
28.04.2010
• The meter
connection
circuited, th
Notes:
• Never pe
capacito
• Measurin
Consider
Transistor te
Do
Use
• Connect th
VmA
ack
• Set the sel
• Determine
emitter, th
the include
• Connect th
probe to th
• The current
• Nota:
• Make su
8. Mainten
WAR
openi
AMP/
Rem
Do n
acces
acces
Switc
batter
a. General m
• Wipe the d
solvents or
b. Battery Re
• Replace the
Low/bad ba
• Remove tes
the input
a
• Switch off t
• Release the
compartme
• Replace the
specificatio
rechar
eabl
• Close the b
ill display the appro
s reversed, the mete
e display shows 0mV
rform diode measure
s are completely disc
diodes that are par
disconnectin
them
t
ot perform transis
the included transi
black test lead to th
.
ction switch to hFE.
hether the transisto
base and the collect
adaptor socket.
test probes to the d
“COM”).
ain hFE is shown o
e to insert the transi
nce / battery a
ING: To avoid elec
n
the device To p
VOLT ratin
shown
rk: refer to the wa
t replace internal pa
ories by identical on
ories e.
. test probe
off the meter and re
or fuses.
inenance:
vice re
ularly with a
brasive products.
placement
battery as soon as t
teries can produce f
t probes from the cir
ks.
e multi-meter.
screw at the back of
t.
battery by 2 new ba
s followin
the indic
e batteries)
ttery compartment a
EVM831
10
imate forward volta
will display “1”; if t
ents on a live circui
ar
ed.
of a circuit mi
ht pr
rom the circuit.
or test on live circ
tor socket.
COM
ack and the r
is of the NPN- or PN
r. Insert the leads in
ptor socket (red pro
the display (base cu
tor in the socket the
nd fuse replace
trical shock remov
event fire, only ins
.
nin
on the back o
ts yourself. Replace
s with the same spe
at your dealer.
move test leads prior
oist, lint-free cloth.
e “ ” indication ap
lse readin
s.
uit under test. Remo
the meter (top) and
teries of the same ty
ted polarity(2x 1.5V
nd ti
hten the screw.
©Velleman n
drop. If the lead
e diode is short-
and make sure all
duce faulty results.
its.
d test lead to the
-type and locate the
o the proper holes in
e to the “+”, black
rrent 10µA, Vce 2,8V
ri
ht way.
ent
test leads before
all fuses with
the meter.
ama
ed or lost
ifications. Order spar
to replacin
the
Do not use alcohol,
pears on the display.
e all test leads from
pen the battery
e and with the same
AA, do not use
.
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