Velleman EVM831 - Manual (Page 9)

28.04.2010
Notes:
• For DC-cu
red test l
• The µA a
F500mA/
fuse.
Resistance m
Do no
• Connect the
jack.
• Set the sele
unknown, a
appropriate
• Connect the
• The measur
Notes:
• Never pe
capacitor
• To increa
tips of th
the test l
• For resist
to stabiliz
• Should th
open circ
Continuity tes
Do no
• Connect the
VΩmA jack
• Set the sele
• Connect the
• When the m
produced an
resistance e
will show “1
Note:
• Never pe
capacitor
Diode test
Do no
• Connect the
VΩmA jack
• Set the sele
• Connect the
the anode, b
urrent measurements
ead, the indicated val
nd mA-ranges are pro
/250V fuse; the 10A ra
measurements
ot perform resistanc
e red test lead to the V
ection switch to the de
lways select the highe
range.
e test probes to the cir
red value appears on t
rform resistance mea
rs are completely disch
ase accuracy when me
e measuring probes t
eads. Subtract this va
tance measurements a
ze the read-out.
he measured resistanc
cuit, the display will sh
st
ot perform continuit
e black test lead to the
.
ection switch to 200
e test leads to the circ
measured resistance is
nd the resistance is sh
exceed the selected ra
”.
rform continuity meas
rs are completely disch
ot perform diode me
e black test lead to the
.
ection switch to 2000
e test leads to the circ
black test probe to the
EVM831
9
s, when a negative pol
lue is preceded by a “
otected against over-c
ange is protected with
ce measurements on
VΩmA jack and the b
esired "Ω” range. Whe
est possible range and
rcuit/component unde
the display.
surements on a live c
harged.
easuring low resistanc
ogether to determine
alue from the measure
above 1MΩ the meter
ce exceed the selected
how “1”.
ty measurements on
e COM jack and the re
.
uit/component under
s less than 50Ω a cont
howed on the display.
ange or in case of an o
surements on a live c
harged.
easurements on live
e COM jack and the re
.
uit/component under
e cathode).
©Velleman nv
larity is present at the
-” sign.
current with a ceramic
h a ceramic F10A/250
n live circuits.
lack lead to the "COM
n the range is
d lower to the
er test.
circuit and make sure
ce values, first hold th
the resistance value
ed value of the circuit
r needs a few seconds
d range or in case of a
n live circuits.
ed test lead to the
test.
tinuous beep is
Should the measured
open circuit, the displa
ircuit and make sure a
e circuits.
ed test lead to the
test (red test probe t
v
e
c
V
M"
all
e
of
t.
s
an
d
ay
all
to