Velleman DVM893 Bedienungsanleitung Seite 9

7.4 Mea asuring AC/DC Vo
To o avoid electrical sh
to measure voltages
To o avoid electrical sh
mo ore than 1000 VDC
ea rth ground.
DC voltage e measuring range
AC voltage e measuring range
To measur re AC or DC voltag
1. Select t the appropriate V
rotary y switch.
2. Conne ect the black test l
"V" so ocket.
3. Conne ect the test probes
The m measured value ap
negat tive polarity is pres
prece ded by a "–" sign.
Notes: Th e displayed value
even witho out input or withou
tips of the test probes toget
measure a again.
7.5 Mea asuring AC/DC Cu
To o avoid electrical sh
cir rcuit power and dis
cu rrent.
To o avoid damage to
att tempt an in-circuit
po otential to earth is
To o avoid damage to
Us se the proper term
Ne ever place the test
the e leads are plugge
for r longer than 15 m
The meter r's ranges are: 2.0
To measur re current:
1. Cut of ff the power suppl
2. Discha arge all the high-v
3. Select t the appropriate A
4. Conne ect the black test l
"mA" socket for measur
move the red test lead
unkno own beforehand, c
the ra ange switch in the
ideal resolution is obtai
5. Break k the circuit path to
6. Conne ect the black test p
the re ed test probe to th
V. 03 – 01 1/02/2013
DVM893
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
9
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
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
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