Velleman DVM892 User Manual
Page 6
23.04.2010
This devic
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5. Pol
IEC 61010
protective
more prote
certain env
properties
the device
Pollution
degree 1
Pollution
degree 2
Pollution
degree 3
Pollution
degree 4
Warning:
This device
This implie
can occur
ce is suitable for
cted electronic circ
electronics circuits,
ts which are direct
measurements on
mains by means of
mono-phase applia
normal domestic e
apart from a CAT I
household applianc
rom a distribution
ce is NOT suitab
ges above 600V
urements in/on low
d meter box)
urements on (fixed
CAT IV-environmen
ars, low-voltage d
urements on distri
r boxes and equipm
onment e.g. circuit
cuits using underg
This device is only
environments.
lution degre
0-1 specifies differe
measures are nec
ection, and the pro
vironment depend
. The pollution deg
may be used.
No pollution or o
has no influence
Only nonconduc
conductivity cau
office environme
Conductive pollu
becomes conduc
(industrial envir
but not in conta
The pollution ge
dust or by rain o
environments w
particles occur)
e was designed in
es that certain rest
within the environ
DVM892
6
r measurements
cuits which are not
, control signals, c
tly connected to m
mono-phase appli
f a plug
ances and circuits
nvironment, provi
II- or 20m apart f
ces, portable tools
board …
le for:
w-voltage distribu
d) mono- or poly-
nts (e.g. mains ou
istribution boards
bution equipment
ment/circuits outs
ts in sheds, garde
ground wiring e.g.
y suitable for mea
ee
ent types of pollut
cessary to ensure s
otection against th
s mainly on the in
gree rating of the
only dry, noncondu
e (only to be found
ctive pollution occu
used by condensat
ents fall under this
ution occurs, or dr
ctive due to conde
onments and envi
ct with precipitatio
enerates persistent
or snow. (exposed
where high humidit
accordance with E
trictions in use app
nment of use. Refe
2
up to 600V on:
t directly connecte
circuits behind isola
mains power, but li
ances which are c
directly connected
ded that the circui
from a CAT IV-env
, light circuits at m
tion boards (distri
phased appliances
utlets, electric oven
and circuit breake
and outdoor insta
ide or remote from
n houses and free
garden lighting, p
surements up to 6
tion environments,
safety. Harsher en
he pollution which
nsulation and the e
DVM indicates in w
uctive pollution oc
d in hermetically s
urs. Occasionally, t
ion is to be expect
s category).
ry nonconductive p
ensation that is to
ronments exposed
on).
t conductivity caus
d outdoor environm
y levels or high co
EN 61010-1 pollut
ply that are relate
er to the table abov
rev. 0
©Velleman
ed to mains power
ating transformer…
mited to:
onnected to the
d to the mains in a
it is at least 10m
vironment. E.g.
more than 10m
bution boards
s and circuits in CA
ns, lighting circuits
ers).
allations including
m the domestic
-standing garages
pool-pump...
600V in CAT II
, for which differen
nvironments requir
is to be found in a
enclosure
which environment
ccurs. The pollution
ealed enclosures).
temporary
ted (home and
pollution occurs tha
be expected
d to outside air -
sed by conductive
ments and
oncentrations of fin
tion degree 2.
d to pollution whic
ve.
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nv
r,
…
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