentalinterference).BeforetakingameasurementpresstheZERObuttontonullthe

display.

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DataHold

Duringmeasurements,presstheHOLDbuttonandthemeasuredvaluewillbeheld(theLCDwill

displayHOLD).PresstheHOLDbuttonagaintoexitthedataholdfunction.

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DataRecording(MaximumandMinimumReading)

PresstheRECbuttontostartthedatarecordingfunction.TheLCDwilldisplayREC.PresstheREC

buttonagainandRECMAXalongwiththemaximumreadingrecordedwillappearontheLCD.

PresstheRECbuttonagaintodisplaytheminimumvalue(theLCDwilldisplayRECMIN).Toexit

thedatarecordingfunction,pressandholdtheRECbuttonfortwoseconds.Themeterwill

returntothenormalmodeofoperation.

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Note:WhenmakingDCmagneticfieldmeasurementswhiletheRECORDfunctionisactive,the

usercannotchangefromNorthtoSouthpoleorviceversa.

Fig. 6 – Touching Probe to Test Material

EXTECHINSTRUMENTS

8MF100‐en‐GB_V1.79/15

UserSettings

PressandholdtheSETbuttonfortwosecondstoentertheadvancedsettingsmode.Pressthe

SETbuttontocyclethroughthethreemainfunctions:

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POFFAutopowerOFFmanagement

CLrFactory‐onlydiagnosticfunction

UNItSelectthemagneticfieldunits(mTorG)

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Note:After7to10secondsthemeterwillreturntothenormaloperatingmode.

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(POFF)AutoPowerOFF

TheMF100usesanAutoPowerOFFutilitytoswitchthemeteroffautomaticallyinorder

toconservebatteryenergy.Thisfeaturecanbeenabledordisabled:

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IntheAdvancedSettingsmode,whentheLCDdisplaysPOFF,presstheRECbutton

UsetheZeroandModebuttonstoselectYESorNO

SelectingYESenablestheAutoPowerOFFfeature

SelectingNOdisablestheAutoPowerOFFfeature(userwillthenhavetoswitchoff

manually)

PresstheRECbuttontosavethesetting

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(UNiT)SelectingUnitsofMagneticField

IntheUserSettingsmodewhentheLCDdisplaysUNIT,presstheRECbutton

UsetheZEROorMODEbuttontoselectmTorG

SelectmTformilliTeslaunits

SelectGforGaussunits

PressRECtosavetheselection

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Factory‐onlyCLRfunction

WhenintheUserSettingsmode,withCLrdisplayed,pressRECtoskipthisstep.

Thisisafactory‐onlyutility

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ACPowerAdaptor

Thismeterisnormallypoweredbyone9Vbattery;howeveranoptional9Vpoweradaptoris

available.Whentheadaptorisused,themeterispermanentlypoweredandthepowerbuttonis

disabled.

EXTECHINSTRUMENTS

9MF100‐en‐GB_V1.79/15

FactoryDefaultReset

Ifthemeterbecomesinoperative,itcanberesettofactorydefaults.

Openthesidecompartmentand,withthemeteron,presstheresetswitch.

ThemeterwillberesetandtheUserSettingswillbeclearedandresettofactorydefaults.

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BatteryReplacement

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WhenthelowbatteryiconappearsontheLCD,thebatterymustbereplaced.Severalhoursof

accuratereadingsarestillpossibleinthiscondition;howeverbatteriesshouldbereplacedas

soonaspossible:

RemovethePhillipsscrewfromthebatterycompartmentontherearofthemeter.

Removeandsafelyplacethebatterycompartmentandscrewwheretheywillnotbe

damagedorlost.

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

ReplacethebatterycompartmentcoverwiththePhillipsscrew.

Note:ThemetercanalsoobtainpowerfromtheDC9VPowerAdapter.Themeterwillbe

permanentlypoweredONwhentheadapterisused(thepowerbuttonisdisabled).

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AllEUusersarelegallyboundbythebatteryordinancetoreturnallusedbatteriestocollection

pointsinthecommunityorwhereverbatteries/accumulatorsaresold!Disposalinthe

householdgarbageisprohibited!

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EXTECHINSTRUMENTS

10MF100‐en‐GB_V1.79/15

Specifications

CircuitCustomone‐chipmicroprocessorLSIcircuit

Display(LCD)Size52x38mm(2.0x1.5in.)

MeasurementUnitsmTMilliTesla

GGauss

MeasurementRange,DCmTRange1300.00mTx0.01mT

Range23,000.0mTx0.1mT

GRange13,000.0Gx0.1G

Range230,000Gx1G

MeasurementRange,ACmTRange1150.00mTx0.01mT

Range21,500.0mTx0.1mT

GRange11,500.0Gx0.1G

Range215,000Gx1G

Accuracy

At23°C+/‐5°C

DC±(5%rdg.+10dgt.)

AC±(5%rdg.+20dgt.)

FrequencyResponseACMeasurement:50Hz/60Hz

SensorHallEffectSensorwithAutoTemperatureCompensation

FieldDirectionUni‐axial

DisplaySamplingTimeApprox.1second

OperatingTemperature0to50°C(32to122°F)

OperatingHumidityLessthan85%R.H.

PowerSupply9VBattery

UniversalACadaptorsincluded

PowerConsumptionApproximately15mADC

Weight(meterandprobe)275g(9.7oz.)

DimensionsMainInstrument:198x68x30mm(7.8x2.67x1.18in.)

Probe:195x25x19mm(7.68x0.98x0.75in.)

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

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

ISO‐9001Certified

www.extech.com

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Indice

Altri manuali Extech Instruments Strumento di misura

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Extech Instruments RH390 Manuale utente

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Extech Instruments PS101 Manuale utente

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Extech Instruments SDL800-NIST Manuale utente

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Extech Instruments MA1500 Manuale utente

Extech Instruments

Extech Instruments AM300 Manuale utente

Extech Instruments

Extech Instruments MA440 Manuale utente

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Extech Instruments SDL350-NIST Manuale utente

Extech Instruments

Extech Instruments MO55W Manuale utente

Extech Instruments

Extech Instruments 407114 Manuale utente

Extech Instruments

Extech Instruments SP505 Manuale utente

Extech Instruments

Extech Instruments MA220 Manuale utente

Extech Instruments

Extech Instruments SL400 Manuale utente

Extech Instruments

Extech Instruments 380460 Manuale utente

Extech Instruments

Extech Instruments EX613 Manuale utente

Extech Instruments

Extech Instruments 407119-NIST Manuale utente

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Extech Instruments MO220 Manuale utente

Extech Instruments

Extech Instruments MO257 Manuale utente

Extech Instruments

Extech Instruments AN10 Manuale utente

Extech Instruments

Extech Instruments 461700 Manuale utente

Extech Instruments

Extech Instruments 475055 Manuale utente

Extech Instruments

Extech Instruments MA160 Manuale utente

Extech Instruments

Extech Instruments PH220 Manuale utente

Extech Instruments

Extech Instruments EC170 Manuale utente

Extech Instruments

Extech Instruments 381235 Manuale utente

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Duratool D03128 Manuale utente

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Vega VEGAPULS 65 Manuale utente

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Tonghui TH2618B Manuale utente

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Tenmars TM-801 Manuale utente

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MSR 145 Manuale utente

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TPS WP-82 Manuale utente

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EXFO FTB-2 Manuale operativo e di manutenzione

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