The value of gold depends on its fineness or carat rating. One of the most common and most effective test methods, if a project is a gold, is it through the use of electronic gold tester. Electronic gold test is just an indicator, a project may or may not be gold, its fineness level may be what. However, when using gold medal testers, you should know how to interpret the electronic test results. The electronic gold tester is getting better, but its operation remains the same. Karat is a term used to measure gold content or purity. Calat is basically a unit of measure of gold purity. The higher the carat, the more pure gold. Look at the previous gold inspection techniques and are still used in their markets including: visual inspection, bite test, magnet test, density test, ceramic plate test, and finally nitric acid test. These have been incorporated into our newly designed gold tester system. It makes work easier and more accurate. The electronic gold test is based on its conduct...