Designed specifically for high-precision precious metal testing, the instrument can accurately determine the content of gold, silver, platinum, palladium, and other precious metals. It features built‑in coating identification and alarms for rhenium/tungsten adulteration detection, supports automatic matching of international precious metal grades, and offers easy operation with non‑destructive testing. Suitable for jewelry appraisal, precious metal recycling, refining quality control, and other applications.