just purchased it http://www.amazon.com/gp/product/B003STEJCU/ref=pd_bbs_sr_1?ie=UTF8&s=home-garden&qid=1216411381&sr=8-1"]Amazon.com: American Weigh DIA20 Digital Carat Scale, 100 by 0.005 CT: Home & Garden
had the same scale, not bad not the best. if it comes with batteries like mine did,disregard said batteries and buy name brand took me about a week to figure that out.i thought i got a faulty scale. will weigh doses of 10mg pretty accurately lower then that not so much.