Gram Digital
pocket digital scales have 4mode settings,oz-ounces,g-grams,but what does dwt- and ozt- mean?
dwt means "pennyweight", which is a small measure used in gold and jewellery work, if I remember correctly. I don't remember how many dwt there are in an ounce. Sorry, I've never heard of ozt. I suggest you try looking up wikipedia,
en.wikipedia.org/wiki/Main_Page
maybe under "gold measure"; or try googling it; or try ...
Don't worry. I just typed "pennyweight" into wikipedia and got this:
A pennyweight (dwt) is an obsolete unit of mass which is the same as 24 grains, 1/240th of a troy pound, 1/20th of a troy ounce, approximately 0.055 ounces or approximately 1.555 grams. A penny was literally, as well as monetarily, 1/240th of a troy pound of sterling silver.
So now I'm guessing that ozt means a troy ounce.
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