Uni-T UT208A Bruksanvisning

Uni-T Multimeter UT208A

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T t ov f t fe t d his Opera ing Manual c er ins orma ion on sa ty and cau ions. Please rea

t f t f s ve W t st tly.he relevan int orma ion care ull andy ob er all the arning ands No es ric

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To oid ho onav el ic sectr ck ers o pr a ryl inju , d ionrea the fo “S Inafety rmat ”

caref ef re Meteully b o us the ing r.

T t AC/ V t , AC/ cyhe Me er can measure DC ol age DC Current, Frequen , ty Du Cycle,

Re is an Diodes Con inui ands t ce, , t ty etc.

UT A e t cit ce t .208 has xtra tempera ure and Capa an fea ures

U sp nnpacking In ectio

O ase ake ter it s pen the package c and t out the Me . Check the following em

care ully an mi ing or damaged parf for y ss t:

It Qtem Descript n io y

O 1 English perat l ing Manua 1 pc

2 Tes Lea pait d 1 r

3 P t t t Toin Con ac empera ure robe nl 208 hit P (O y UT A) (T s

cinc ta t luded point con ct tempera ure probe an used onl bey

t t tup o 0 s i23 ℃. For an meay urement s higher han hat, the

t trod ype emperat us ) ure probe mu best ed

4 Tool bo x

1 pc

9 a EDA A F ) 1 V B ttery (N 1604 or 6L 22 pc

In the even you any missing ort ﬁnd damaged part, please contac yourt dealer

immedia elt y.

1 rpai

S fo nafety In rmatio

T this Me er complie wis th IEC61010, Pollution Degree 2, Overvoltage Category

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

CAT v ce RT II: Local le el applian, , PO AB IP tc., L UE EQ MENT e wi malleth s r

transient ov v t CAT .er ol ages than III

CAT III: Dist tribu ion level , ﬁxed installa iont , with smaller transien overvolt tages than CAT IV.

Use he Me er only as in his opera ing manual herwise he pro ec io t t speciﬁed t t , ot t t t n

provided by he Me er ma be impaired t t y .

In a W t t t o this manual, arning iden iﬁes condi ions and ac ions tha poset hazards t

t user t e .he , or ma damagey the Me er or the equipmen undert t st

A te t f t a t o.No iden iﬁes the in orma ion tha usert should pay tten ion t

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To iblavoid poss e el ic sectr hock or p al ryerson inju , a tnd o oid av po iblss e d ge ama

t the r t the e nt a t the o Meter o o quipme under test, dhere o following rules:

B t t●ef ore using he t Me er inspect the case. Do no uset he t i i is Me er f t

tdamaged or he

c case o s i v(or part f the ca e) s remo ed. k fLoo or racks or

t t t cmissing a a tpla icst . P y tten ion o he s t in ula ion around he onnect s.or

I t f●nspec het t es leadst or t t k damaged insula ion or exposed me al. Chec

t t che es lead ort s f ont tyinui . Replace edamaged t st leads th t l wi iden ica

tmodel t t f number or elec rical speciﬁca ions be ore using he ter. Me

t t●Do no applyt more ha hen t t t ra ed vol age as, marked on he ter t n Me , be wee

t t v the erminal ors t be ween any terminal and grounding. If the alue o be

tmeasured useis unknown, he x s t e ma imum mea uremen posit ion and reduc

the st t a ti a i t .range ep by step un il sa sf ct y or reading s ob ained

W●hen t ect n measuremen hast been comple ed disconnec, t the conn io

t t t c t t tbetween he es lead andt s he ircui undert e vest, remo he e s sting lead

f t t taway rom he o t input terminals f the Me er and urn he t off.Me er power

t● T t t he ro ary swi ch should be placed in he t y righ posit ion and no an

schangeov oer f range hall o be made during measurement t preven damaget

o ter.f the Me

t●Do no carryt out the measuremen whent he ter’s y Me back case and ba ertt

tcompart men aret not closed o av .oid ele rict c shock

t t t●Do no inpu highert t han AC t1000 inV DC or 750 V in be ween he wo

t t tMeter’s input terminal o t avoid elec ric shock and damages o he ter.Me

W t●hen he t a eff t t s Me er is working t an ec ive vol age over 70 inV DC or 33 rmV

in AC i o ck., special care should be t f taken or here s danger f ctele ric sho

t t f●Use he proper erminals unc, f t ion and, range or me tyour asuremen

t t●Do stno uset or ore he t oMe er in an environment f high emperat , ure

humidity, , . explosive inﬂammable st t and rong magne ic ﬁeld The f ce per orman

o t t te a .f the Me er ma dey eriora fter dampened

W t t t●hen using he es leads keept , your ﬁngers behind he n .ﬁger guards

● To t t d avoid elec ric shock do, not touch the bare wires connec, ors unuse,

t c tinpu erminalst t or he ircui undert e s t.sting during mea uremen

●Disconnec circui powert t t t f e and discharge all high-vol age capaci ors be or

test t t .ing resis ance, con inui andty diode

t t ●Replace he ba erytt as soon as he tba erytt indica or appears lo. With a w

ba ertt y, t s t t che t Me er might produce se fal reading ha an o lead t electric

shock s y.and per onal injur

W t●hen servicing he ter Me , use only the replacement parts with the same

model or identical electrical specifications.

