Velleman DVM893 - Manual (Page 11)

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