Velleman EVM831 Manuel d'utilisateur télécharger pdf (Page 10)

28.04.2010

• The meter

w

connection

i

circuited, th

Notes:

• Never pe

capacito

r

• Measurin

Consider

Transistor te

s

Do

n

Use

• Connect th

e

VmA

j

ack

• Set the sel

e

• Determine

w

emitter, th

e

the include

d

• Connect th

e

probe to th

e

• The current

• Nota:

• Make su

r

8. Mainten

a

WAR

N

openi

AMP/

Rem

a

Do n

o

acces

s

acces

s

Switc

h

batter

y

a. General m

a

• Wipe the d

e

solvents or

a

b. Battery Re

• Replace the

Low/bad ba

t

• Remove tes

the input

j

a

c

• Switch off t

h

• Release the

compartme

n

• Replace the

specificatio

n

rechar

g

eabl

• Close the b

a

w

ill display the appro

x

i

s reversed, the mete

r

e display shows 0mV

.

rform diode measure

m

r

s are completely disc

h

g

diodes that are par

t

disconnectin

g

them

f

s

t

n

ot perform transis

t

the included transi

s

e

black test lead to th

e

.

e

ction switch to hFE.

w

hether the transisto

r

e

base and the collect

o

d

adaptor socket.

e

test probes to the d

a

e

“COM”).

g

ain hFE is shown o

n

r

e to insert the transi

s

a

nce / battery a

N

ING: To avoid elec

n

g

the device To p

r

VOLT ratin

g

shown

a

rk: refer to the wa

r

o

t replace internal pa

r

s

ories by identical on

e

s

ories e.

g

. test probe

s

h

off the meter and re

y

or fuses.

a

inenance:

e

vice re

g

ularly with a

m

a

brasive products.

placement

battery as soon as t

h

t

teries can produce f

a

t probes from the cir

c

c

ks.

h

e multi-meter.

screw at the back of

n

t.

battery by 2 new ba

t

n

s followin

g

the indic

a

e batteries)

a

ttery compartment a

EVM831

10

x

imate forward volta

ge

r

will display “1”; if t

h

.

m

ents on a live circui

t

h

ar

g

ed.

t

of a circuit mi

g

ht pr

o

f

rom the circuit.

t

or test on live circ

u

s

tor socket.

e

COM

j

ack and the r

e

r

is of the NPN- or PN

P

o

r. Insert the leads in

t

a

ptor socket (red pro

b

n

the display (base cu

s

tor in the socket the

nd fuse replace

m

trical shock remov

e

r

event fire, only ins

t

.

r

nin

g

on the back o

f

r

ts yourself. Replace

d

e

s with the same spe

c

s

at your dealer.

move test leads prior

m

oist, lint-free cloth.

h

e “ ” indication ap

a

lse readin

g

s.

c

uit under test. Remo

v

the meter (top) and

o

t

teries of the same ty

p

a

ted polarity(2x 1.5V

A

nd ti

g

hten the screw.

©Velleman n

v

e

drop. If the lead

h

e diode is short-

t

and make sure all

o

duce faulty results.

u

its.

e

d test lead to the

P

-type and locate the

t

o the proper holes in

b

e to the “+”, black

rrent 10µA, Vce 2,8V

)

ri

g

ht way.

m

ent

e

test leads before

t

all fuses with

f

the meter.

d

ama

g

ed or lost

c

ifications. Order spar

e

to replacin

g

the

Do not use alcohol,

pears on the display.

v

e all test leads from

o

pen the battery

p

e and with the same

A

AA, do not use

v

)

.

e

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