REG-250 by OnBalance, 200g / 0.01g and 250g / 0.1g combined Electronic Gem Testers go through your scrap /

go through your scrap / jewellery

It's not diamond and not Moissanite

choice of two weighing ranges

officially "up to 3000 tests") and customers reported that they would last anywhere from 6 weeks to 18 months

REG-250 by OnBalance, 200g / 0.01g and 250g / 0.1g combined Electronic Gem Testers go through your scrap /Summary Pocket balance (for a large pocket) Model: REG 250 by OnBalance Suitable for weighing very lightweight items such as gemstones (weighs down to 0. 01g) AND gold (also weighs down to 0. 1g) AND silver up to 250g = about 8oz). Weighs up to 200g in 0. 01g increments, or up to 250g in 0. 1g increments. Altogether the most 'flexible' balance and the best designed. Download instruction manual. To read an article about weighing and weighing machines