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<p>[QUOTE="Conder101, post: 2750853, member: 66"]Slight differences in the distance of the XF scanner from the coin might make a difference as well. Slightly closer and it penetrates deeper and reads mostly zinc. The plating is only .0002 of an inch thick. Scanner placement could be critical.</p><p><br /></p><p>Might be an interesting study. Shoot the same object from ever increasing distances and see if the readings change.[/QUOTE]</p><p><br /></p>
[QUOTE="Conder101, post: 2750853, member: 66"]Slight differences in the distance of the XF scanner from the coin might make a difference as well. Slightly closer and it penetrates deeper and reads mostly zinc. The plating is only .0002 of an inch thick. Scanner placement could be critical. Might be an interesting study. Shoot the same object from ever increasing distances and see if the readings change.[/QUOTE]
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