I was weighing pills and tried this setup to improve the scale sensitivity.
See photos here =3D=3D> https://plus.google.com/u/0/photos/1023961762472804=
53443/albums/5882154251101853345?hl=3Den
Max is 5000g says the scale legend.
I put a hinge at one end of a bar and clamped it to a book.
I put a styrofoam cup at the other end of the bar.
I used a marker as a pivot point.   The bar does not touch anything else.

#1  I used the tare function to zero the scale while the cup was at the end=
..
#2  I measured in 9 pills and weighed them. ( 97 grams )
#3  I added all the pills ( 90 ) and weighed them.  ( 969 grams )

969 /97 * 10 =3D .999   That was the best result I had.  My worst was 1.28 =
when I was measuring smaller pills.

What would be sources of error ? =20
#1       the scale     I did not use the calibrate function since I was doi=
ng ratio-metric comparisons.  Maybe cal would have improved things.
#2      pressing on the hinge where it was clamped to the book changed the =
amount measured.  I do not understand this.  I waited for the scale to sett=
le down and it was still showing a reading as much as 5% off.

As Napoleon Dynamite would say...... * You idiot*

Gus                         keywords  99centech  99scale   99pills



--=20
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