Velleman DVM4200 User Manual page 12

capacitors s are completely dep
7.4 Diod de measuremen
Do not perform diod
• Connect th he red test lead to t
jack.
• Set the ro tary switch to
• Press the SELECT button to s
• Connect th he red test probe to
the cathod de.
• The meter r shows the forward
connected d with a reversed po
Notes:
o Never p perform diode meas
capacito ors are completely d
o Measuri ng diodes that are
Conside er unmounting from
7.5 Capa acitance measu
Do not perform capa
• Connect th he red test lead to t
jack.
• Set the ro tary switch to
• Press the RANGE button to m
• Connect th he test probes to th
Notes:
o It takes a few seconds befo
behavio or.
o To incre ease accuracy when
hold the e tips of the measur
value of f the test leads. Sub
circuit.
o Never p perform capacitance
capacito ors are completely d
7.6 Freq quency measure
Do not perform freq
100 00V.
Alw ways be careful whe
Kee ep your fingers beh
me asurement. Do not
circ cuit which is being t
• Connect th he red test lead to t
jack.
• Set the ro tary switch to Hz.
• Press the RANGE button to m
• Connect th he test probes to th
Note:
o Use a sh hielded cable for m
22.04.2011
DVM4200
pleted.
nts
de measurements
the "VΩ " jack a
Ω .
select diode test
o the anode of the d
d voltage drop of th
olarity, the display s
surements on a live
depleted.
part of a circuit mig
m the circuit.
urements
acitance measure
the "VΩ " jack a
.
manually select the
he capacitor and rea
ore the meter show
n measuring low cap
ring probes togethe
btract this value fro
e measurements on
depleted.
ements
uency measurem
en working with volt
ind the probe barrie
touch unused term
tested.
the "VΩ " jack a
manually select the
he circuit and read t
easuring small sign
12
on live circuits.
and the black lead t
.
diode and the black
e diode. When the
shows "OL".
circuit and make s
ght produce faulty r
ments on live circ
and the black lead t
range.
ad its value from th
ws the result. This is
pacitance values (<
er to determine the
om the measured va
a live circuit and m
ments in circuits w
tages above 60Vdc
ers at all times duri
minals when the met
and the black lead t
range.
the measured value
nals in a noisy envir
to the "COM"
k test probe to
diode is
ure all
results.
cuits.
to the "COM"
he display.
s normal
<660nF), first
capacitance
alue of the
make sure all
with voltages >
or 30Vac rms.
ing
ter is linked to a
to the "COM"
e from the LCD.
ronment.
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