Velleman DVM4000 - Manual (Page 12)

27.10.2010
• Connect
the catho
• The mete
connecte
Notes:
o Never
capacit
o Measu
Consid
7.5
Do
• Connect
"COM" ja
• Set the r
• Press the
• Connect
Notes:
o It take
behavi
o To incr
the tip
the tes
o Never
capacit
7.6
Do
10
Alw
Ke
me
cir
• Connect
"COM" ja
• Set the r
• Press the
• Connect
Notes:
o The fre
Start t
duty cy
o Use a s
7.7
Do
• Set the r
connecte
• Place the
with “VΩ
the red test probe
ode.
er shows the forwa
d with a reversed
perform diode me
tors are completel
ring diodes that ar
er unmounting fro
Capacitance m
o not perform ca
the red test lead t
ck.
otary switch to .
e RANGE button to
the test probes to
es a few seconds b
or (e.g. 300.0µF r
rease accuracy wh
s of the measuring
st leads. Subtract t
perform capacitan
tors are completel
Frequency me
o not perform fre
000V.
ways be careful w
eep your fingers be
easurement. Do n
rcuit which is being
the red test lead t
ck.
otary switch to Hz
e RANGE button to
the test probes to
equency can also b
he measurement a
ycle.
shielded cable for
Temperature
o not touch any
otary switch to the
d, the current env
e adaptor socket be
Hz ”).
DVM4x0
12
e to the anode of t
ard voltage drop o
polarity, the displ
easurements on a l
y depleted.
re part of a circuit
om the circuit.
measurements
apacitance measu
to the "VΩ Hz
.
o manually select t
the capacitor and
before the meter sh
range >30s).
en measuring low
g probes together
this value from the
nce measurements
y depleted.
easurements
equency measur
hen working with
ehind the probe ba
ot touch unused te
g tested.
to the "VΩ Hz
z.
o manually select t
the circuit and re
be measured durin
and press the HZ
measuring small s
measurement
live parts with th
e °C range. Whe
vironmental tempe
etween the “VΩ
0
he diode and the b
of the diode. When
ay shows “OL”.
live circuit and ma
might produce fa
s
urements on live
" jack and the bla
the range.
d read its value fro
hows the result. T
capacitance value
to determine the
e measured value
s on a live circuit a
rements in circui
voltages above 60
arriers at all times
erminals when the
" jack and the bla
the range.
ad the measured v
ng AC voltage/curr
% button to meas
signals in a noisy e
ts
he temperature
en no temperature
erature is displayed
Hz ” and the “C
©Velleman
black test probe to
the diode is
ake sure all
ulty results.
e circuits.
ack lead to the
om the display.
his is normal
es (<4nF), first ho
capacitance value
of the circuit.
and make sure all
its with voltages
0Vdc or 30Vac rms
s during
e meter is linked to
ack lead to the
value from the LC
rent measurement
sure the frequency
environment.
measuring probe
measuring probe
d.
COM” jack (align “
nv
o
old
of
s >
s.
o a
D.
t.
y or
e.
is
+”