Velleman DVM893 Manuel d'utilisateur télécharger pdf (Page 11)

V. 03 – 0

1

3. Conn

e

prob

e

The

m

conn

e

Notes:

• Measur

i

Consid

e

• In a cir

c

0.8 V.

H

of othe

r

7.8 Aud

T

o

ci

r

co

N

e

To test fo

r

1. Set t

h

2. Conn

e

“” s

o

3. Conn

e

If the

conti

n

exce

e

“1”.

7.9 Me

a

T

o

ci

r

ca

di

s

D

o

The mete

r

To measu

r

1. Selec

t

2. Conn

e

s

o

3. Conn

e

The

m

Notes:

• When

m

readou

t

•

T

o incr

e

hold th

e

the tes

t

1

/02/2013

e

ct the black test

p

e

to the anode (po

s

m

eter displays the

e

ction is reversed,

i

ng diodes that ar

e

e

r disconnecting t

h

c

uit, a good diode

H

owever, the reve

r

pathways betwe

e

ible Continuity

T

o

avoid electrical s

h

r

cuit power and di

s

ntinuity.

e

ver perform co

n

r

continuity:

h

e rotary switch t

o

e

ct the black test

l

o

cket.

e

ct the test probe

s

measured resista

n

uously and the r

e

e

ds the selected r

a

a

suring Capacita

n

o

avoid electrical s

h

r

cuit power and di

s

pacitance. Use th

e

s

charged.

o

not perform c

a

r

’s ranges are: 2.0

r

e capacitance:

t

the appropriate

e

ct the black test

l

o

cket.

e

ct the test probe

s

m

easured value ap

m

easuring bulk ca

p

t

.

e

ase accuracy wh

e

e

tips of the test

p

t

leads. Subtract t

h

DVM89

3

11

p

robe to the cath

o

s

itive) of the diod

e

approximate forw

the meter displa

y

e

part of a circuit

m

h

em from the circ

u

should produce a

rse bias reading c

a

e

n the probe tips.

T

est

h

ock and/or dam

a

s

charge all high-v

o

n

tinuity tests on

o

the position.

l

ead to the “COM”

s

to the circuit/co

m

nce is less than ±

e

sistance is displa

y

a

nge or in case of

a

n

ce

h

ock and/or dam

a

s

charge all high-v

o

e

DC voltage func

t

a

pacitance meas

u

00 nF, 20.00 nF,

2

range with the

l

ead to the “COM”

s

to the capacitor

t

pears on the displ

p

acitors, the mete

e

n measuring low

c

p

robes together to

h

is value from th

e

3

o

de (negative); co

e

.

ard voltage drop.

y

s “1”.

m

ight produce fau

u

it.

forward bias rea

d

a

n vary dependin

g

a

ge to the instrum

e

o

ltage capacitors

b

a live circuit.

socket and the r

e

m

ponent under te

s

50 , the buzzer

y

ed. If the measu

r

a

n open circuit, t

h

a

ge to the instrum

e

o

ltage capacitors

b

t

ion to confirm th

a

u

rements on liv

e

2

00.0 nF, 2.000 µ

F

rotary switch.

socket and the r

e

t

o measure.

ay.

r needs a few sec

o

c

apacitance value

s

determine the ca

p

e

measured value

o

©Velleman

n

nnect the red test

If the probe

lty results.

d

ing of 0.5 V to

g

on the

r

esistanc

e

e

nt, disconnect th

b

efore testing the

e

d test lead to the

s

t.

sounds

r

ed resistance

h

e display shows

e

nt, disconnect th

b

efore measuring

a

t the capacito

r

s a

e

circuits.

F

, 100.0 µF.

e

d test lead to the

o

nds to stabilize t

h

s

(< 2 nF), first

p

acitance value o

f

o

f the circuit.

n

v

e

e

e

re

h

e

f

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