9
4.2 Calibration
Calibration is an important step to assure the bench scale will accurately
weigh the sample.
Perform calibration operations in the following situations:
•
Changes in the location of use (including moving in the same room).
•
Changes in ambient conditions.
1. Press
“
TARE
”
to zero the scale in the weighing state;
2. Long press the
“
CAL
”
button and
“
--CAL--
”
will be displayed;
3. After that
“
20000
”
(or
“
10000
”
) will be flashing displayed, then place
the calibration weight on the pan ;
4.
“
------
”
will be displayed, then
“
20000
”
(or
“
10000
”
) will be displayed
again;
5. Remove the calibration weight and
“
------
”
will again displayed.
6. The calibration is completed and it will return to the weighing
interface.
