Velleman DVM891 Manual Del Usuario página 7

e. Meas suring Resistan
1. Conne ect the black test
to the e "VΩHz" jack.
2. Selec ct the appropriate
the te est leads with the
Remarks s:
The meter may n T
r resistance measu
T The overrange ind
in nput is not conne
t he max. value of
D Disconnect the cir
are fully discharg a
f. Meas suring Capacita
1. Conn ect the black tes
(+) to o the "mA" jack.
2. Conn ect the test capa
socke et following the in
one o of the 4 input jac
Remarks s: Do not connect
Discharge capa
3. Selec ct the "F" range w
4. Conn ect the black tes
lead ( (+) to the other
5. The d display will show
g. Testi ing Diodes & Co
1. Conne ect the black test
to the e "VΩHz" jack.
2. Selec ct the 200/
test le eads.
3. Conn ect the red test l
catho ode of the diode t
4. For co ontinuity tests: c
circui t to be tested. T
resist tance between th
h. Tran sistor Test (hFE
1. Conn ect the black tes
(+) to o the "mA" jack.
2. Selec ct the hFE-range
3. Deter rmine whether th
the e mitter, the base
holes in the included a
01.10.2009
DVM891
nce
t lead (-) to the "C
e "Ω" range with
e load to be mea
eed a few second
rements in exces
dication ("1.") wi
ected or if the res
f the selected ran
rcuit to be tested
ed before measu
ance
t lead (-) to the
acitor to the "Cx"
ndicated polarity
ks (viz. "10A", "m
t an external volt
citors before con
with the FUNCTIO
t lead (-) to the
terminal of the a
the capacitance
ontinuity
t lead (-) to the "C
ran nge with the FUN
ead to the anode
to be tested.
connect the test l
he incorporated b
he two test leads
E)
t lead (-) to the
with the FUNCTI
he transistor is of
and the collector
adaptor socket.
7
1
COM" jack and th
the FUNCTION s
sured.
ds to produce a s
ss of 1MΩ.
ill appear on the
sistance being m
nge.
d and make sure
uring the in-circui
"COM" jack and t
input connection
. Do NOT connec
mA", "COM" or "V
tage to the input
nnecting them.
ON switch.
"COM" terminal a
adaptor socket.
value.
COM" jack and th
NCTION switch an
e and the black t
leads to two rand
buzzer is activate
is lower than ±
"COM" jack and t
ON switch.
f the NPN- or PNP
r. Insert the lead
he red test lead (+
switch and conne
stable reading fo
display if the
measured exceeds
that all capacito
it resistance.
the red test lead
n on the adaptor
ct the capacitor to
VΩHz" jack).
terminal.
and the red test
he red test lead (+
nd connect the
est lead to the
dom points of the
ed if the
30Ω.
the red test lead
P-type and locate
ds into the proper
©Velleman
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