Parts Counting; Percent Weighing - OHAUS AV412 Instruction Manual

EN-18
3.5.2 Parts Counting (Cont.)
Place the specified number of parts on the pan.
Press the Function button to accept. The primary display will
now indicate the number of parts. The weight is shown on the
secondary display.
Pressing the Function button momentarily displays the APW
on the secondary display. The example shows an APW of
2.000g.
Clearing the APW
Press and hold the Mode button until COUNT is shown on the
secondary display.
APW Optimization
The only adjustment for Parts Counting is APW Optimization. APW Optimization is set On or Off
in the Mode menu when Parts Counting is turned On. When APW Optimization is set on, the APW
is automatically optimized. This results in more accurate parts counting. The factory default is On.
When a new APW has been established, APW Optimization occurs when the number of pieces
added to the pan are between one and three times the number already on the pan. The secondary
display will momentarily indicate APW OPT.

3.5.3 Percent Weighing

Use the Percent Weighing Mode to measure the weight of a sample as a percentage of a pre-
established reference weight. Refer to Section 3.3.4 to enable Percent Weighing.
Press and hold the Mode button. When PERCENT displays,
release the button. The primary display shows PERCENT.
If a Reference Weight is stored in memory, the secondary
display shows CLEAR REF? (blinking). Press No to use the
stored reference weight and begin Percent Weighing.
Press Yes to clear the saved Reference Weight.
Establishing a Reference Weight
If no Reference Weight is stored, a Reference Weight must be
established. The secondary display shows PUT SAMPLE. The
current weight is shown on the primary display.
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