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Overall closed size of 5'"x 6"x 1". Not to exceed 6" x 6"x 1.5". |
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Not more than two
control buttons on each side. An On/Off/Re-zero button and a Unit
button for switching units Carat/ Gram/ Pennyweight etc. |
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An attempt to design the controls as to be so obvious that we won't
need writing or symbols to explain what the buttons do. |
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Dual set of control buttons. A set of buttons on each side of the
scale to accommodate two users. Or alternatively a single "units"
button which is accessible to both sides. |
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Designed for engineering plastics. |
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Be self contained, durable, and portable |
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To accommodate six AA batteries with easy access for changing and with
obvious correct orientation. |
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Dual displays. One to face seller and one to face buyer. I think
there should be an option for deactivating one display if someone wants
to. |
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A pan large enough to accommodate 500 carats of gemstones or 100 grams
of gold or silver. |
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A pan with a low enough profile to keep the unit compact when closed.
Inverting the pan to achieve compactness is an option. |
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A pan not to exceed a diameter of 4". |
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An ambidextrous easy to pour and handle pan design. |
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Provides a draft shield to protect the readings from interfering
breezes and drafts |
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The closed draft shield provides a cover for transporting. |
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The draft shield should also have a position where it is out of the way
of both users when the draft shield is not required. Easy
detachment is an option. |
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Hold and secure without rattling when closed an easily accessible 100
gram weight. |
