Velleman DVM400 Serie Manual Del Usuario página 11

• Press the e RANGE button to
• Connect the test probes to
• The meas sured value appea
Notes:
• For DC C-measurements, w
the ind dicated value is pre
• When measuring DC offs
select a range for the DC
accura cy.
7.2 Resistance m
Do o not perform re
• Connect the red test lead t
"COM" ja ck.
• Set the r otary switch to "Ω
is shown on the display.
• Press the e RANGE button to
• Connect the test probes to
• The meas sured value appea
• Notes:
o Never perform resistance
capacit tors are completel
o To incr rease accuracy wh
of the measuring probes
leads. Subtract this valu
o For res sistance measurem
stabiliz ze the read-out.
o Should d the measured res
circuit, , the display will sh
7.3 Continuity me
Do o not perform co
• Connect the red test lead t
"COM" ja ck.
• Set the r otary switch to
• Press the e SELECT button to
• Connect the test probes to
• When the e measured resista
and the r resistance value is
resistanc e exceed the curre
show "OL L".
Nota: Neve er perform continu
capacitor rs are completely d
7.4 Diode measur
Do o not perform di
• Connect the red test lead t
"COM" ja ck.
• Set the r otary switch to
• Press the e SELECT button to
27.10.2010
DVM4x0
o manually select t
the source being
ars on the LCD disp
when a negative p
eceded by a "-" sig
set of an AC voltag
C offset equal to o
easurements
esistance measur
to the "VΩ Hz
Ω". When necessary
o manually select t
the source being
ars on the LCD disp
e measurements o
y depleted.
en measuring low
s together to deter
e from the measu
ments above 10MΩ
sistance exceed th
how "OL".
easurements
ontinuity measur
to the "VΩ Hz
.
o select continuity
the source being
ance is less than 4
showed on the di
ent range or in cas
uity measurements
depleted.
rements
ode measureme
to the "VΩ Hz
.
o select diode test
11
0
the range.
measured.
play.
polarity is present
gn.
ge, measure the A
r higher than the A
rements on live c
" jack and the bla
y, press the SELEC
the range.
measured.
play.
on a live circuit an
resistance values
rmine the resistanc
red value of the ci
Ω the meter needs
he current range o
rements on live c
" jack and the bla
test .
measured.
40Ω a continuous b
splay. Should the
se of an open circu
s on a live circuit a
nts on live circui
" jack and the bla
.
at the red test lea
AC voltage first and
AC range to increa
circuits.
ack lead to the
CT button until MΩ
d make sure all
s, first hold the tips
ce value of the tes
ircuit.
a few seconds to
r in case of an ope
circuits.
ack lead to the
beep is produced
measured
uit, the display wil
and make sure all
its.
ack lead to the
©Velleman
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