Velleman DVM831 - Manual (Page 10)

31.03.2010
• The meter w
connection i
circuited, th
Notes:
• Never pe
capacitor
• Measurin
Consider
Transistor tes
Do n
Use
• Connect the
VΩmA jack
• Set the sele
• Determine w
emitter, the
the included
• Connect the
probe to the
• The current
• Nota:
• Make sur
8. Maintena
WARN
openi
AMP/
Rema
Do no
access
access
Switch
battery
a. General ma
• Wipe the de
solvents or a
b. Battery Re
• Replace the
Low/bad bat
• Remove tes
the input jac
• Switch off th
• Release the
compartmen
• Replace the
specification
rechargeabl
• Close the ba
will display the approx
is reversed, the meter
e display shows 0mV.
rform diode measurem
rs are completely disch
g diodes that are part
disconnecting them f
st
not perform transist
the included transis
e black test lead to the
.
ection switch to hFE.
whether the transistor
e base and the collecto
d adaptor socket.
e test probes to the da
e “COM”).
gain hFE is shown on
re to insert the transis
ance / battery a
NING: To avoid elec
ng the device To pr
VOLT rating shown
ark: refer to the war
ot replace internal par
sories by identical one
sories e.g. test probes
h off the meter and re
y or fuses.
ainenance:
evice regularly with a m
abrasive products.
placement
battery as soon as th
tteries can produce fa
t probes from the circ
cks.
he multi-meter.
screw at the back of
nt.
battery by 2 new bat
ns following the indica
e batteries)
attery compartment a
DVM831
10
ximate forward voltage
r will display “1”; if th
.
ments on a live circuit
harged.
t of a circuit might pro
from the circuit.
tor test on live circu
stor socket.
e COM jack and the re
r is of the NPN- or PNP
or. Insert the leads int
aptor socket (red prob
n the display (base cu
stor in the socket the
nd fuse replacem
trical shock remove
revent fire, only inst
.
rning on the back of
rts yourself. Replace d
es with the same spec
s at your dealer.
move test leads prior
moist, lint-free cloth.
he “ ” indication ap
alse readings.
cuit under test. Remov
the meter (top) and o
tteries of the same typ
ated polarity(2x 1.5V A
nd tighten the screw.
©Velleman nv
e drop. If the lead
he diode is short-
t and make sure all
oduce faulty results.
uits.
ed test lead to the
P-type and locate the
to the proper holes in
be to the “+”, black
rrent 10µA, Vce 2,8V)
right way.
ment
e test leads before
tall fuses with
f the meter.
damaged or lost
cifications. Order spare
to replacing the
Do not use alcohol,
pears on the display.
ve all test leads from
open the battery
pe and with the same
AAA, do not use
v
).
e