✔[High-Precision Measurement]: Accurately tests gold, silver, platinum & more with 0.01g/0.001g weighing resolution, 0.001g/cm³ density readout, and 0.1% purity accuracy—ideal for jewelers, pawnshops, and collectors. ✔[Digital Display]: This precious metal density meter features HD screen shows weight, density, purity, and karat values at a glance, so you can read results quickly and improve testing efficiency. ✔ [Non-destructive Testing]: This gold purity tester utilizes advanced non-destructive testing methods, No damage to jewelry, collectibles, or artifacts during testing. Preserves item integrity while delivering accurate purity assessments. ✔[Portable]: The built-in rechargeable battery provides Long-lasting power for on-the-go use. No external power needed, perfect for market procurement or trade shows, and prevents data loss from power outages. ✔ [Wide Application]: Multi-Metal Compatibility Works with gold, platinum, karat gold, silver, and palladium. Versatile for jewelers, dealers, pawnshops, and testing agencies.