Velleman DCM270 Bruksanvisning
Velleman
Multimeter
DCM270
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Sida 1/3
Inf
o
Vellem
a
1.
2.
3.
4.
o
rmatio
n
a
n
®
Safet
y
Symbol
s
Overvol
t
Pollutio
n
General
1. Sy
m
This
Not
r
deat
h
This
A ha
z
cond
This
Risk
or d
e
This
Igno
AC (
A
DC (
Both
Dou
b
Eart
h
Fuse
Cap
a
Diod
e
Cont
n
sheet
y
info
r
s
used on
t
a
g
e/inst
a
n
de
g
ree
m
bols u
symbol i
n
r
eading th
e
h
.
symbol i
n
z
ardous
ition or ac
t
symbol i
n
of a hazar
d
e
ath
symbol i
n
ring this in
f
A
lternating
Direct Cur
r
AC and D
C
b
le insulati
o
h
a
citor
e
inuity
r
matio
(
DVMs a
n
a
llation c
a
s
ed on
n
dicates:
R
e
instructio
n
n
dicates:
D
t
ion that m
a
n
dicates:
R
d
ous condi
t
n
dicates:
A
f
ormation
c
Current)
r
ent)
C
o
n (class II
1/3
n for
D
(
DVMs
n
d in ma
n
a
te
g
ories
DVMs
a
R
ead inst
r
n
s and ma
n
D
anger
a
y result i
n
R
isk of da
n
t
ion or acti
o
A
ttention;
c
an lead to
-protectio
n
D
igital
)
n
uals
a
nd in
m
r
uctions
n
ual can le
a
n
injury or
d
n
ger/da
m
o
n that ma
y
importa
n
hazardou
s
n
)
L
a
Volt
M
m
anual
a
d to dam
a
d
eath
m
age
y
result in
n
t informa
t
situations
a
st update: 31/
0
M
eters
s
ge, injury
o
damage, i
n
t
ion
.
0
3/2010
o
r
n
jury
Information sheet
Velleman® 2/3 Last update: 31/03/2010
2. Overvoltage/installation categories
DVMs are categorized depending on the risk and severity of transient overvoltage that
might occur at the point of test. Transients are short-lived burst of energy induced in
a system, e.g. caused by lightning strike on a power line.
On high-energy circuits this leads to hazardous situations as these circuits might
provide enough current to feed an arc-over resulting in a plasma breakdown or even
explosion.
Higher CAT-identification refers to electrical environments with higher power and
possibly higher energy transients.
A CAT I-rated meter
is suitable for
measurements on
protected electronic
circuits that are not
directly connected to
mains power, e.g.
electronics circuits,
control signals…
A CAT II-rated meter
is suitable for
measurements in
CAT I-environments
and mono-phase
appliances that are
connected to the
mains by means of a
plug and circuits in a
normal domestic
environment,
provided that the
circuit is at least
10m apart from a
CAT III- or 20m
apart from a CAT IV-
environment. E.g.
household
appliances, portable
tools…
A CAT III-rated
meter is suitable for
measurements in
CAT I- and CAT II-
environments, as
well as for
measurements on
(fixed) mono- or
poly-phased
appliances which are
at least 10m apart
from of a CAT IV-
environment, and for
measurements in or
on distribution level
equipment (fuse
boxes, lighting
circuits, electric
ovens).
A CAT IV-rated
meter is suitable for
measuring in CAT I-,
CAT II- and CAT III-
environments as well
as on the primary
supply level.
Note that for all
measurements on
equipment for which
the supply cables
run outdoors (either
overhead or
underground) a CAT
IV meter must be
used.
Inf
o
Vellem
a
IEC 6
prote
c
more
certai
The p
be us
e
Pollut
Pollut
Pollut
Pollut
•
D
f
u
•
D
m
•
W
o
w
•
N
/
•
C
>
p
o
•
A
l
e
d
•
A
•
O
t
h
•
C
l
o
•
D
o
rmatio
n
a
n
®
3. Pol
l
1010-1 sp
e
c
tive meas
u
protection
,
n environ
m
ollution de
g
e
d.
ion degree
ion degree
ion degree
ion degree
4. Ge
n
D
isconnect
t
u
nction (ro
t
D
isconnect
t
m
easuring t
W
ARNING:
pening the
w
ith the sa
m
ever conn
e
µA /
C
aution: ri
s
>
10mA, A
C
o
wer.
