Electronic Gold Tester Densimeter
Electronic Gold Tester Densimeter
>Precious metal such as as gold, platinum, silver. Mixed Metal or other alloy metal.
>Jewelry materials such as ring, necklace, watchband ,belt fastener, gold ingot ,gold bar, statue, coin, etc.
Notes:
Following products can't be tested:
1.)products of which inside is hollow;
2.)products set with precious stones;
3.)products of which the density is very close to precious metal.