Velleman DVM840 Bedienungsanleitung Seite 6

Pollution No pollution or on
degree 1 no influence (only
Pollution Only nonconductiv
degree 2 caused by condens
fall under this cate
Pollution Conductive pollutio
degree 3 becomes conductiv
environments and
with precipitation)
Pollution The pollution gene
degree 4 or by rain or snow.
where high humidi
Warning:
This devic e was designed in a
implies th at certain restrictio
occur with hin the environmen
Th his device is only su
e nvironments.
6. Ma aintenance / b
W WARNING: To avoid
o pening case. To pre
R emark: refer to the
D Do not replace inter
by y identical ones wit
te est probes at your d
Sw witch off the meter
fu uses.
a. Genera l maintenance:
•
Wipe th he device regularly w
or abras sive products.
b. Battery y replacement
•
Replace e the battery as soo
batterie es can produce false
•
Switch o off the multi‐meter
•
Remove e test probes from t
input ja cks.
•
Release e the screw at the b
compar rtment.
•
Replace e the battery (9V 6L
the righ ht polarity.
•
Close th he battery compartm
c. Fuse rep placement
•
The fuse e rarely needs to be
human error.
•
Switch o off the multi‐meter
•
Remove e test probes from t
input ja cks.
•
Release e the screw at the b
18.10.201 0
DVM840
ly dry, nonconducti
to be found in herm
ve pollution occurs.
sation is to be expe
egory).
on occurs, or dry no
ve due to condensa
environments expo
).
erates persistent co
. (exposed outdoor
ity levels or high co
accordance with EN
ons in use apply that
t of use. Refer to th
uitable for measure
battery and fu
electrical shock alw
event fire, install fus
e warning on the ba
nal parts yourself. R
th the same specific
dealer.
r and remove test le
with a moist, lint‐fr
on as the " " indic
e readings.
r.
the circuit under te
ack of the meter an
LF22). Do not use re
ment and reseat th
e replaced and a blo
r.
the circuit under te
ack of the meter an
6
ive pollution occurs
metically sealed enc
Occasionally, temp
cted (home and off
onconductive pollut
ation that is to be ex
osed to outside air ‐
nductivity caused b
environments and
oncentrations of fine
61010‐1 pollution
t are related to poll
he table above.
ements in Pollution
use replacem
ways remove the te
ses with AMP/VOLT
ack of the meter
Replace damaged o
cations. Order spare
eads prior to replac
ee cloth. Do not us
cation appears on th
st. Remove all test
nd gently open the
echargeable batterie
e screw.
own fuse is almost a
st. Remove all test
nd gently open the
s. The pollution has
closures).
porary conductivity
fice environments
tion occurs that
xpected (industrial
‐ but not in contact
by conductive dust
environments
e particles occur)
degree 2. This
lution which can
n degree class 2
ent
est leads prior to
T rating as shown.
or lost accessories
e accessories e.g.
ing the battery or
e alcohol, solvents
he display. Low/bad
leads from the
battery
es. Insert following
always caused by a
leads from the
battery
©Velleman n
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