Velleman DVM893 Manual Del Usuario página 11

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3.
Conne
ect the black test p
probe
e to the anode (pos
The m
meter displays the
conne
ection is reversed,
Notes:
• Measuri
ing diodes that are
Conside
er disconnecting th
• In a circ
cuit, a good diode
0.8 V. H
However, the reve
of other
r pathways betwee
7.8
Aud
ible Continuity T
To
o avoid electrical sh
cir
rcuit power and dis
co
ntinuity.
Ne
ever perform con
To test for
r continuity:
1.
Set th
he rotary switch to
2.
Conne
ect the black test l
"Ω" so
ocket.
3.
Conne
ect the test probes
If the
measured resista
contin
nuously and the re
excee
eds the selected ra
"1".
7.9
Mea
asuring Capacitan
To
o avoid electrical sh
cir
rcuit power and dis
ca
pacitance. Use the
dis
scharged.
Do
o not perform ca
The meter
r's ranges are: 2.0
To measur
re capacitance:
1.
Select
t the appropriate
2.
Conne
ect the black test l
so
ocket.
3.
Conne
ect the test probes
The m
measured value ap
Notes:
• When m
measuring bulk cap
readout
t.
• To incre
ease accuracy whe
hold the
e tips of the test p
the test
t leads. Subtract th
V. 03 – 01
1/02/2013
DVM893
probe to the catho
sitive) of the diode
approximate forw
the meter display
e part of a circuit m
hem from the circu
should produce a
rse bias reading ca
en the probe tips.
Test
hock and/or dama
scharge all high-vo
ntinuity tests on
o the
position.
lead to the "COM"
s to the circuit/com
nce is less than ±
esistance is display
ange or in case of a
nce
hock and/or dama
scharge all high-vo
e DC voltage funct
apacitance measu
00 nF, 20.00 nF, 2
range with the
lead to the "COM"
s to the capacitor t
pears on the displ
pacitors, the mete
en measuring low c
probes together to
his value from the
11
3
ode (negative); co
e.
ard voltage drop.
ys "1".
might produce fau
uit.
forward bias read
an vary depending
age to the instrume
oltage capacitors b
a live circuit.
socket and the re
mponent under tes
50 Ω, the buzzer
yed. If the measur
an open circuit, th
age to the instrume
oltage capacitors b
tion to confirm tha
urements on live
200.0 nF, 2.000 µF
rotary switch.
socket and the re
to measure.
ay.
r needs a few seco
capacitance values
determine the cap
e measured value o
nnect the red test
If the probe
lty results.
ding of 0.5 V to
g on the resistance
ent, disconnect th
before testing the
ed test lead to the
st.
sounds
red resistance
he display shows
ent, disconnect th
before measuring
at the capacitors a
e circuits.
F, 100.0 µF.
ed test lead to the
onds to stabilize th
s (< 2 nF), first
pacitance value of
of the circuit.
©Velleman n
e
e
e
re
he
f
nv

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