The GOLDMAX XGM 550+ is one of the most reliable gold testing machines on the market. It offers fast and accurate results in a matter of seconds, allowing you to quickly and accurately assess the purity of gold and Silver  samples. It is simple to use, with a built-in user interface and intuitive controls, and comes with a range of safety features for added peace of mind. wide range of detection capabilities from 1% to 99.99% gold and kind of impurities samples, Goldmax 550+ has features to detect all kind of impurities. It is also simple to use and easy to maintain, making it the perfect choice for any gold testing needs.