Velleman DVM840 - Manual (Page 6)

18.10.201
Pollution
degree 1
Pollution
degree 2
Pollution
degree 3
Pollution
degree 4
Warning:
This devic
implies th
occur with
Th
e
6. Ma
W
o
R
D
by
te
Sw
fu
a. Genera
• Wipe th
or abras
b. Battery
• Replace
batterie
• Switch o
• Remove
input ja
• Release
compar
• Replace
the righ
• Close th
c. Fuse rep
• The fuse
human
• Switch o
• Remove
input ja
• Release
0
No pollution or on
no influence (only
Only nonconductiv
caused by condens
fall under this cate
Conductive pollutio
becomes conductiv
environments and
with precipitation)
The pollution gene
or by rain or snow.
where high humidi
e was designed in a
at certain restrictio
hin the environmen
his device is only su
nvironments.
aintenance / b
WARNING: To avoid
pening case. To pre
emark: refer to the
Do not replace inter
y identical ones wit
est probes at your d
witch off the meter
uses.
l maintenance:
he device regularly w
sive products.
y replacement
e the battery as soo
es can produce false
off the multi‐meter
e test probes from t
cks.
e the screw at the b
rtment.
e the battery (9V 6L
ht polarity.
he battery compartm
placement
e rarely needs to be
error.
off the multi‐meter
e test probes from t
cks.
e the screw at the b
DVM840
6
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
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
©Velleman n
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
nv
t
d