A&D Weighing EW-12Ki - Manual (Page 13)

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8. After setting the unit weight at step 6, add a few more samples on the pan. Then,
the ACAI mark will turn on. (Add more than three pieces. The mark will not turn on
for the number of samples beyond the ACAI range.)
9. The ACAI mark will blink and the balance re-calculates the unit weight. Do not touch
the balance or samples on the pan until the ACAI mark turns off.
10. Counting accuracy is improved when the ACAI mark turns off. Each time the above
operation is performed, a more accurate unit weight will be obtained. There is no
definite upper limit of ACAI range for the number of samples exceeding 100. Try to
add the similar number of samples as displayed.
5-8. Percent mode (%)
Displays the weighing value in percentage compared to the reference (100%) weight.
Selecting the percent mode
1. Press the MODE key to select %. (%:percent)
Storing the reference (100%) weight
2. Press the SAMPLE key to enter the
reference weight storing mode.
3. Press the RE-ZERO key to display 100 0%.
4. Place the sample to be set as the reference
weight on the pan.
5. Press the PRINT key to store the reference
weight. Remove the sample.
‰ When the reference weight is too light, the
display shows lo for a moment and
returns to the former display.
Reading the percentage
6. Place the object to be compared to the
reference weight on the pan. The displayed
percentage is based on 100% of the reference
weight.
To store
Object to be
compared
0.0
%
100 -
%
100.0
%
75.8
%
100 0
%
ZERO
Weighing pan
Sample corresponding
to the 100% weight