18
4.4.
Calibration Using An External Weight
Calibration procedure
This function calibrates the balance using the calibration weight. (Display example: AD-4212D-301)
Operation
1. Plug in the AC adapter and warm up the balance for 30 minutes or more with
nothing on the pan.
2. Touch the EXC button.
Cal 0
is displayed.
If you want to cancel calibration, touch the CAL button. The
balance will return to the weighing mode.
If you want to change the calibration weight value, press the
SAMPLE button. Touch the RE-ZERO button to select the
weight value, and touch the ENTER button to store it.
Cal 0
1
is displayed.
3. Confirm that there is nothing on the pan and touch the ENTER
button. The balance measures the zero point. Do not allow
vibration or drafts to affect the balance.
The balance displays the calibration weight value.
4. Place a calibration weight, of the weight value displayed, on the
pan and touch the ENTER button. The balance measures the
calibration weight. Do not allow vibration or drafts to affect the
balance.
5. The balance displays
end
. Remove the weight from the pan.
6. The balance will automatically return to the weighing mode.
7. Place the calibration weight on the pan and confirm that calibration
was performed correctly. If not, check the ambient conditions such
as drafts or vibration, and repeat steps 2 through 7.
EXC
ENTER
ENTER