Thanks Cal, I'd really like to have a scale that weighed to 100th of a
gram but am definately too cheap to pay the price. In reality weighing
to a 100th of a gram wouldn't make a bit of difference in my modeling.
When I was shopping a few years ago, the only more accurate scales were
priced way, way over my head.
It is comforting though, to hear that it isn't some dastardly problem
with my scale.
LeRoy Cordes
AMA 16974
Chicago, IL
In God We Trust
On Sat, 24 Jan 2009 01:32:07 -0000 "calgoddard" <calgoddard_at_yahoo.com>
writes:
> LeRoy:
>
> I have a relatively expensive Ohaus scale that measures down to
> hundreths of a gram. It cost over $200 when I bought it several
> years
> ago, but it has a nice big platen for holding rubber or plane parts
>
> (entire wings) so I have been happy with it. It plugs into AC power
>
> via a DC power supply.
>
> When I get down to very low weights, I have observed a similar
> situation. E.g. 1/32 spars for a small stab show zero weight
> individually, until you weigh five together, and divide to find
> their
> individual weight.
>
> Someone told me that these digital scales have strain gauges that
> are
> very sensitive to static charge on items being weighed. I am not
> sure
> how that factors in.
>
> I think to measure very low weights you need scales good to 1/1000
> of a
> gram. I have a friend with two such scales at his company. They
> cost
> $2,500 each. These are mostly used in chemistry and pharmacology
> labs.
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>
>
LeRoy Cordes
AMA 16974
Chicago, IL
In God We Trust
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Received on Sun Jan 25 2009 - 21:54:12 CET