Velleman DVM831 Manual Del Usuario página 8

Voltage meas surements
Do no ot measure circuits w
Always s be careful when wor
rms. K Keep your fingers behi
measu urement. Do not touch
to a ci rcuit which is being te
• Connect the e black test lead to the
VΩmA jack .
• For DC volta ages, set the selector
the range is s unknown, always set
appropriate range.
• For AC volta ages, set the selector
the range is s unknown, always set
appropriate range.
• Connect the e test probes with the
• The measur red voltage is shown o
Notes:
• For DC C-measurements: whe
test le ad, the indicated valu
• When the mV range is selec
althou gh the probes are not
norma al and is caused by the
stabiliz ze and give a proper m
Direct curren t measurements
Do not t measure current in c
This d device is only design
not su uitable for alternati
Curren nt measurements VΩm
to 10A A use the 10A jack. W
contin uous measurement fo
measu urements.
Always s be careful when wor
rms. K Keep your fingers beh
measu urement.
• For measu rements up to 200m
jack and the e black lead to the CO
500mA/250 V).
• For measu rements up to 10A:
and the blac ck lead to the COM ja
10A/220V).
• For DC mea surements up to 200m
desired rang ge.
• For DC mea surements up to 10A,
desired rang ge (use the 10A jack)
• When the ra ange is unknown, alwa
to the appro opriate range.
• Connect the e test probes in series
• Read the me easured cuurent from
31.03.2010
DVM831
where voltages > 5
rking with voltages ab
ind the probe barriers
h unused terminals wh
ested.
e COM jack and the re
switch to V in the d
t the highest possible
switch to V in the
t the highest possible
circuit under test.
on the display.
en a negative polarity
ue is preceded by a "-
cted, the display may
t connected to a devic
e high input sensitivity
measurement when co
circuits with voltages
ned for DC current m
ng current measure
mA jack max. 200mA
hen measuring curren
ollowed by a 15 minut
rking with voltages ab
ind the probe barriers
mA: connect the red t
OM jack (protected wit
connect the red test
ck (protected with a c
mA, set the selector s
, set the selector switc
).
ays set the highest po
with the circuit.
the display.
8
00V CAT II
bove 60Vdc or 30Vac
s at all times during
hen the meter is linke
ed test lead to the
desired range. When
range and lower to th
desired range. When
range and lower to th
is present at the red
" sign.
show a varying readin
ce or circuit. This is
y. The reading will
onnected to a circuit.
> 250V
measurements; it is
ements.
A; for measurements u
nts up to 10A, max. 1
tes break between 2
bove 60Vdc or 30Vac
s at all times during
est lead to the VΩmA
th a ceramic fuse
lead to the 10A jack
ceramic fuse
witch to A in the
ch to A in the
ossible range and lowe
©Velleman nv
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