16
AWB 120 Bench Scale User Instructions
3
Operation
3 Operation
This section covers the general weighing procedures you can perform with the
AWB 120:
l
Zeroing the Scale
l
Gross Weighing
l
Net Weighing Using a Tare
l
Checkweighing
l
Accumulation
3.1 Zeroing the Scale
Empty the platform and press the
Zero
key to zero the scale. The display will show
0
weight.
The scale has an automatic zero tracking (AZT) to account for minor drifting or
accumulation of material on the platform. However you may need to press the
Zero
key
to rezero the scale if small amounts of weight are shown when the platform is empty.
3.2 Gross Weighing
To perform a gross weighment, follow these steps:
1.
Press the
Zero
key to zero the scale…
0
is displayed and the
ZERO
annunciator lights on the left side of the
display.
2.
Place the object to be weighed on the scale.
The gross weight is displayed.
3.
Remove the item from the scale.
4.
Repeat steps
1
through
3
for other items to be weighed.
There is a keypad lock function that can be enabled or disabled.
If enabled, after the keypad has not been used for 10 minutes, the keypad will be
locked. When locked, if you press any key, the display will show
k-lck
.
To unlock the keypad, hold the
,
MR
and
Zero
keys for two seconds. The display
will show
Ulck
and the keypad will function normally.
Weight within ±2% of the power up zero value can be zeroed.