A
void body
e
ad clamp
…
uring mea
s
A
lways use
O
nly use th
e
h
e same ty
p
alibration
a
o
cal dealer.
D
o not exp
o
n
sheet
ution
d
e
cifies diffe
u
res are n
e
,
and the p
m
ent depen
g
ree rating
1 No poll
u
pollutio
enclosu
2 Only n
o
conduc
t
office e
3 Conduc
that be
c
expect
e
(indust
r
- but n
o
4
T
he pol
conduc
t
environ
high co
n
eral
W
t
he test le
a
t
ary) switc
h
t
he test le
a
erminals b
e
To avoid
e
housing.
T
m
e ratings
a
e
ct a volta
g
mA /
k of electr
o
power lin
e
contact wi
t
…
) while me
a
urement.
the device
e
included
t
p
e and wit
h
a
nd repair
m
o
se the DV
M
d
e
g
ree
rent types
e
cessary to
rotection a
ds mainly
o
of the DV
M
u
tion or on
l
n has no i
n
res)
o
nconducti
v
t
ivity caus
e
nvironmen
t
tive polluti
o
c
omes con
d
e
d.
r
ial enviro
n
o
t in conta
c
lution gen
e
t
ive dust o
r
ments and
ncentratio
n
W
arnin
a
ds from th
h
.
a
ds from th
e
fore repla
c
e
lectrical s
h
T
o prevent
d
a
s specifie
d
g
e source
w
A / Hz / H
f
o
shock wh
e
e
s with ind
u
t
h ground
p
a
suring. M
a
within its
s
t
est leads.
W
h
the same
m
ust be pe
r
M
to extre
m
3/3
of pollutio
n
ensure sa
f
gainst the
o
n the insu
M
indicate
s
l
y dry, non
n
fluence. (
o
v
e pollutio
n
e
d by cond
e
t
s fall und
e
o
n occurs,
d
uctive du
e
n
ments and
c
t with pre
c
e
rates pers
i
r
by rain o
r
environm
e
n
s of fine p
a
g - C
a
e test poin
t
e test poin
t
c
ing the b
a
h
ock alwa
y
d
amage or
d
in this m
a
w
ith the fu
n
e or °C/°F
e
n measuri
n
u
ctive loads
p
otential (e
a
ke sure to
s
pecified ra
W
hen dam
a
specificati
o
r
formed by
m
e temper
a
n
environm
f
ety. Harsh
pollution
w
lation and
s
in which
e
conductive
o
nly to be f
o
occurs. O
c
e
nsation is
e
r this cate
g
or dry non
c
e
to conde
n
environm
e
c
ipitation)
i
stent cond
r
snow. (ex
e
nts where
a
rticles oc
c
a
utio
n
t
s before c
h
t
s and rem
a
tteries/fus
e
y
s disconn
e
injury, onl
a
nual.
n
ction (rota
position.
n
g voltages
and AC po
.
g. metallic
be electric
a
nge.
a
ged, repla
o
ns.
a qualified
a
ture or hu
m
L
a
ents, for
w
er environ
m
w
hich is to
b
the enclos
u
e
nvironme
n
pollution
o
o
und in he
c
casionally
,
to be exp
e
g
ory)
c
onductive
n
sation tha
t
e
nts expos
e
uctivity ca
u
posed out
d
high humi
d
ur)
n
h
anging th
e
ove the te
s
e
s, or serv
e
ct the tes
t
y use batt
e
ry) switch
> 36VDC,
wer lines
w
terminals,
a
lly insulat
e
ce them w
i
technician
m
idity leve
a
st update: 31/
0
w
hich differ
e
m
ents req
u
b
e found in
u
re proper
t
n
t the devi
c
o
ccurs. The
r
metically
s
,
temporar
y
e
cted.(hom
e
pollution
o
t
is to be
e
d to outsi
d
u
sed by
d
oor
d
ity levels
o
e
position
o
s
t leads fro
icing the D
V
leads prio
e
ries and f
u
in Ω /
25VAC, cu
w
ith fluctua
t
output so
c
e
d from gr
o
i
th test lea
d
.
Refer to
y
ls.
0
3/2010
e
nt
u
ire
a
t
ies.
c
e may
s
ealed
y
e
and
o
ccurs
d
e air
o
r
o
f the
m the
V
M.
r
to
u
ses
/
r
rents
t
ing
c
kets,
o
und
d
s of
y
our
Produktspecifikationer
| Varumärke: | Velleman |
| Kategori: | Multimeter |
| Modell: | DCM270 |
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