Velleman DVM4200 User Manual page 11

7.1 Volta age measurem
Do not measure circ
CAT T III may reside.
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 V
• Press the SELECT button to c
• Press the RANGE button to m
• Connect th he test probes to th
• The measu ured value appears
Notes:
• For DC- measurements, wh
the indic cated value is prece
• When m measuring DC offset
select a range for the DC o
accuracy y.
7.2 Resi istance measur
Do not perform resis
• Connect th he red test lead to t
jack.
• Set the ro tary switch to "
MΩ is sho wn on the display.
• Press the RANGE button to m
• Connect th he test probes to th
• The measu ured value appears
• Notes:
o Never p perform resistance m
capacito ors are completely d
o To incre ease accuracy when
of the m measuring probes to
leads. S Subtract this value f
o For resis stance measureme
stabilize e the read-out.
o Should t the measured resis
circuit, t the display will sho
7.3 Cont tinuity measure
Do not perform cont
• Connect th he red test lead to t
jack.
• Set the ro tary switch to
• Press the SELECT button to s
• Connect th he test probes to th
• When the measured resistanc
and the re esistance value is sh
resistance exceed the current
show "OL" ".
Note: Never r perform continuity
22.04.2011
DVM4200
ments
cuits where voltag
en working with volt
ind the probe barrie
touch unused term
tested.
the "VΩ " jack a
choose between AC
manually select the
he source being me
on the LCD display
hen a negative pola
eded by a "-" sign.
t of an AC voltage,
offset equal to or hi
rements
stance measurem
the "VΩ " jack a
Ω Ω ". When necessa
manually select the
he source being me
on the LCD display
measurements on a
depleted.
n measuring low res
ogether to determin
from the measured
nts above 10MΩ th
stance exceed the c
w "OL".
ements
tinuity measurem
the "VΩ " jack a
Ω .
select continuity tes
he source being me
ce is less than 30Ω
howed on the displa
t range or in case o
y measurements on
11
ges > 600V CAT IV
tages above 60Vdc
ers at all times duri
minals when the met
and the black lead t
or DC measuremen
range.
asured.
y.
rity is present at th
measure the AC vo
gher than the AC ra
ments on live circu
and the black lead t
ry, press the SELEC
range.
asured.
y.
a live circuit and ma
sistance values, firs
ne the resistance va
value of the circuit
e meter needs a few
urrent range or in c
ments on live circu
and the black lead t
st .
asured.
a continuous beep
ay. Should the mea
of an open circuit, t
n a live circuit and m
V or > 1000V
or 30Vac rms.
ing
ter is linked to a
to the "COM"
nt.
e red test lead,
ltage first and
ange to increase
uits.
to the "COM"
CT button until
ake sure all
st hold the tips
alue of the test
t.
w seconds to
case of an open
uits.
to the "COM"
is produced
sured
he display will
make sure all
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