t● T t o t t ahe in ernal circuit f the Me er shall no bet al ered t will o e avoid damag

o t c t.f the Me er and an acy iden

S t t●o th t ft clo and mild de ergen shouldt be used o clean he f o he sur ace f t

s s tMet er when ervic ve ing No. abrasi and olven houldt s usbe ed o t preven

t s f che urface o tf the Me er rom orros a t.ion damage, and cciden

f● T t the Me er is sui able or .indoor use

t t● Turn he t of i Me er f when t is no int use and ake t out the ba erytt when no

f tusing or a long ime.

t f●Const t an ly check he i i ba erytt as t may leak when t has been using or e som

t t sime repla, ce he ba er astt y oon a k k l s lea ing appears. A lea ing ba er wiltt y

tdamage he ter.Me

In ion bolter atn a il Electr cal Sym s

ns ted IDouble ula

g Groundin

t t O W farning Re. er o he perat l ing Manua

AC (Alt t t)erna ing Curren

DC t)(Direc Current

Cont Testinuity

Diode

Low Battery Indication

AC DCor

Danger o V t ef High ol ag

Conf o o norms t Standards f European Unio

The u ureMeter Str ct

(See Figure 1)

① G fHand uards pro: to t r’s ec uset hand rom

t touching he .dangerou areas

② v o he Lever: press the le er t open t

tran ormersf t v ijaws. When he le er s

creleas ed, the jaws will lose.

③ F Bunctional u stton

④ Input Terminals

⑤ LCD yDispla

⑥ SRotary witch

⑦ J t Tran ormersf aw de: signed o up t AC pick he

tand DC current ﬂowing hrough t or he conduct .

It could rans t f t to ter curren vol age. T ehe t sted

F 1igure

Dis splay Symbol

2)(See Figure

F 2igure

1 T. es diodt f o e

2 T t ty on. he con inui buzzer is

3 t g. Indica or for zeroin

4 ta tive. Da hold is ac

5 T t i to . he Me er s in the au range mode in

ch t t tic swhi the Me er au oma ally select

t the thrange wi he s t .be rest olu ion

6 T tor. rue RM indicaS

7 t AC t t. Indica or for vol age or curren

8 te tive g. Indica s nega readin

9 t t e . Indica or for DC vol ag

10 he ba ery lo. T tt is w.

W : To o ck arning avoid false readings which, could lead t po ibless ele ricct sho

t sor s yper onal injur , replace he ba er astt y oon a cator s.s the ba er inditt y appear

11. T o si hEFhe unit f tran stor

12 he uni empera ure Cen igrade empera ur. T t of t t , ℃: t t t e

13 he uni empera ure ahrenhei empera ur. T t of t t , ℉: F t t t e

14 he uni apa an (U 208 onl. T t of c cit ce T A y)

15 ol. V ts. T o t mV vhe unit f vol age. : Milli ol

16 mperes (amp he uni urren. A s). T t of c t.

17 he uni resi an hm ilohm Megohm. T t f o st ce. (Ω: O , :KkΩ, M :Ω )

c v t t J condu orct st mu erticall goy hrough he aw enter.

18 he uni requenc. T t of f y. : , : (Hz Her Hztz, K : Kilohertz MHz Meghertz)

19 Du cy le mea uremen. ty c s t

Fun ion l onct a Butt s

B t f t t s.elow table indica ed for in orma ion about the fun ionalct bu ontt opera ion

SELECT

RANGE

H DOL

Bu on tt

Op ionerat P o derf rme

P LECT o t te t g ress SE bu ontt t select the al erna func ion includins

V , A and . ( UT A )208 only

Range ea ure and en er NU ranging NU f t : it AUTEx O t MA AL . In MA AL ,

s T o t o AUTO. AUT f t. ele ne inpu rangect xt t . EXI t re urn t O is de aul

P ss ce o o n t re on t t turn he displa ba ligh ony ck t . Press again t tur he

di pla ba kligh herwise will au oma all 15 onds y c t f, of ot it t tic y f ftof a er sec s.

