Brymen BM230R Series Manuale utente

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USER'S

MANUAL

BRIGHTPEOPLESCHOICE

Mìøící a dílenské pøístroje / Multimetry

uvádí:

BRYMEN BM236R, BM237R, BM239R

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Thismanualcontainsinformationandwarningsthatmustbefollowedforoperatingthemeter

safelyandmaintainingthemeterinasafeoperatingcondition.Ifthemeterisusedina

mannernotspeci fiedbythemanufacturer,theprotectionprovidedbythemetermaybe

impaired.

identifiesconditionsandactionsthatcouldresultinseriousinjuryorevendeath

totheuser.

identifiesconditionsandactionsthatcouldcausedamageormalfunction in the

instrument.

Toreducetheriskoffireorelectricshock,donotexposethisproducttorainormoisture.

Themeterisintendedonlyforindooruse.

Keepyourhands/fingersbehindthehand/fingerbarriers (ofthemeterandthetestprobe

assembly,whereapplicable)thatindicatethelimitsofsafeaccessofthehand held parts

duringmeasurements.Inspectleadwires,connectors,andprobesfordamagedinsulationor

exposedmetalbeforeusingthemeter.If anydefectsarefound,replacethemimmediately.

OnlyusetheprobeassemblyprovidedwiththemeteroraULListedProbeAssemblytothe

samemeterratingsorbetter.

IEC61010031requiresexposedconductivetestprobetipstobe 4mmforCATIII&CAT

IVratings.Refertothecategorymarkingsonyourprobeassembliesaswellasontheadd 

onaccessories(likedetachableCapsorAlligatorClips),ifany,forapplicableratingchanges.

Observepropersafetyprecautionswhenworkingwithvoltagesabove 33Vrms,46.7Vpeak

or70VDC.Thesevoltagelevelsposeapotentialshockhazardtotheuser.Beforeandafter

hazardousvoltagemeasurements,checkthevoltagefunctiononaknownsourcesuchas

linevoltagetodeterminepropermeterfunctioning.

Disconnectthetestleadsfromthetestpointsbeforechangingfunctions.

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MarkingofElectricalandElectronicEquipment(EEE).Donotdisposeofthis

productasunsortedmunicipalwaste.Contactaqualifiedrecycler

Caution!RefertotheexplanationinthisManual

Caution!Possibilityofelectricshock

Earth(Ground)

MeterprotectedthroughoutbyDoubleInsulationorReinforcedinsulation

Fuse

DirectCurrent(DC)

AlternatingCurrent(AC)

3 ThreephaseAlternatingCurrent

isapplicabletotestandmeasuringcircuitsconnectedatthe

voltage MAINSinstallation.Examplesaremeasurementson

devicesinstalledbeforethemainfuseorcircuitbreakerinthebuildinginstallation.

isapplicabletotestandmeasuringcircuitsconnectedtothe

s lowvoltage MAINS installation. Examples are

measurementsondistributionboards(includingsecondarymeters),circuit breakers,wiring,

includingcables,bus bars,junctionboxes,switches,socket outletsinthefixedinstallation,

andequipmentforind ustrialuseandsomeotherequipmentsuchasstationarymotorswith

permanentconnectiontothefixedinstallation.

isapplicabletotestandmeasuringcircuitsconnecteddirectlyto

utilizationpoints(socketoutletsandsimilarpo ints)ofthelow voltageMAINSinstallation.

ExamplesaremeasurementsonMAINSCIRCUITSofhouseholdappliances,portabletools

andsimilarequipment.

The instruments conform to CENELEC Lowvoltage directive 2014/35/EC,

Electromagneticcompatibilitydirective2014/30/EU andRoHSdirective2011/65/EU.

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Note:Topofthelinemodelisusedasrepresentativeforillustrationpurposes.Pleasereferto

yourrespectivemodelforfunctionavailability.

1) 35/6 digits 6000 counts

LCDdisplay

2)Pushbuttons forspecial

functions&features

3)SelectortoturnthePower

OnorOffandSelecta

function

4) InputJackfor10A(20Afor

30sec)currentfunction

5)InputJackforallfunctions

EXCEPT 10A current

function

6)Common (Ground

reference)InputJackforall

functions

7) AdditionalinputJackfor

PhaseRotationfunctiononly

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RMS(RootMeanSquare)isatermusedtodescribetheeffectiveorequivalentDCvalueof

anACsignal.TrueRMSist hetermwhichidentifiesaDMMthatresponds accuratelytothe

effectiveRMSvalueregardlessofthewaveformssuchas:square,sawtooth,triangle,pulse

trains,spikes,aswellasdistortedwaveformswiththepresenceofharmonics.Harmonics

maycause:

1)Overheatedtransformers,generatorsandmotorstoburnoutfasterthannormal

2)Circuitbreakerstotripprematurely

3)Fusestoblow

4)Neutralstooverheatduetothetriplenharmonicspresentontheneutral

5)Busbarsandelectricalpanelstovibrate

CrestFactoristheratiooftheCrest(instantaneouspeak)valuetotheTrueRMSvalue,and

iscommonlyusedtodefinethedynamicrangeofaTrueRMSDMM.Apuresinusoidal

waveformhasaCrestFactorof1.414.Abadlydistortedsinusoidalwaveformnormallyhasa

muchhigherCrestFactor.

