Uni-T UT208A Bruksanvisning

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Oiewverv

Tt ovft fe t d his OperaingManual cerins ormaiononsaty andcauions. Pleaserea

t ftf sve W t sttly.herelevanint ormaion careullandy oberall thearningands Noesric

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To oid hoonavelic sectrckers o praryl inju, d ionreathefo “S Inafetyrmat”

carefefreMeteully bo usthe ing r.

T t AC/ Vt, AC/ cyheMeercanmeasureDColageDCCurrent, Frequen, ty DuCycle,

ReisanDiodesConinuiandstce, , tty etc.

UTA et citcet.208hasxtra temperaureandCapaan feaures

Uspnnpacking Inectio

O ase ake ter its pen thepackage cand tout theMe. Check the followingem

careullyanmiingordamagedparf for y ss t:

It Qtem Descriptn ioy

O 1 Englishperat l ingManua1 pc

2 TesLeapait d 1 r

3 Pt tt ToinConacemperaurerobenl208hit P (Oy UTA) (Ts

cinc tat ludedpoint conct temperaureprobean used onlbey

t t tupo 0 si23℃. Foranmeay urement s higherhanhat, the

t trodypeemperat us) ureprobemubest ed

4 Toolbo x

1 pc

5

9a EDAA F) 1 V Bttery(N1604or6L22 pc

In theevenyouanymissingort find damaged part, please contacyourt dealer

immediaelty.

1 rpai

Sfonafety Inrmatio

T thisMeer compliewis th IEC61010, Pollution Degree 2, Overvoltage Category

(CAT.Ⅱ600V, CAT 300V) and Double Insulation standards.Ⅲ

CAT vceRT II: Localleelapplian, , POABIPtc., LUE EQMENT ewimalleth sr

transient ovvt CAT.erolages than III

CAT III: Disttribuionlevel , fixed installaiont, with smaller transienovervolt tages than CAT IV.

UseheMeeronlyasinhisoperaingmanualherwiseheproecio t t specified t t , ot t ttn

providedbyheMeermabeimpaired t t y .

In a W t t t o thismanual, arningidenifiescondiionsandacions thaposet hazards t

t user t e.he, ormadamagey theMeeror theequipmenundert tst

A te t ft ato.Noidenifies theinormaion thausert shouldpayttenion t

Wgarnin

To iblavoid posse elic sectrhock or palryerson inju, atnd o oid avpoiblsse dge ama

tthe r tthe ent a tthe o Meter oo quipme undertest, dhereo following rules:

B t t●ef oreusinghe t Meerinspect thecase. Donouset he t iiis Meerf t

tdamaged orhe

c case o s iv(orpart f thecae)s remoed. k fLooorracks or

t t t cmissing aatplaicst. Py ttenionohe st inulaionaroundheonnects.or

I t f●nspechet tesleadst or t tk damagedinsulaionorexposedmeal. Chec

t t cheesleadort s fonttyinui. Replace edamaged tst leads th tl wiidenica

tmodel t t f numberorelecricalspecificaionsbeoreusinghe ter. Me

t t●Do noapplyt morehahen t t t raedvolageas, markedonhe tertn Me, bewee

t t v theerminalors t beweenany terminalandgrounding. If thealueo be

tmeasured useisunknown, he x st e maimummeauremenposit ionandreduc

the st t a tia it.rangeepby stepunilsasfcty orreadings obained

W●hen t ectn measuremenhast beencompleeddisconnec, t theconnio

t t t c t t tbetweenheesleadandt s heircuiundert evest, remohee s stinglead

f t t tawayromhe o t input terminals f theMeerandurnhe t off.Meerpower

t● T t t heroaryswichshouldbeplacedinhe t y righposit ionandnoan

schangeov oerf rangehall o bemadeduringmeasurement tprevendamaget

o ter.f theMe

t●Do nocarryt out themeasuremenwhent he ter’s y Mebackcaseandbaertt

tcompart menaret not closedo av .oidelerictc shock

t t t●Do noinpuhighert t han AC t1000inV DCor750 V inbeweenhewo

t t tMeter’s input terminalo t avoidelecricshockanddamagesohe ter.Me

W t●henhe t a efft t s Meeris workingt anecivevolageover70inV DCor33rmV

in AC i ock., special careshouldbe t f takenorheres dangerf cteleric sho

t t f●Usehe propererminalsunc, ft ionand, rangeor metyourasuremen

s.

