






⚡ Unlock the true value of your gold—precision meets portability!
The MDJ-300K Digital Electronic Gold Purity Tester delivers lab-grade accuracy with 0.01g weighing precision and 0.001g/cm³ density resolution. Designed for gold, silver, platinum, palladium, and K gold, it offers non-destructive testing with instant digital readouts. Its rechargeable battery and portable design make it ideal for jewelers, pawnshops, and precious metal professionals seeking reliable, on-the-go purity analysis.
| Best Sellers Rank | #1,398,577 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #409 in Jewelry Gold Testers |
ترست بايلوت
منذ أسبوع
منذ أسبوعين