P t t●ress HOLD o ten er he t Hold mode in any mode (excep

%Hz) he, t t . Me er beeps

P t t t●ress HO LD again o exit the Hold mode o tre urn o

meas t s. uremen modet , the Me er beep

● Turn he ro ary swi ch t t t or press any bu on can also tt exi hol modet d .

ZERO

W t a o hen the Me er is t , V %Hz and A , press t%Hz

measure requen and du cle f cy ty cy .

P R o f AC/DC ress ZE O t zeroing the display be ore measuring

v t , AC/ s t ce cit ce.ol age DC curren ret, is an and capa an

Hz%

Automatic Power Off

T s t to a “s i ve t he di pla blank andy s the Me er goe ins leep”mode f you ha no

changed he ro ar wi po ion or pre ed bu on or 15 minu hil t t y s tch sit ss a tt f tes. W e

in leep mode pre ing he any ive un ional bu on or urning S , ss t effect F ct tt t the

ro ary swi ch ould urn he Me er ont t c t t t . To s s di able t she leep mode fun ion presct ,

SE ttLECT bu on while urning on he me t t ter.

Th ion l one i n f Effect ve ess o Funct a Butt s

No every un ional bu on can be used on ever ro ar wi po ions elot f ct tt s y t y s tch sit . B w

t c ch t us ch t tch t . able des ribe whi func ional bu on cantt s be ed on whi ro ary swi posi ions

%Hz

40A

400A

1000A

℃

t h u sRo ary Switc F Bun ionalct tton

P osit s LECTion SE RANGE HO ROLD ZE

%Hz

●

N/A

●

N/A

●

N/A

●

N/A

●

N/A

●

N/A

●

N/A

●

N/A

●

N/A

Meas reme eratu nt Op ion

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

F 3igure

To o o avoid harm t y r ge tou o dama the

Meter fr etr ck attem om el ic sho , do not pt

t u v g thao meas re olta es higher n V 750 AC

or alt h s e 1000 DCV , houg reading may b

ob inta ed.

To s C t mea ure DC/A vol ages, c ct tonne he

Me er ollowt as f s:

1 I . nsert the red test lead into the

and black test lead in to the COM terminal.

V Hz t erminal

2 e t h o. S t the ro ary switc t V . DC mesaurement

mode h to i a s default. Press to SELECT switc

AC s to t mea uremen modet . Press RANGE en er

manual ranging.

3 o ty or . Press Hz% bu ontt t measure frequency or du cycle bu, t the frequency

c f tduty yc tle reading obs ained rom hi ranges i f ce.s only for re eren

4 e ac th s . T d . Connect the t st leads ro wiss the objec beingt mea ured he measure

v talue show ons he y.displa

Note:

● AC a .Millivol ist manual ranging measuremen modet

I●n t oeach range, the Me er has an inpu impedancet f 10MΩ.

T g his loadin

c ceffect can ause s cemea uremen error int s high impedan ircuits. If the

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circuit impedance is less than or equal to 10kΩ, t (0.1% )he error is negligible or less .

W●hen C t t he DC/A vol age measuremen hast been comple ed disconnec, t t

t t t c tconne ionct tbe ween he e sting lead ands he ircui undert e e st and remov

t f test ing leads rom he s.input terminal

B ur i nce. Meas ing Res sta 4)(See Figure

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To o o onn uiavoid damage t the r tMeter o the i dev ces under test, disc ec rct ci t

power sc ar and di h ge a the ge p itoll high-volta ca ac rs res sta ce before measuring i n .

To ce t a s:measure resi anst , c t tonnec he Me er s follow

1 ns e to e to he . I ert the red t st lead in the V HzΩ terminal and black t st lead in t

t COM erminal.

2 e t h o . S t the ro ar swiy tc t Ω

3 ac th . Connect the tes leadt s ro wiss the object

being measured. The measured value shows

ton he y. displa

F 4igure

Note:

● To t a ob ain more precise reading you, could

remove the objects being es t ted from he t

circuit during measurement.

t● The es leadst 0.1 o 0.3 o can add Ω t Ω f error

to t To t resis ance measurement. ob ain

precision readings in low-resistance

measurement, short-circuit the input terminals

f ss to be orehand pre, 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-resis ance measurement 1MΩ, t

is normal ake t to several second ob to tain a stable reading.

