








⚡ Unlock the true value of your gold in seconds — precision meets portability!
The MDJ-300A Digital Electronic Gold Purity Tester combines ultra-fine HBM sensor technology with Archimedes' principle to deliver rapid, non-destructive gold and precious metal purity analysis. Featuring 0.005g weighing precision and 0.001g/cm³ density accuracy, it supports temperature and solution compensation for reliable on-site or lab use. Its rugged, corrosion-resistant design includes customizable water tanks and dual power modes, making it the ultimate tool for professionals demanding fast, accurate, and portable precious metal testing.
| ASIN | B0G4G24W4X |
| Batteries required | No |
| Item Weight | 7.7 pounds |
| Item model number | ji213d-933324 |
| Manufacturer | LHUITUI |
| Package Dimensions | 3.94 x 3.94 x 3.94 inches |
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