REG-250 by OnBalance, 200g / 0.01g and 250g / 0.1g combined Electronic Gem Testers - brightest for: 2 hours

- brightest for:  2 hours (1hr at its very brightest then 1hr not quite so bright)

choice of two weighing ranges

go through your scrap / jewellery

Shortwave UV light in a 'safe' box (to stop the light burning your eyes and a longwave UV light and an ordinary white light

yet don't' want to spend more than £20

REG-250 by OnBalance, 200g / 0.01g and 250g / 0.1g combined Electronic Gem Testers - brightest for: 2 hoursSummary 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