Velleman DVM870 - Page 4

04.02.2010
3. Sa
f
4. Ov
e
DMMs ar
e
overvolta
g
bursts of
power lin
e
The existi
CAT I
A
e
e
CAT II
A
e
t
e
C
a
CAT III
A
C
m
f
d
o
f
ety Instruct
WARNING: To
a
leads prior to o
p
only use batteri
e
this manual.
Remark: refer
t
For indoor use o
splashing and d
r
Keep the device
Risk of electri
c
measuring live
c
There are no us
e
Refer to an auth
This is an inst
a
instrument. N
e
environment. R
e
e
rvoltage/i
n
e
categorized de
p
g
e that might oc
energy induced i
e
.
ng categories a
c
A
CAT I-rated m
e
e
lectronic circuit
s
e
.g. electronics
c
A
CAT II-rated
m
e
nvironments an
t
he mains by me
e
nvironment, pr
o
C
AT III- or 20m
a
a
ppliances, port
a
A
CAT III-rated
m
C
AT II-environm
e
m
ono- or poly-p
h
f
rom of a CAT IV
d
istribution level
o
vens).
DVM87
0
4
ions
a
void electrical s
p
ening the housi
n
e
s and fuses wit
h
t
o the warning o
n
nly. Keep this d
e
r
ipping liquids.
away from child
c
shock during
o
c
ircuits.
er
-serviceable p
a
orized dealer fo
r
a
llation catego
r
e
ver use this eq
u
e
fer to §4 Over
v
n
stallation c
a
p
ending on the ri
cur at the point
o
n a system, e.g.
c
cording EN 610
1
e
ter is suitable f
o
s
that are not di
r
c
ircuits, control s
i
m
eter is suitable
f
d mono-phase a
p
ans of a plug an
d
o
vided that the c
a
part from a CA
T
a
ble tools…
m
eter is suitable
e
nts, as well as
f
h
ased appliances
-environment, a
n
equipment (fus
e
0
hock always di
s
n
g.
T
o prevent d
a
h
the same ratin
g
n
the battery co
m
e
vice away from
ren and unautho
o
peration. Be v
e
a
rts inside the d
e
r
service and/or
s
r
y CAT II meas
u
u
ipment in a CA
T
v
oltage/install
a
a
tegory
sk and severity
o
o
f test. Transien
t
caused by light
n
1
0-1 are:
o
r measurement
s
r
ectly connected
t
i
gnals…
f
or measuremen
t
p
pliances that a
r
d
circuits in a no
r
ircuit is at least
1
T
IV-environmen
t
for measureme
n
f
or measuremen
t
which are at le
a
n
d for measure
m
e
boxes, lighting
Rev.
0
©Velleman
s
connect the test
a
mage or injury,
g
s as specified in
m
partment [10].
rain, moisture,
rised users.
e
ry careful when
e
vice.
s
pare parts.
u
ring
T
III or CAT IV
a
tion category.
o
f transient
t
s are short-live
d
n
ing strike on a
s
on protected
t
o mains power,
t
s in CAT I-
r
e connected to
r
mal domestic
1
0m apart from
a
t
. E.g. househol
d
n
ts in CAT I- and
t
s on (fixed)
a
st 10m apart
m
ents in or on
circuits, electric
0
1
nv
d
a
d