Velleman EVM851 Manual do Utilizador descarregar pdf (Página 8)

16.04.201

10.3 A

C

D

U

A

1. Con

n

2. Set

t

3. Con

n

4. Rea

d

10.4 R

E

D

a

1. Con

n

has

a

2. Set

t

3. Con

n

4. If th

e

capa

c

10.5 D

I

D

t

1. Con

n

posi

t

2. Set

t

3. Con

n

cath

o

conn

10.6 T

R

D

a

1. Con

n

2. Set

t

3. Dete

colle

c

4. Con

n

of th

e

5. The

d

3V.

10.7 A

U

D

t

1. Con

n

2. Set

t

3. Con

n

will

s

11. Ba

t

• When"

0

C

VOLTAGE

M

D

o not measur

e

U

se extreme ca

A

lways place y

o

n

ect the red tes

t

t

he rotary switc

h

n

ect the test lea

d

the voltage va

E

SISTANCE

D

o not conduct

a

re depleted.

n

ect the red tes

t

a

positive polari

t

he rotary switc

h

n

ect the test lea

e

resistance bei

c

itors before a

p

I

ODE TEST

D

o not conduct

t

he circuit are

d

n

ect the red tes

t

t

ive polarity "+"

t

he rotary switc

h

n

ect the red tes

t

o

de of the diod

e

ection is revers

R

ANSISTOR

T

D

o not conduct

a

daptor socket.

n

ect the black t

e

t

he rotary switc

h

rmine whether

c

tor. Insert the

n

ect the black t

e

e

transistor soc

d

isplay will sho

w

U

DIBLE CON

D

o not conduct

t

he circuit are

d

n

ect the red tes

t

t

he range switc

h

n

ect the test lea

s

ound.

t

tery & fus

e

WARNING:

T

housing.

T

o p

manual.

Remark: ref

e

There are no

Refer to an a

u

Disconnect th

terminals bef

o

" is displa

y

M

EASUREME

e

circuits that

m

ution when me

a

o

ur fingers behi

n

t

lead to the "V

Ω

h

in the approp

r

ds to the sourc

e

lue on the LCD

resistance mea

t

lead to the "V

Ω

ty "+").

h

in the approp

r

ds to the resist

o

ng measured is

p

plying the test

diode- or conti

n

d

epleted.

t

lead to "VΩm

A

.).

h

in the " "

p

t

lead to the an

o

e

. The approx.

f

ed, the display

T

EST

transistor mea

s

e

st lead (-) to t

h

h

in the "hFE"

p

the transistor i

s

leads into the

p

e

st lead (-) to t

h

ket.

w

the approxim

a

TINUITY TE

S

diode- or conti

n

d

epleted.

t

lead to "VΩm

A

h

in the " " p

o

ds to two point

s

e

Replace

m

T

o avoid electri

c

revent fire haz

a

e

r to the warnin

use

r

-serviceabl

e

u

thorized deale

r

e test leads fro

m

o

re replacing th

y

ed, the batter

y

EVM

8

8

NT

m

ay contain volt

a

a

suring voltage

s

n

d the protecti

v

Ω

mA" jack and

r

iate ACV positi

e

to be measur

e

display.

surements on l

i

Ω

mA" jack and

r

iate "Ω" range

o

r to be measu

r

connected to

a

probes.

n

uity measure

m

A

" jack and the

p

osition.

o

de of the diod

e

f

orward voltage

will merely sho

w

s

urements on li

v

h

e "COM" jack

a

p

osition.

s

of the NPN- o

r

p

roper holes in

t

h

e "COM" termi

a

te hFE-value

a

S

T

n

uity measure

m

A

" and the blac

k

o

sition.

s

of the circuit

t

m

ent

c

al shock alwa

y

a

rds, only use f

u

g on the batter

y

e

parts inside t

h

r

for service an

d

m

the test poin

t

e batteries or f

u

y

should be repl

a

8

51

a

ges > 600V

s

higher than 6

0

v

e edges of the

the black test l

e

on.

e

d.

i

ve circuits. Ma

k

the black test l

e

position.

r

ed and read th

a

circuit, turn of

f

m

ents on live ci

r

black one to th

e

e

to be tested

a

drop of the dio

w

a "1".

v

e circuits. For

a

nd the red tes

t

r

PNP-type and

t

he included tr

a

nal and the red

a

t the moment

o

m

ents on live ci

r

k

one to "COM".

t

o be tested. If

y

s disconnect t

h

u

ses with the s

a

y

compartment

h

e device.

d

/or spare part

s

t

s and remove

t

u

ses.

a

ced.

0

Vdc or 30Vac

r

test probes whi

e

ad to the "CO

M

k

e sure all capa

e

ad to the "CO

M

e LCD display.

f

the power an

d

r

cuits. Make su

r

e

"COM" jack (t

a

nd the black te

s

de will be displ

a

transistor test

u

t

lead (+) to th

e

locate the emit

t

a

nsistor socket.

test lead (+) t

o

o

f testing. Base

r

cuits. Make su

r

continuity exist

h

e test leads pri

a

me ratings as

s

s

.

t

he test leads f

r

©Vellem

a

r

ms.

le measuring!

M

" jack.

citors in the cir

c

M

" jack (the red

d

discharge all

e all capacitors

he red lead ha

s

s

t lead to the

a

yed. If the

u

se the include

d

e

"mA" jack.

t

er, the base a

n

o

the other ter

m

current 10µA,

V

e all capacitors

s, the built-in

b

or to opening t

h

s

pecified in this

r

om the measu

r

a

n nv

c

uit

lead

in

s

a

d

n

d the

m

inal

V

ce

in

b

uzzer

h

e

r

ing

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EVM851 2
SSEMENT : 12

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