描述
⚡ Unlock the true value of your precious metals—anytime, anywhere!
- PORTABLE POWERHOUSE - Built-in rechargeable battery keeps you testing on-the-go without interruptions.
 - INSTANT DIGITAL CLARITY - Crystal-clear digital display delivers purity, weight, and K number at a glance.
 - NON DESTRUCTIVE TESTING - Safeguard your precious metals with zero damage during testing.
 - PRECISION YOU CAN TRUST - Ultra-fine 0.001g/cm³ density resolution ensures flawless purity analysis.
 - VERSATILE METAL MASTERY - Accurately tests gold, silver, platinum, palladium, and more for ultimate flexibility.
 
The MDJ-300K Digital Electronic Gold Purity Tester offers ultra-precise, non-destructive testing of gold and other precious metals. Featuring a high-resolution digital display and a rechargeable battery, it delivers instant, accurate purity and density readings with up to 0.001g/cm³ precision. Ideal for jewelers, pawnshops, and precious metal professionals seeking reliable, portable authenticity verification.