Electronic Gold Tester

Electronic Gold Tester >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, goldbar, 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 densityis very close to precious metal.