t t●Do stnouset ororehe t oMeerinanenvironment f highemperat, ure

humidity, , . explosiveinflammable st t androngmagneicfield The fce perorman

o t tte a .f theMeermadey eriorafterdampened

W t t t●hen usingheesleadskeept , yourfingersbehindhe n .figerguards

● To t td avoidelecricshockdo, not touch thebarewiresconnec, orsunuse,

t c tinpuerminalst t orheircuiundert e st.stingduringmeauremen

●Disconneccircuipowert t t t fe anddischargeallhigh-volagecapaciorsbeor

test tt .ingresisance, coninuiandty diode

t t ●Replacehe baeryttassoonashe tbaeryttindicaorappearslo. With a w

baertty, ts tt che t Meermight producese falreadinghaan o lead telectric

shock s y.andperonalinjur

W t●hen servicinghe ter Me, useonly the replacement parts with the same

model or identical electrical specifications.

t● T t o t t aheinernalcircuit f theMeershallnobet aleredt willo e avoiddamag

o t ct.f theMeerandanacy iden

S t t●oth t ft cloandmilddeergenshouldt beusedo cleanhe f ohe suracef t

s s tMet erwhenervic ve ingNo. abrasiandolvenhouldt s usbeedo t preven

t s f cheurface o tf theMeerromorros at.iondamage, andcciden

f● T t theMeerissuiableor .indooruse

t t● Turnhe t of i Meerf whent isnoint useandake t out thebaeryttwhenno

f tusingor a longime.

t f●Constt anlycheckhe i i baeryttast mayleakwhent hasbeenusingor e som

t t simerepla, cehe baerastty oon ak k l s leaingappears. Aleaingbaerwiltty

tdamagehe ter.Me

Inionbolteratnail Electrcal Syms

nsted IDoubleula

g Groundin

t t O WfarningRe. eroheperat l ingManua

AC (Altt t)ernaingCurren

DC t)(DirecCurrent

Cont Testinuity

Diode

Low Battery Indication

AC DCor

Danger o Vtef Higholag

Confoo norms t Standards f EuropeanUnio

The uureMeter Strct

(See Figure 1)

① G fHanduardspro: to tr’s ecuset handrom

t touchinghe .dangerouareas

② vo he Lever: press theleer topen t

tranormersf t v ijaws. When heleers

creleas ed, thejawswilllose.

③F Bunctionalustton

④Input Terminals

⑤LCD yDispla

⑥ SRotarywitch

⑦ J t Tranormersfawde: signedo up t AC pick he

tand DCcurrent flowinghrough t or heconduct.

It couldrans tft toter curren volage. Tehe tsted

F 1igure

Dissplay Symbol

2)(SeeFigure

F 2igure

1 T. esdiodt f oe

2 T tty on. heconinuibuzzeris

3t g. Indicaor forzeroin

4ta tive. Daholdisac

5 T t i to . heMeers in theaurange mode in

ch ttticswhi theMeer auomaally select

t the thrange wihe st.berest oluion

6 T tor. rueRMindicaS

7t ACt t. Indicaor for volageor curren

8tetive g. Indicas negareadin

9t te . Indicaor forDC volag

10hebaerylo. T tt is w.

W: To o ck arningavoid falsereadingswhich, couldlead tpoiblesselericct sho

t sor s yperonalinjur, replacehe baerastty oon a cator s.s thebaerinditty appear

11. T osi hEFheunit f transtor

12heuniemperaureCenigradeemperaur. T t of tt, ℃: t tte

13heuniemperaureahrenheiemperaur. T t of tt, ℉: Ft tte

14heuniapaan(U208onl. T t of ccitce TA y)

15ol. Vts. T otmVvheunit f volage. : Milliol

t.

16mperes(ampheuniurren. A s). T t of ct.

17heuniresianhmilohmMegohm. T t f ostce. (Ω: O, :KkΩ, M:Ω )

c v t t J conduorct st muerticallgoy hroughheawenter.

18heunirequenc. T t of fy. : , : (HzHerHztz, K: KilohertzMHzMeghertz)

19Ducylemeauremen. ty c st

Funionl onctaButts

B t ft ts.elow tableindicaed forinormaionabout the funionalctbuonttoperaion

SELECT

RANGE

HDOL

Buon tt

Opionerat Poderfrme

PLECT o ttetg ress SEbuontt t select thealerna funcionincludins

V , A and . (UTA )208only

Ω

RangeeaureandenerNUrangingNU ft: it AUTExO t MAAL . In MAAL ,

sTo to AUTO. AUT ft. eleneinpurangect xt t . EXI treurn tO isdeaul

Pss ceo on t reon t t turnhedisplabalighony ckt . Press again t turhe

diplabaklighherwisewillauomaall15ondsy ct f, ofot it tticy f ftofaer secs.

