From: "Peter P." <plpeter2006@yahoo.com>
Sent: Saturday, December 09, 2006 11:59 AM


> Not so easy. The cart must be weighed first.
...
> Then it
> becomes interesting for a cart that contains 20 items of average weight 
> 1kg and
> one valuable item that weighs 50 grams and is buried in ketchup. What 
> would the
> scale indicate (required accuracy is 0.12% - almost impossible in practice
> normally, but not unthinkable) ?

The tolerance on filling those 1kg food packages is much worse than 0.12% 
even if the scale were accurate enough.

There are expensive items that light at my grocery store; flash memory 
sticks for example. 


-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist