A&D GF-2002A - Guidelines for Accurate Weighing During Use

10
How to adjust the bubble spirit level
2-3 During Use
To acquire accurate weighing data, note the following:
□ Discharge static electricity from the material to be weighed. When a
sample could have a static charge, the weighing data is influenced. If
the ambient humidity becomes 45% or less, insulators such as
plastics are liable to become static electricity. Ground the balance
and try the following.
Eliminate the static electricity by GXA-25, AD-1683 as an accessory.
Or try to keep highly the ambient humidity
Or use a metal shield case.
Or wipe a charged plastic sample with the wet cloth.
□ The breeze break (1mg models only) and the clear main unit
cover are provided as accessories. The breeze break
components may be charged with static electricity when they
are unpacked or when the humidity is low. If the weighing value
is unstable or the balance has a problem with repeatability,
remove the breeze break. Or wipe the clear plates with a
moistened cloth, use an accessory DC static eliminator, GXA-25,
AD-1683 or apply an anti-static spray.
□ This balance uses a strong magnet as part of the balance
assembly, so please use caution when weighing magnetic
materials such as iron. If there is a problem, use the
underhook on the bottom of the balance to suspend the
material away from the influence of the magnet.
Red circle
Bubble
Bubble
spirit level
OK NG
Up
Leveling
foot
Down
Down
Leveling foot
Up
Wh
en
th
e
b
u
bbl
es
i
s o
ff
t
o
th
e
l
e
ft
.
Turn the leveling foot on the front right
in the clockwise direction.
Wh
en
th
e
b
u
bbl
es
i
s o
ff
t
o
th
e r
i
g
ht
.
Turn the leveling foot on the front right
in the clockwise direction.
Wh
en
th
e
b
u
bbl
es
i
s o
ff
t
o
th
e
b
ac
k
war
d
position.
Turn both leveling feet on the front in the clockwise
direction at the same time.
Wh
en
th
e
b
u
bbl
es
i
s o
ff
t
o
th
e
f
orwar
d
position.
Turn both leveling feet on the front in the clockwise
direction at the same time.
Metal case
The Charged
sample
Ground
Magnetic
material