P t t●ress HOLDo tenerhe t Holdmodeinanymode(excep

%Hz)he, t t . Meerbeeps

P t t t●ress HO LDagaino exit theHoldmodeo treurno

meas t s. uremenmodet , theMeerbeep

● Turnheroaryswich t t t orpressanybuoncanalso tt exiholmodet d .

ZERO

W t ao hen theMeerist , V %Hzand A , press t%Hz

measurerequenandducle fcy ty cy.

PRo f AC/DC ress ZEO tzeroing thedisplaybeoremeasuring

vt, AC/stce citce.olageDC currenret, isanand capaan

Hz%

Automatic Power Off

T s t to a “s i ve t hediplablankandy s theMeergoeins leep”modef youhano

changedheroarwipoionorpreedbuonor15minuhil t ty stch sit ss a tt f tes. We

inleepmodepreingheanyiveunionalbuonorurning S , ss t effect Fct tt t the

roaryswichouldurnheMeeront t c t t t . To s s diable t sheleepmode funionpresct,

SEttLECT buonwhileurningonheme t t ter.

Thionl oneinf Effectveess o FunctaButts

Noeveryunionalbuoncanbeusedoneverroarwipoionselot fct tts y ty stch sit. Bw

t c cht us ch ttch t. abledesribewhi funcionalbuoncantts beedonwhiroary swiposiions

V

Ω

%Hz

40A

400A

1000A

℃

thusRoary Switc F Bunionalcttton

P osits LECTionSERANGE HOROLD ZE

%Hz

●

●

N/A

N/A

●

●

●

N/A

●

N/A

●

N/A

N/A

N/A

N/A

N/A

●

●

●

●

●

●

●

●

●

●

●

N/A

●

●

●

●

●

N/A

N/A

●

●

●

●

N/A

●

●

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●

●

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Measremeeratunt Opion

A . Measuring DC/AC Voltage(See Figure 3)

F 3igure

To o o avoid harm tyrge tou o damathe

Meterfretrckattem om elic sho, do not pt

tu vg thao measreoltaes highern V 750AC

or alth s e 1000DCV , hougreadingmay b

obintaed.

To s Ct meaureDC/A volages, cct tonnehe

Meerollowt as fs:

1I . nsert thered test lead into the

and black test leadin to the COM terminal.

V Hz t erminal

2e tho. St theroary switc t V . DC mesaurement

modeh to ia s default. Press to SELECT switc

AC sto t meauremenmodet . Press RANGE ener

manual ranging.

3 o ty or . Press Hz%buontt tmeasure frequencyorducyclebu, t the frequency

c f tdutyyc tlereadingobs ainedromhiranges i fce.s only forreeren

4e acth s. T d . Connect the tst leadsrowiss theobjecbeingt meauredhemeasure

v talue showons he y.displa

Note:

● AC a .Millivolist manualrangingmeasuremenmodet

I●n t oeachrange, theMeerhasaninpuimpedancet f 10MΩ.

T g hisloadin

c ceffect canause s cemeauremenerrorint s highimpedanircuits. If the

Wgarnin

Ω

circuit impedance is less thanor equal to 10kΩ, t (0.1% )heerrorisnegligibleorless.

W●hen C t the DC/Avolagemeasuremenhast beencompleeddisconnec, t t

t t t c tconneionct tbeweenhee stingleadands heircuiundert e e st andremov

t f test ingleadsromhe s.input terminal

Burince. Measing Ressta 4)(SeeFigure

Wgarnin

To o o onnuiavoid damage tthe r tMeter othei devces undertest, discecrct cit

powerscar and dihge athege pitoll high-voltacaacrsresstace before measuring in.

To ce t as:measureresianst, ct tonnecheMeers follow

1ns e to e tohe . Iert thered tst leadin theVHzΩ terminalandblack tst leadin t

t COMerminal.

2e tho . St theroarswiy tc tΩ

3acth . Connect the tesleadt s rowiss theobject

being measured. The measured value shows

tonhe y. displa

F 4igure

Note:

● To t a obainmoreprecisereadingyou, could

remove the objects beinges tted fromhe t

circuit during measurement.

t● Theesleadst 0.1o 0.3o canaddΩ tΩ f error

to t To t resisancemeasurement.obain

precision readings in low-resistance

measurement, short-circuit the input terminals

fss to beorehandpre, ZERO reset to "0" and this

shorted value will be automatically subtracted

from subsequent readings each time you perform

a resistance measurement.