● To o o t t t avoid harm t you or damages t the Me er from ele ric shock do, no

ta o t ttempt t input vol ages higher han V AC .33 or 70 DCV

W●hen t t cresis ance measuremen hast been comple ed disconne,

t the

t t t c tconne ionct tbe ween he e sting lead ands he ircui undert e e st and remov

t f test ing leads rom he s.input terminal

C. Testing for C t tyon inui 5)(See Figure

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To o o avoid damage t the r tMeter o the

d i t ci tev ces under test, disconnec rcui power

and di

sc ar -v ta ca ac rsh ge a thell high ol ge p ito

b ore ur c t ty. ef meas ing on inui

To e t ty t st for con inui , c ct tonne he t :Me er as follows

1 ns e to. I ert the red t st lead in the

e to he t . and the black t st lead in t COM erminal

V HzΩ terminal

2 e t t o . S t the ro ary swi ch t and press

SELECT button ele t so ct

measuremen modet

3. T i t o a he buzzer sounds f the resis ance f circuit

under tes ist less han t 10Ω.

4. T i the buzzer may or may no soundt f the resis ance

to a f circui undert es 10t is between 1 to 0Ω 0Ω.

5. T i t o a r he buzzer does no soundt f the resis ance f circui undert tes ist highe

than 010 Ω.

F 5igure

Note

● To o o t t t avoid harm t you or damage t the Me er from ele ric shock do, no

ta o tttempt t input vol age highers han V AC .33 or 70 DCV

W t●hen t tycon inui est t t n ing has been comple ed disconnec, t the connec io

t t t c t tbetween he est ing lead ands he ircui undert e vest and remo e s sting lead

f trom he s.input terminal

D T. esting iodD es (See Figure 6)

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To o o onn uiavoid damage t the r tMeter o the i dev ces under test, disc ec rct ci t

pow ll ol in dioder sc ar and di h ge a the high-v ta ca ac rs ef re testge p ito b o g es.

Use o ot c . the diode test t che diodeck s, transist s, or and her semi ondu orct devices

T s ahe diode test send current through the jun ion hen measures s c t emi ondu or ct , t t he

vol age dropt ac .ross the jun ionct A t tgood silicon junc ion drops be ween 0.5V and 0.8V.

To o a t a s: test the diode out f circuit, c ct tonne he Me er s follow

1 e to e to he . I t tnser he red t st lead in the V HzΩ terminal and black t st lead in t

t COM erminal.

2 e t h o s . S t the ro ar swiy tc t . Pres SELECT

t t o tswi ch o measurement mode.

Note

● To t a ob ain more precise reading you, could

remove the objects being es t ted from he t

circui whent s . mea uring

● To o o avoid harm t you or damage t the

Meter rom f eletric shock do, not attempt to

t V AC . input vol ages higher than 33 or 70 DCV

W t●hen diode est ting has been comple ed,

disconnect the connection between the testing

t c tleads and he ircui undert e v t t hst and remo e es ing leads f trom e inpu erminalt t s.

F 6igure

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

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To o o hoavoid harm t y r ge tou o dama the om el ic sMeter fr etr ck, do not

attem meas re ta es er 750 AC 1000 DCpt to u vol g high than V or V , hougalt h

rea may tadings be ob ined.

To s t a s:mea ure frequency/duty cycle, c ct tonne he Me er s follow

1 e to e to he . I t tnser he red t st lead in the V HzΩ terminal and the black t st lead in t

t COM erminal.

2 e t t o a f or . S t the ro ary swi ch t %Hz. Frequency measuremen modet is de ault

t tpress %Hz bu ontt o tswi ch o ty e.du cycle measurement mod

3 ac th s . T d . Connect the tes leadt s ro wiss the obje beingct mea ured he measure

tvalue show ons 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 f t orward vol age drop readings on any

semiconductor component, place he t red es t t

t tlead on he t’s componen anode and place he

t tblack est lead on he t’s t . componen ca hode

T cat e he LCD will display OL indi ing diod

being ed open or polari error di pla test is ty s y.

●

Produktspecifikationer

Varumärke:	Uni-T
Kategori:	Multimeter
Modell:	UT208A
Vikt:	533 g
Bakgrundsbelysning:	Ja
Grundläggande noggrannhet (växelström):	±(2%+2)
Grundläggande noggrannhet (växelspänning):	±(1.2%+3)
Grundläggande noggrannhet (kapacitans):	±(4%+3)
Grundläggande noggrannhet (frekvens):	±(0.1%+3)
Grundläggande noggrannhet (motstånd):	±(1%+2)
Diodtest:	Ja
Grundläggande noggrannhet (likström):	±(1.5%+5)
Produktstorlek (BxDxH):	105 x 45 x 286 mm
DC-spänningsområde:	0.4 - 1000 V
AC-spänningsområde:	0.4 - 750 V
Kontinuitet kontroll:	Ja
Batterispänning:	9 V
Indikator för låg batterinivå:	Ja
DC strömområde:	40 - 1000 A
AC-strömområde:	40 - 1000 A
Grundläggande noggrannhet (likspänning):	±(0.8%+1)
Intervall för temperaturmätning:	-40 - 1000 ° C
Data håller:	Ja