[meteorite-list] Scales

From: Martin Altmann <altmann_at_meteoritecentral.com>
Date: Thu Jan 12 16:07:08 2006
Message-ID: <006801c617bb$ae61b540$b5bafea9_at_ns279>

Hiho,

and on ebay one finds a lot of digital pocket scales with an acurracy (at
least reads the display like that)
of 0.01g. They are quite affordable with 50-60$, seem to be an important
acessory for potheads.
Range is up to 50grams or 60grams.
I think for a collector it's sufficient. Until one has developped, that one
feels a need to get a more accurate weight for one's 70g Moon or Mars chunk,
it takes a while
and for the cheaper large NWA and Campo-kg chunks, your kitchen scale will
be enough meanwhile.

Cheers!
Martin

----- Original Message -----
From: "Matson, Robert" <ROBERT.D.MATSON_at_saic.com>
To: "Stefan Brandes" <brandes_at_gmx.at>; "Meteorite-list"
<Meteorite-list_at_meteoritecentral.com>; <gary@webbers.com>
Sent: Thursday, January 12, 2006 7:42 PM
Subject: RE: [meteorite-list] Scales


> Hi Gary and Stefan,
>
> I had assumed Gary was talking about scales for measuring
> meteorite mass, but perhaps Stefan's interpretation is
> correct and Gary was looking for photo orientation cubes
> (or something similar).
>
> However, if mass scale is what you meant, there are two
> main issues that affect cost: accuracy and dynamic range.
> I use an Acculab V-200 digital scale that reads out to
> 0.01 grams and has a mass limit of 200 grams. So a dynamic
> range of 20000, or a little more than 14 bits. This is
> actually rather good for a scale that is quite modestly
> priced.
>
> If you need to go heavier than 200 grams, you'll probably
> be satisfied with 0.1-gram accuracy. I'm sure someone
> out there on the list can recommend a good digital scale
> than can weigh up to a couple kilos or more (Acculab
> makes these as well).
>
> --Rob
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Received on Thu 12 Jan 2006 04:03:46 PM PST