F●or t (>)ihigh-resisancemeasurement 1MΩ, t

is normalake t to several secondob to tain a stable reading.

● To o o t t t avoidharm tyouordamages t theMeer fromelericshockdo, no

tao t ttempt tinput volageshigherhan V AC .33or70DCV

W●hen t tcresisancemeasuremenhast beencompleeddisconne,

t the

t t t c tconneionct tbeweenhee stingleadands heircuiundert e e st andremov

t f test ingleadsromhe s.input terminal

C. Testing for Cttyoninui 5)(SeeFigure

Wgarnin

To o o avoid damage tthe r tMeter othe

di t citevces undertest, disconnecrcui power

and di

scar-vtacaacrshge athell higholge pito

bore urctty. efmeasing oninui

Toetty tst for coninui, cct tonnehe t :Meeras follows

1ns e to. Iert thered tst leadin the

e tohe t. and theblack tst leadin tCOM erminal

VHzΩ terminal

2e t to . St theroaryswich t andpress

SELECT buttonele t soct

measuremenmodet

3. T i t oa hebuzzersoundsf theresisancef circuit

under tesist lesshan t 10Ω.

4. T i thebuzzermayormaynosoundt f theresisance

toa f circuiundert es10t is between 1to 0Ω 0Ω.

5. T i t oa r hebuzzerdoesnosoundt f theresisancef circuiundert tesist highe

than 010Ω.

F 5igure

Note

● To o o t t t avoidharm tyouordamage t theMeer fromelericshockdo, no

tao tttempt tinput volagehighers han V AC .33or70DCV

W t●hen ttyconinuiest t tn inghasbeencompleeddisconnec, t theconnecio

t t t c t tbetweenheest ingleadands heircuiundert e vest andremoe s stinglead

f tromhe s.input terminal

DT. esting iodDes (SeeFigure 6)

Wgarnin

To o o onnuiavoid damage tthe r tMeter othei devces undertest, discecrct cit

powll olindioderscar and dihge athe high-vtacaacrsefretestge pito bo g es.

Use o otc . thediode test t chediodeck s, transists, orandher semionduorctdevices

T s ahediode test send current through thejunionhenmeasures sct emionduorct, t t he

volagedropt ac .ross thejunionct A t tgood siliconjunciondropsbeween 0.5V and 0.8V.

To oa t as: test thediodeout f circuit, cct tonneheMeers follow

1 e to e tohe . It tnserhered tst leadin theVHzΩ terminalandblack tst leadin t

t COMerminal.

2e thos . St theroarswiy tc t . PresSELECT

t t o tswichomeasurement mode.

Note

● To t a obainmoreprecisereadingyou, could

remove the objects beinges tted fromhe t

circuiwhent s. meauring

● To o o avoidharm tyouordamage t the

Meterrom f eletric shockdo, not attempt to

t V AC . input volageshigher than33or70DCV

W t●hen diodeest tinghasbeencompleed,

disconnect the connection between the testing

t c tleads andheircuiundert evtt hst and remoe esingleads f trome inpuerminalt ts.

F 6igure

E. Measuring Frequency and Duty Cycle )(See Figure 7

Wgarnin

To o o hoavoid harm tyrge tou o damathe om elic sMeterfretrck, do not

attemmeasretaeser750AC1000DCpt to u volg high than V or V , hougalth

reamaytadings be obined.

To s t as:meaure frequency/duty cycle, cct tonneheMeers follow

1 e to e tohe . It tnserhered tst leadin theVHzΩ terminaland theblack tst leadin t

t COMerminal.

2e t to a for . St theroaryswich t%Hz. Frequencymeasuremenmodet isdeault

t tpress%Hz buontto tswicho tye.du cycle measurement mod

3acth s. T d . Connect the tesleadt s rowiss theobjebeingct meauredhemeasure

tvalue showons he y.displa

Model UT207A/UT208A/UT209A are 3 3/4 digit AC&DC digital clamp multimeters

(hereinafter referred to as "the Meter") featuring stable performance, high reliability

and unique structure. They are designed with large-scale integrated circuits and

dual integral A/D converter as its core and offer full-range overload protection.

3. For ft orward volagedropreadings on any

semiconductor component, placehe t redes tt

t tlead onhe t’s componenanodeandplacehe

t tblackest leadonhe t’s t. componencahode

T cat e heLCDwilldisplay OL indiingdiod

beingedopenorpolarierrordipla test is ty sy.

●

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