
V. 03 – 0
7.4 Me
T
to
T
m
ea
DC voltag
AC voltag
To measu
1. Selec
rotar
2. Conn
“V” s
3. Conn
The
nega
prece
Notes: Th
even with
tips of the
measure
7.5 Me
T
ci
cu
T
at
p
T
U
N
th
fo
The mete
To measu
1. Cut o
2. Disch
3. Selec
4. Conn
“mA”
move
unkn
the r
ideal
5. Brea
6. Conn
the r
/02/2013
suring AC/DC V
avoid electrical s
measure voltage
avoid electrical s
re than 1000 VD
rth ground.
measuring rang
measuring rang
e AC or DC volta
the appropriate
switch.
ct the black test
cket.
ct the test probe
easured value ap
ive polarity is pre
ded by a “–” sign.
e displayed value
ut input or witho
test probes toget
gain.
suring AC/DC C
avoid electrical s
cuit power and di
rrent.
avoid damage to
empt an in-circui
tential to earth is
avoid damage to
e the proper ter
ver place the tes
leads are plugg
longer than 15
’s ranges are: 2.0
e current:
f the power suppl
rge all the high-
the appropriate
ct the black test
socket for measu
the red test lead
wn beforehand,
nge switch in the
resolution is obtai
the circuit path t
ct the black test
d test probe to th
DVM89
9
ltage
ock and/or dam
exceeding 1000
ock and/or dam
or 750 VAC rms
: 200.0 mV, 2.00
: 2.000 V, 20.00
es:
(DC voltage)
ead to the “COM”
in parallel to th
pears on the displ
ent at the red te
may be unstable
t connecting the
her and make sur
rrent
ock and/or dam
charge all high-v
the meter or inju
current measure
higher than 250
the meter, check
inals, function an
probes in paralle
d into the curren
inutes.
00 mA, 20.00 mA
y of the circuit to
oltage capacitors
(DC) or A
ead to the “COM”
ements of max.
to the “10A” sock
onnect the red te
highest range po
ned.
be tested.
robe to the mor
e more positive si
ge to the instrum
DC or 750 VAC r
ge to the instrum
between the CO
0 V, 20.00 V, 200
, 200.0 V, 750 V
or V (AC volta
socket and the r
e circuit under te
ay. For DC meas
t probe, the indic
in the 200 mV
est probes. In thi
the meter displa
ge to the instrum
ltage capacitors
y in case of a fus
ment where the o
.
the meter’s fuse
range for your
with a circuit or
terminals. Do no
, 200.0 mA, 10.0
measure.
AC) range with t
socket and the r
00 mA. For a ma
t. If the current
t lead to the “10
ition. Then reduc
negative side of
de of the break (
©Velleman
nt, do not attem
s.
nt, do not apply
terminal and the
.0 V, 1000 V.
.
e) range with the
d test lead to the
t.
rements: if a
ted value is
and 2 V range
s case, hold the
ys zero; then
nt, disconnect th
efore measuring
blow, never
pen-circuit
efore proceeding
easurement.
omponent when
measure current
A.
e rotary switch.
d test lead to the
imum of 10 A,
o be measured is
” socket and set
gradually until t
he break; connec
onnection
v
t
,
e
.
e
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