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While shopping for a few items at Office Depot, I came across the Salter Bricknell PB-500. A compact (5″ x 3″ x 1″) yet accurate scale at a decent price had eluded me for a while, but no more. The PB-500 lists for $150, but Office Depot had them for $69.99. Their website, however, doesn’t list it.
Using a 4-lb set of U.S. Standard calibrated weights, I put together the following chart:
[img width=566 height=640]http://img219.imageshack.us/img219/7311/salterbrecknellpb500accwv9.jpg[/img]
(click on image for a better view)Since I don’t have calibrated weights for the other units, I used conversion factors from EasyCalculation to check gm, ozt, & dwt accuracy.
The PB-500 can be calibrated using a 200 gm standard weight. Note that the 7 oz (198.4 gm), which is highlighted in light green, is dead on for 3 of the four units of measure.
A maximum error of -0.025 oz for $70!
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