Beforeandafterhazardousvoltagemeasurements,testthevoltagefunctiononaknown

sourcesuchaslinevoltagetodeterminepropermeterfunctioning.

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automaticallyselectsmeasurementfunctionofDCVorACV,basedontheirinput

levelsviathetestleads.Theinputalsoprovidesalowramp upimpedance(LoZ)todrain

ghostvoltages*.



nasignalabovethevoltagethresholdof1VDCorACuptotherated1000Vis

present,themeterdisplaysthevoltagevalueinappropriateDCorAC,whicheverlargerin

peakmagnitude.

Note:

* Ghostvoltagesareunwantedstraysignal scoupledfromadjacent

hardsignals,whichconfusecommonmultimetervoltagemeasurements.The mode

provideslow(ramp up)inputimpedance(approx.2.1

voltagesleavingmainlyhardsignalvaluesonmeterreadings.Itisaninvaluablefeaturefor

preciseindicationofhardsignals,suchasdistinguishingbetweenhotandopenwires(to

ground)inelectricalinstallationapplications.

*Only , pushbuttonfeaturesareavailableinAutoVmode.

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mode inputimpedanceincreasesabruptlyfrom initial2.1

onhighvoltagehardsignals sersofbeinginsuch

lowimpedancemode.Peakinitialloadcurrent,whileprobing1000VACforexample,canbe

up to673mA (1000Vx1.414/2.1 ,decreasingabruptlytoapprox.2.4mA (1000V x 1.414

/ 580 Donotuse modeoncircuitsthatcouldbe

damaged by such low input impedance. Instead, use rotary selector or high input

impedancevoltagemodestominimizeloadingforsuchcircuits.

Press the buttonmomentarilytoselect the subjectfunctionsinsequence. Last

selectionwillbesavedaspowerupdefaultforrepeatmeasurementconvenience.

Note:

andtheassociated areequippedwithdigitallow passfilter(DSP),andare

capable of handling (Variable FrequencyDrives)signalsforfundamentalV&Hz

readings. ItalsoimprovesACVandHzreadingstabilitywhenbeingusedinmostnoisy

electricalenvironments.

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Pressthe pushbuttonmomentarilytotoggleH zfunction.ItisonlyavailabletoVoltage

andCurrentrelatedranges.

InputsensitivityvariesautomaticallywiththefunctionrangeselectedwhileactivatingtheHz

function.6Vfunctionrangehasthehighestandthe1000Vrangehasthelowest.When

activatedunderDCV,ACVorVFD ACV voltagefunction,thetriggervoltagerangewillbe

displayedrightbeforestartingtheHzreadings.Pressmomentarilythe buttoncan

manually select another trigger voltage range (not available to current ranges). It is

recommendedtofirstmeasurethesignalvoltage(orcurrent)levelandactivateHzfunction

inthatrangetogetthemostappropriatetriggerlevel.IftheHzreadingbecomesunstable,

selectlowersensitivitytoavoidelectricalnoise.Ifthereading showszero,selecthigher

sensitivity.

Press the buttonmomentarilytoselect the subjectfunctionsinsequence. Last

selectionwillbesavedaspowerupdefaultforrepeatmeasurementconvenience.

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function is having improved convenience for checking wiring

connections and operation of switches. A continuous beep tone together with flashing

display backlightindicateacompletewire.Suchaudibleandvisible indications improve

continuityreadabilitiesinnoisyworkingenvironments.

In function,thenormalforwardvoltagedrop(forwardbiased)foragoodsilicondiode

isbetween0.400Vto0.900V.A readinghigherthanthatindicatesaleakydiode(defective).

A zero reading indicates a shorted diode (defective). An OL indicates an open diode

(defective).Reversethetestleadsconnections(reversebiased)acrossthediode.Thedigital

displayshowsO Lifthediodeisgood.Anyotherreadingsindicatethediodeisresistiveor

shorted(defective).

Usingresistanceandcontinuityfunctioninalivecircuitwillproducefalseresultsandmay

damagetheinstrument.Inmanycasesthesuspectedcom ponentmustbedisconnected

fromthecircuittoobtainanaccuratereading.

Dischargecapacitorsbeforemakinganymeasurement.Largevaluecapacitorsshouldbe

dischargedthroughanappropriateresistanceload.

Press the buttonmomentarilytoselectthe subjectfunctionsinsequence. Last

selectionwillbesavedaspowerupdefaultforrepeatmeasurementconvenience.

Note:Besuretoinsertthebananaplugtype Ktemperaturebead probeBkp60withcorrect

polarities.YoucanalsouseaplugadapterBkb32(Optionalpurchase)withbanana

pinstotypeKsockettoadaptotherstandardtypeKminiplugtemperatureprobes.

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