27
5.0 Maintenan
c
e
Provided it i
s
u
s
ed in accordance with the In
s
truction Manual, the
in
s
trument need
s
no
s
pecial maintenance. If it
s
hould
b
ecome
s
oiled in the cour
s
e of daily u
s
e, it may
b
e cleaned with a damp
cloth and a little mild hou
s
ehold detergent.
Never u
s
e aggre
ss
ive cleaner
s
, or
s
olvent
s
.
To maintain accuracy, the in
s
trument mu
s
t regularly cali
b
rated
b
y
our
S
ervice Department. We recommend annual cali
b
ration.
5.1 Changing the battery
If the
s
ym
b
ol “ “ appear
s
in the upper left corner of the
di
s
play, the
b
attery mu
s
t
b
e changed.
Clamp Adapter CHB 10
LED “Low Battery“ give
s
light.
Thi
s
i
s
carried out a
s
follow
s
:
1.
S
eparate the
Clamp Meters
from any circuit, and remove the
te
s
t lead
s
.
2.
S
witch the in
s
trument off.
3. Open the cover
b
y removing the
s
crew on the rear face.
4. Remove the old
b
attery.
5. Fit new
b
atterie
s
(type 1,5
V
IEC LR03), taking care that the
polarity i
s
correct. Make
s
ure that no wire
s
are trapped
b
etween
the cover, and clo
s
e it again.
6. The in
s
trument i
s
now ready for further u
s
e.
Please think of our environment when you dispose of your used
batteries. They belong in a rubbish damp or a retuse collection
place for hazardous waste.
Plea
s
e, comply with the appropriate regulation
s
concerning
the return, recycling and di
s
po
s
al of u
s
ed
b
atterie
s
.
ATTENTION
!
If the in
s
trument i
s
likely to remain unu
s
ed for a long period,
the
b
attery mu
s
t
b
e removed. If a
b
attery
s
hould leak in
s
ide
the hou
s
ing, return the in
s
trument to our work
s
for cleaning
and checking.
PTDB93468-05.qxd 14.12.2005 9:41 Uhr Seite 27