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V1.0 SM2020010426
14
EXCELL PRECISION CO., LTD.
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4. COUNTING FUNCTION
Press the key to enter the counting function. Press the key to return back
to the weighing mode.
(1). Sampling
NOTE:
v The larger the sample size, the more accurate the unit weight. (The minimum sample
weight = 20d)
v A sample size of 10 pieces gives a typical count accuracy of 95%.
v A sample size of 50 pieces gives a typical count accuracy of 98%.
SAMPLE TOO SMALL ( ) ⇒ Sample is less than 20 divisions.
UNIT WEIGHT TOO SMALL ( ) ⇒ Unit weight is less than 1/5 of a division.
Under such conditions, the scale can still work, but may result in lower count
accuracy.
(2). Totalising
Refer to the operation of totalising in the weighing function on page 9.
(3). Check Weighing
Refer to the operation of check weighing function on page 13.
Press the key
to enter the
counting function
Press
Pcs
to choose the
number of desired items in the
sample (10, 20, 50 or 100)
Place the sample on the scale
and press the key
After
the weight is stable
The display shows the number
of items in the sample
6
STABLE
Pcs
6
STABLE
Pcs
Pcs
6
STABLE
Pcs
UNITS
ACTION
DISPLAY
Pcs
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