GUILIN SENJIE Technology SJ300 User Manual

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Pleasekeepmanualproperly.

Beforeusingourequipment

pleasereadtheinstruction

manualseriously.

GUILIN SENJIE Technology Co.,Ltd.

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http://www.pf-bst.com/

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Digetal Guassmeter

Manual

SJ300

Introduction

Introduction

Introduction

Introduction

TheTelemetersisaspecialinstrumentusedforinspecting&checkingflux

density,whichisalsooneofthemostuniversallydevicesinthefieldofmagnetic

measurement.

ModelBST200hdigitalT elemetersiscontrolledbytheSCM,whichissuitable

for

handleoperation. ItcanbeusedtomeasureDCmagneticfieldandfluxdensity.

Thedevicecanbecarriedonone

’

sperson.Itischaracterizedbyitswidemeasuring

range,simpleoperationandcleardisplay .Itisstilladdedwiththefunctionof

maintenancesuchasholdingMeasureValue/PeakValue,AsmTorGsunitofdisplay

canbechangeover,Measuringrangeof200mTor2000mTcanbechose,andothers

thatasresettingzerobykeyandsoon.Thepowerisonepieceofbattery

9V.

Itcanbe

usedcontinuallyabout20hours.

RealityWorkingDomain:

1)Magneticfielddistributionofmaterialsurface

2)Workingmagneticfieldproducedfrosomeinstrumentthatasiron-removingdevice,

magnet-selectingmachine,magnetchuck,magnetspoolanddemagnetizingcoil

3)LeakageMagneticiron-surface

4)Magneticfieldwithinthestructureofthegap

avoidcondensation.

15Neverplacetheinstrumentinclosethemachinegeneratingstrongmagneticfield,

suchasmagnet-charger,demagnetizecoil,microwaveoven,electricwelding

equipmentelectricmotorandetc.

16Inconclusion,wesuggestyoutocalibratetheinstrumentintime.

Whole

Whole

Whole

WholeSet

Set

Set

Setof

of

of

ofthe

the

the

theInstrument:

Instrument:

Instrument:

Instrument:

1.ModelBST200HDigitalGauss

meter

1pcs

2.Instructionforuse1pcs

3.ProduceCertificate1pcs

4.Probe1pcs

5.Battery1pcs

1

14

4.Theinstrumentisguaranteedtokeepingoodrepairfor12monthsexceptthe

probe.

5.Donotusetheinstrumentininappropriateconditions.

6.Ifyoufindthevalueoftestingwereerrorinthestatusofmeasurement,youcould

loosenthehandleoftheprobetoadjustthescrewoftheresistancetinily.Ifdon’t

ensurethattheinstrumentisoperatedcorrectlydescribedbelow,therewouldbe

errororMistake.

7Don’tattempttorepair,ordisassemble,andanyreconstructthisinstrument.

8Useonlyrecommendedpoweraccessories.

9Don’tconnecttheterminalsoftheouterpowersupplyreversely.theinnerisplus,

theouterisMinus.

10Don’tdropthisinstrumentortheprobedownground.It’llbedamagedbystrong

vibration.

11

Donotallowhandsorotherobjectswithdirttotouchtheprobe.

12Avoidusing,placingorstoringtheinstrumentinplacessubjecttostrongsunlightor

hightemperature,soastohumidity,water,oil,rustair,vibrationandothers.

13Itwouldbeusedtotemperaturerangeorstoreupneedtocomplyasappointment.

14

You

shouldnotmovingtheinstrumentrapidlybetweenhotandcoldtemperatureto

Working

Working

Working

WorkingPrinciple

Principle

Principle

Principle

ThisseriesofinstrumentsusesensorswhicharemadeaccordingtoHallEffect.

Thecircuitadoptsprecisionconstantcurrentsource,amplifierwithlowdriftandhigh

stabilitypowersupply.ItiscontrolledbytheSCM.Finallymeasuredvalueisdisplayed

bydigitalvoltmeterwitha4½LED.

1)PrincipleofHallEFFECT

Whenplacingthesemiconductorcarryingcurrentinthemagneticfield

axialtothecurrentdirection,thesemiconductorwillgeneratetransverse

galvanomagneticphenomenon,namelygenerateelectromotiveforceinthe

directionaxialtothemagneticfieldandcurrent,whichisHallEffect.Hall

Effectcanbeexplainedwithclassicalgalvanomagnetictheory.Generally,Hall

voltageUHisexpressedas:

UH=RHIB0/d=RHIIB0

Ofwhich:d—thethicknessoftheHalldevice

RH—Hallconstant

RHI=RH/d—ConstantoftheHalldevice

2

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