Ohaus RANGER ADVANCED COMPACT COUNTING SCALES Manual en - Manual (Page 23)

Counting Ranger RP
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3.2 Counting parts out of a container
1. Place the full container on the scale and press TARE.
The container is tared and the zero display appears.
2. Remove 10 reference parts and press Sample 10.
-or-
Remove the number of pieces display ed above the key Sample Size and press
Sample Size.
The scale determines the average piece weight and then shows the number of
pieces removed, together with a minus sign.
3. Remove more parts from the container until the required number of pieces is
reached.
3.3 Counting with variable reference quantity
Prerequisite
VAr-SPL ON must be set in the menu.
1. Place any number of reference parts on the scale.
2. Enter the number of reference parts
with the numerical keypad and press Sample
Size
The scale determines the average piece weight and then shows the number of
pieces.
The rest of the counting process is as described earlier.
3.4 Counting with minimum accuracy
The item Min.rEFW in the menu allows to preset a minimum accuracy of 97.5 %,
99.0 % or 99.5 %. On the basis of this, the scale calculates the minimum reference
weight necessary to reach the defined accuracy.
1. Place the reference parts on the scale and press
Sample 10 or Sample Size .
2. If the average piece weight is not sufficient to ensure the desired accuracy,
Add x PCS appears.
3. Add the displayed number of pieces.
The scale then automatically determines the average piece weight with the larger
reference quantity.
The rest of the counting process is as described earlier.