Velleman DVM850BL Manual Del Usuario página 8

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6.3. AC
6
VOLTAG
1. Connect
1
t the red te
2. Set the r
2
rotary swi
3. Connect
3
t the test l
4. Read th
4
e voltage
6
6.4. RES
SISTAN
1. Connect
1
t the red te
(the red
lead has a
2. Set the r
2
rotary swi
3. Connect
3
t the test l
4. If the re
4
esistance b
all capac
citors befo
6.5. DIO
6
ODE TES
1
1. Connect
t the red te
lead has
s a positive
2
2. Set the r
rotary swi
3. Connect
3
t the red te
the cath
hode of the
If the co
onnection
6.6. TRA
6
ANSISTO
1
1. Set the r
rotary swi
2. Determi
2
ine whethe
and coll
lector lead
panel.
3
3. Read th
e approxim
current o
of 10µA a
GE MEA
ASUREM
est lead to
o the "VΩm
itch in the
appropria
eads to th
e source t
value on t
the LCD d
CE
est lead to
o the "VΩm
a positive
polarity "
itch in the
appropria
eads to th
e resistor
being meas
sured is co
ore applyi
ing the tes
ST
est lead to
o "VΩmA"
e polarity
"+".).
itch in the
"
" pos
est lead to
o the anode
e diode. Th
he approx
is reverse
ed, the disp
OR TES
ST
itch in the
"hFE" po
er the tran
nsistor und
ds. Insert t
the leads in
mate hFE-
-value obt
and Vce 3V
V.
MENT
mA" jack
and the bl
ate ACV p
position.
o be meas
sured.
display.
mA" jack
and the bl
"+").
ate "Ω" ran
nge positi
to be mea
asured and
onnected t
to a circui
st probes.
" jack and
d the black
sition.
e of the di
iode to be
x. forward
voltage dr
play will m
merely sho
osition.
der testing
g is NPN o
nto the pro
oper holes
tained und
der the foll
lack test le
ead to the
lack test le
ead to the
on.
d read the L
LCD disp
it, turn off
f the powe
k one to th
he "COM"
tested and
d the black
rop of the
diode wil
ow a "1".
or PNP and
d locate th
s of the hF
FE-socket
lowing tes
st conditio
"COM" j
ack.
"COM" j
ack
play.
er and disc
charge
jack (the
red
k test lead
d to
ll be displ
ayed.
he emitter
, base
on the fro
ont
ons : a bas
se

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