Velleman DVM893, Руководство пользователя

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V. 03 – 01
3. Conne
probe
The m
conne
Notes:
• Measuri
Conside
• In a circ
0.8 V. H
of other
7.8 Aud
To
cir
co
Ne
To test for
1. Set th
2. Conne
“ Ω ” so
3. Conne
If the
contin
excee
“1”.
7.9 Mea
To
cir
ca
dis
Do
The meter
To measur
1. Select
2. Conne
so
3. Conne
The m
Notes:
• When m
readout
• To incre
hold the
the test
1/02/2013
ect the black test p
e to the anode (pos
meter displays the
ection is reversed,
ing diodes that are
er disconnecting th
cuit, a good diode
However, the reve
r pathways betwee
ible Continuity T
o avoid electrical sh
rcuit power and dis
ntinuity.
ever perform con
r continuity:
he rotary switch to
ect the black test l
ocket.
ect the test probes
measured resista
nuously and the re
eds the selected ra
asuring Capacitan
o avoid electrical sh
rcuit power and dis
pacitance. Use the
scharged.
o not perform ca
r’s ranges are: 2.0
re capacitance:
t the appropriate
ect the black test l
ocket.
ect the test probes
measured value ap
measuring bulk cap
t.
ease accuracy whe
e tips of the test p
t leads. Subtract th
DVM893
11
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
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
©Velleman n
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.
nv
e
e
e
re
he
f