Velleman DVM850BL - OPERATING INSTRUCTIONS; DC VOLTAGE MEASUREMENT; DC CURRENT MEASUREMENT

6
1
2
3
4
6
1
2
3
4
6
1
2
3
6
1
2
3
6
.3. AC
1
. Connec
t
2
. Set the
r
3
. Connec
t
4
. Read th
6
.4. RE
S
1
. Connec
t
(the red
2
. Set the
r
3
. Connec
t
4
. If the r
e
all capa
c
6
.5. DI
O
1
. Connec
t
lead ha
s
2
. Set the
r
3
. Connec
t
the cat
h
If the c
o
6
.6. TR
A
1
. Set the
r
2
. Determ
i
and col
l
panel.
3
. Read th
current
o
VOLTA
G
t
the red t
e
r
otary sw
i
t
the test l
e voltage
S
ISTAN
t
the red t
e
lead has
a
r
otary sw
i
t
the test l
e
sistance
b
c
itors bef
o
O
DE TE
S
t
the red t
e
s
a positiv
e
r
otary sw
i
t
the red t
e
h
ode of th
e
o
nnection
A
NSIST
O
r
otary sw
i
i
ne wheth
e
l
ector lea
d
e approxi
m
o
f 10µA
a
G
E ME
A
e
st lead t
o
i
tch in the
eads to th
value on
t
CE
e
st lead t
o
a
positive
i
tch in the
eads to th
b
eing mea
s
o
re apply
i
S
T
e
st lead t
o
e
polarity
i
tch in the
e
st lead t
o
e
diode. T
h
is revers
e
O
R TE
S
i
tch in the
e
r the tra
n
d
s. Insert
t
m
ate hFE
-
a
nd Vce 3
V
A
SURE
M
o
the "VΩ
m
appropri
a
e source t
t
he LCD
d
o
the "VΩ
m
polarity
"
appropri
a
e resistor
s
ured is c
o
i
ng the te
s
o
"VΩmA
"
"+".).
"" po
s
o
the anod
e
h
e appro
x
e
d, the dis
p
S
T
"hFE" p
o
n
sistor un
d
t
he leads i
n
-
value ob
t
V
.
M
ENT
m
A" jack
a
te ACV
p
o be mea
s
d
isplay.
m
A" jack
"
+").
a
te "Ω" ra
n
to be me
a
o
nnected
t
s
t probes.
"
jack an
d
s
ition.
e
of the d
i
x
. forward
p
lay will
m
o
sition.
d
er testin
g
n
to the pr
o
t
ained un
d
and the b
l
p
osition.
s
ured.
and the b
l
n
ge positi
a
sured an
d
t
o a circu
i
d
the blac
k
i
ode to be
voltage d
r
m
erely sh
o
g
is NPN
o
o
per hole
s
d
er the fol
l
l
ack test l
e
l
ack test l
e
on.
d
read the
L
i
t, turn of
f
k
one to t
h
tested an
d
r
op of the
o
w a "1".
o
r PNP an
d
s
of the h
F
l
owing te
s
e
ad to the
e
ad to the
L
CD dis
p
f
the pow
e
h
e "COM"
d
the blac
k
diode wi
l
d
locate t
h
F
E-socket
s
t conditi
o
"COM" j
"COM" j
p
lay.
e
r and dis
c
jack (the
k
test lea
d
l
l be displ
h
e emitter
on the fr
o
o
ns : a ba
s
ack.
ack
c
harge
red
d
to
ayed.
, base
o
nt
s
e