Velleman DVM850BL Manual Del Usuario página 8

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