Velleman EVM851 - Manual (Page 8)

16.04.201
10.3 AC
D
U
A
1. Conn
2. Set
t
3. Conn
4. Read
10.4 RE
D
a
1. Conn
has a
2. Set t
3. Conn
4. If the
capac
10.5 DI
D
t
1. Conn
posit
2. Set t
3. Conn
catho
conn
10.6 TR
D
a
1. Conn
2. Set t
3. Dete
collec
4. Conn
of the
5. The d
3V.
10.7 AU
D
t
1. Conn
2. Set
t
3. Conn
will s
11. Bat
• When"
0
C VOLTAGE M
Do not measure
Use extreme ca
Always place yo
nect the red test
the rotary switch
nect the test lea
d the voltage va
ESISTANCE
Do not conduct
are depleted.
nect the red test
a positive polari
the rotary switch
nect the test lea
e resistance bei
citors before ap
IODE TEST
Do not conduct
the circuit are d
nect the red test
tive polarity "+"
the rotary switch
nect the red test
ode of the diode
ection is revers
RANSISTOR T
Do not conduct
adaptor socket.
nect the black te
the rotary switch
rmine whether
ctor. Insert the
nect the black te
e transistor soc
display will show
UDIBLE CON
Do not conduct
the circuit are d
nect the red test
the range switch
nect the test lea
sound.
ttery & fuse
WARNING: T
housing. To p
manual.
Remark: refe
There are no
Refer to an au
Disconnect th
terminals befo
" is display
MEASUREME
e circuits that m
ution when mea
our fingers behin
t lead to the "VΩ
h in the appropr
ds to the source
lue on the LCD
resistance mea
t lead to the "VΩ
ty "+").
h in the appropr
ds to the resisto
ng measured is
pplying the test
diode- or contin
depleted.
t lead to "VΩmA
.).
h in the " " p
t lead to the ano
e. The approx. f
ed, the display
TEST
transistor meas
est lead (-) to th
h in the "hFE" p
the transistor is
leads into the p
est lead (-) to th
ket.
w the approxima
TINUITY TES
diode- or contin
depleted.
t lead to "VΩmA
h in the " " po
ds to two points
e Replacem
To avoid electric
revent fire haza
er to the warnin
user-serviceable
uthorized dealer
e test leads from
ore replacing th
yed, the battery
EVM8
8
NT
may contain volta
asuring voltages
nd the protectiv
ΩmA" jack and
riate ACV positi
e to be measure
display.
surements on li
ΩmA" jack and
riate "Ω" range
or to be measur
connected to a
probes.
nuity measurem
A" jack and the
position.
ode of the diode
forward voltage
will merely show
surements on liv
he "COM" jack a
position.
s of the NPN- or
proper holes in t
he "COM" termi
ate hFE-value a
ST
nuity measurem
A" and the black
osition.
s of the circuit t
ment
cal shock alway
ards, only use fu
g on the battery
e parts inside th
r for service and
m the test point
e batteries or fu
y should be repla
851
ages > 600V
s higher than 60
ve edges of the
the black test le
on.
ed.
ive circuits. Mak
the black test le
position.
red and read th
a circuit, turn off
ments on live cir
black one to the
e to be tested a
drop of the dio
w a "1".
ve circuits. For
and the red test
r PNP-type and
the included tra
nal and the red
at the moment o
ments on live cir
k one to "COM".
to be tested. If
ys disconnect th
uses with the sa
y compartment
he device.
d/or spare parts
ts and remove t
uses.
aced.
0Vdc or 30Vac r
test probes whi
ead to the "COM
ke sure all capa
ead to the "COM
e LCD display.
f the power and
rcuits. Make sur
e "COM" jack (t
and the black tes
de will be displa
transistor test u
t lead (+) to the
locate the emitt
ansistor socket.
test lead (+) to
of testing. Base
rcuits. Make sur
continuity exist
he test leads pri
ame ratings as s
s.
the test leads fr
©Vellema
rms.
le measuring!
M" jack.
citors in the circ
M" jack (the red
d discharge all
e all capacitors
he red lead has
st lead to the
ayed. If the
use the included
e "mA" jack.
ter, the base an
o the other term
current 10µA, V
e all capacitors
s, the built-in b
or to opening th
specified in this
rom the measur
an nv
cuit
lead
in
s a
d
nd the
minal
Vce
in
buzzer
he
ring