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<p>[QUOTE=&quot;Lev99, post: 4548565, member: 103627&quot;][USER=15199]@desertgem[/USER] Jim actually mine is a mechanical scale. Ohaus 311 balance beam, it’s slower (and much cheaper) but accurate. I thought about electronic but decided against it. My experience has been mixed with Chinese stuff. Cheap stuff is generally made as disposable. The expensive stuff is better but past experiences in industry have pushed me away.&nbsp; </p><p><br /></p><p>When you measure specific gravity for gems/rough on your scale, does yours have a minimum weight needed? My Ohaus 311 can take a kit, but the company discontinued them. From what I read it’s not sensitive for small stuff. Minimum to measure sg is 1.5 grams on Ohaus for a good reading as I understand. -Lev[/QUOTE]</p><p><br /></p>

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