Velleman Dvm851 Bedienungsanleitung Seite 8

10.3 AC C VOLTAGE M
Do not measure D
U Use extreme ca
A Always place yo
1. Conn nect the red test
2. Set t the rotary switch
3. Conn nect the test lea
4. Read d the voltage va
10.4 RE ESISTANCE
Do not conduct D
a are depleted.
1. Conn nect the red test
has a a positive polari
2. Set t the rotary switch
3. Conn nect the test lea
4. If the e resistance bei
capac citors before ap
10.5 DI IODE TEST
Do not conduct D
the circuit are d t
1. Conn nect the red test
posit tive polarity "+"
2. Set t the rotary switch
3. Conn nect the red test
catho ode of the diode
conn ection is revers
10.6 TR RANSISTOR T
D Do not conduct
adaptor socket. a
1. Conn nect the black te
2. Set t the rotary switch
3. Dete rmine whether
collec ctor. Insert the
4. Conn nect the black te
of the e transistor soc
5. The d display will show
3V.
10.7 AU UDIBLE CON
D Do not conduct
the circuit are d t
1. Conn nect the red test
2. Set t the range switch
3. Conn nect the test lea
will s sound.
11. Bat ttery & fuse
WARNING: T
housing. To p
manual.
Remark: refe
There are no
Refer to an au
Disconnect th
terminals befo
• When" " is display
14.12.201 0
MEASUREME NT
e circuits that m may contain volta
ution when mea asuring voltages
our fingers behin nd the protectiv
t lead to the "VΩ ΩmA" jack and
h in the appropr riate ACV positi
ds to the source e to be measure
lue on the LCD display.
resistance mea surements on li
t lead to the "VΩ ΩmA" jack and
ty "+").
h in the appropr riate "Ω" range
ds to the resisto or to be measur
ng measured is connected to a
pplying the test probes.
diode- or contin nuity measurem
depleted.
t lead to "VΩmA A" jack and the
.).
h in the " " p position.
t lead to the ano ode of the diode
e. The approx. f forward voltage
ed, the display will merely show
TEST
transistor meas surements on liv
est lead (-) to th he "COM" jack a
h in the "hFE" p position.
the transistor is s of the NPN- or
leads into the p proper holes in t
est lead (-) to th he "COM" termi
ket.
w the approxima ate hFE-value a
TINUITY TES ST
diode- or contin nuity measurem
depleted.
t lead to "VΩmA A" and the black
h in the " " po osition.
ds to two points s of the circuit t
e Replacem ment
To avoid electric cal shock alway
revent fire haza ards, only use fu
er to the warnin g on the battery
user-serviceable e parts inside th
uthorized dealer r for service and
e test leads from m the test point
ore replacing th e batteries or fu
yed, the battery y should be repla
DVM8 851
ages > 600V
s higher than 60 0Vdc or 30Vac r
ve edges of the
the black test le ead to the "COM
on.
ed.
ive circuits. Mak ke sure all capa
the black test le ead to the "COM
position.
red and read th
a circuit, turn off
ments on live cir rcuits. Make sur
black one to the e "COM" jack (t
e to be tested a and the black tes
drop of the dio
w a "1".
ve circuits. For
and the red test t lead (+) to the
r PNP-type and
the included tra ansistor socket.
nal and the red
at the moment o of testing. Base
ments on live cir rcuits. Make sur
k one to "COM".
to be tested. If
ys disconnect th he test leads pri
uses with the sa ame ratings as s
y compartment
he device.
d/or spare parts s.
ts and remove t the test leads fr
uses.
aced.
8
rms.
test probes whi le measuring!
M" jack.
citors in the circ
M" jack (the red
e LCD display.
f the power and d discharge all
e all capacitors
he red lead has
st lead to the
de will be displa ayed. If the
transistor test u use the included
e "mA" jack.
locate the emitt ter, the base an
test lead (+) to o the other term
current 10µA, V
e all capacitors
continuity exist s, the built-in b
or to opening th
specified in this
rom the measur
cuit
lead
in
s a
d
nd the
minal
Vce
in
buzzer
he
ring
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