Velleman DVM893, Руководство пользователя

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V. 03 – 01
7.4 Mea
To
to
To
mo
ea
DC voltage
AC voltage
To measur
1. Select
rotary
2. Conne
“V” so
3. Conne
The m
negat
prece
Notes: Th
even witho
tips of the
measure a
7.5 Mea
To
cir
cu
To
att
po
To
Us
Ne
the
for
The meter
To measur
1. Cut of
2. Discha
3. Select
4. Conne
“mA”
move
unkno
the ra
ideal
5. Break
6. Conne
the re
1/02/2013
asuring AC/DC Vo
o avoid electrical sh
measure voltages
o avoid electrical sh
ore than 1000 VDC
rth ground.
e measuring range
e measuring range
re AC or DC voltag
t the appropriate V
y switch.
ect the black test l
ocket.
ect the test probes
measured value ap
tive polarity is pres
ded by a “–” sign.
e displayed value
out input or withou
test probes toget
again.
asuring AC/DC Cu
o avoid electrical sh
rcuit power and dis
rrent.
o avoid damage to
tempt an in-circuit
otential to earth is
o avoid damage to
se the proper term
ever place the test
e leads are plugge
r longer than 15 m
r’s ranges are: 2.0
re current:
ff the power suppl
arge all the high-v
t the appropriate A
ect the black test l
socket for measur
the red test lead
own beforehand, c
ange switch in the
resolution is obtai
k the circuit path to
ect the black test p
ed test probe to th
DVM893
9
oltage
hock and/or dama
s exceeding 1000 V
hock and/or dama
C or 750 VAC rms
e: 200.0 mV, 2.00
e: 2.000 V, 20.00 V
ges:
V (DC voltage)
lead to the “COM”
s in parallel to th
pears on the displ
sent at the red tes
may be unstable
ut connecting the t
her and make sure
urrent
hock and/or dama
scharge all high-vo
the meter or injur
t current measure
higher than 250 V
the meter, check
minals, function and
t probes in parallel
ed into the current
minutes.
00 mA, 20.00 mA
y of the circuit to
voltage capacitors.
A (DC) or A (
lead to the “COM”
rements of max. 2
to the “10A” socke
connect the red tes
highest range pos
ned.
o be tested.
probe to the more
e more positive si
3
age to the instrume
VDC or 750 VAC rm
age to the instrume
between the COM
0 V, 20.00 V, 200
V, 200.0 V, 750 V
or V (AC voltag
socket and the re
e circuit under tes
ay. For DC measu
st probe, the indica
in the 200 mV
test probes. In thi
e the meter displa
age to the instrume
oltage capacitors b
ry in case of a fuse
ment where the o
V.
the meter’s fuse b
d range for your m
l with a circuit or c
t terminals. Do not
, 200.0 mA, 10.00
measure.
.
(AC) range with th
socket and the re
200 mA. For a max
et. If the current t
st lead to the “10A
sition. Then reduce
e negative side of t
de of the break (c
©Velleman n
ent, do not attemp
ms.
ent, do not apply
M terminal and the
.0 V, 1000 V.
.
ge) range with the
ed test lead to the
st.
urements: if a
ated value is
and 2 V ranges
s case, hold the
ys zero; then
ent, disconnect th
before measuring
e blow, never
pen-circuit
before proceeding
measurement.
component when
t measure current
0 A.
he rotary switch.
ed test lead to the
ximum of 10 A,
to be measured is
A” socket and set
e gradually until th
the break; connect
connection
nv
pt
s,
e
.
he
t