Velleman DVM840 - Manual (Page 8)

18.10.201
4. The me
8.2 AC Vo
D
A
K
D
b
1. Connec
"mAVΩ
2. Select t
range is
appropr
3. Connec
4. The me
8.3 DC cu
D
C
u
m
A
K
1. Connec
"mAVΩ
measur
2. Select t
when th
lower to
3. Connec
4. The pol
LCD.
8.4 Meas
D
ca
1. Connec
"mAVΩ
2. Select t
unknow
range.
3. Connec
Remarks :
™ The m
meas
™ The o
0
asured value and th
oltage measurem
Do not measure circ
Always be careful w
Keep your fingers be
Do not touch unused
being tested.
t the black test lead
Ω" jack.
he appropriate V∼
s unknown, always s
riate range.
t the test leads to t
asured value appea
urrent measurem
Do not measure cur
Current measureme
use the 10A jack. Wh
measurement follow
Always be careful w
Keep your fingers be
t the black test lead
" jack for measurem
rements between 20
he A range with
he measuring range
o the appropriate ra
t the test leads IN S
arity of the red test
suring Resistance
Do not perform resis
apacitors are comp
t the black test lead
Ω" jack.
he Ω‐range with th
wn, always select th
t the test leads with
:
meter may need a f
surements in excess
over‐range indicatio
DVM840
8
he polarity of the re
ments
cuits where voltage
hen working with v
ehind the probe bar
d terminals when th
d (‐) to the "COM" j
range with the FUN
select the highest p
the circuit.
ars on the LCD displ
ments
rent in circuits with
ents: mA jack max. 2
hen measuring curr
wed by a 15 minute
hen working with v
ehind the probe bar
d (‐) to the "COM" j
ments of max. 200m
00mA and 10A.
h the FUNCTION sw
e is unknown, alway
ange.
SERIES with the load
t lead and the meas
e
stance measureme
pletely discharged.
d (‐) to the "COM" j
e FUNCTION switch
e highest possible r
h the resistance and
few seconds to prod
s of 1MΩ.
on (“1.”) will appear
ed test lead are disp
es > 600V CAT III ma
voltages above 60Vd
rriers at all times du
he meter is linked t
ack and the red tes
NCTION switch. Whe
possible range and l
lay.
h voltages > 250V
200mA; for measure
rents up to 10A, ma
s break between 2
voltages above 60Vd
rriers at all times du
ack and the red tes
mA or to the "10A" j
witch. For measurem
ys select the highest
d under measurem
sured current are d
ents on live circuits
ack and the red tes
h. When the measu
range and lower to
d read the value fro
duce a stable readin
r on the display if th
©Velleman n
played on the LCD.
ay occur.
dc or 30Vac rms.
uring measurement
o a circuit which is
st lead (+) to the
en the measuring
ower to the
ements up to 10A
ax. 15s continuous
measurements.
dc or 30Vac rms.
uring measurement
st lead (+) to the
jack for
ments < 200mA,
t possible range and
ent.
isplayed on the
and make sure all
st lead (+) to the
ring range is
the appropriate
om the display.
ng for resistance
he input is not
nv
t.
t.
d