Gold & Platinum Tester GKS300 - 300gr

The GKS-300 Gold & Platinum Tester is a compact and highly accurate precious metal testing device, designed to evaluate gold and platinum purity using specific gravity measurement. By comparing weight in air and weight in water, it provides fast, reliable, and non-destructive results in seconds.

With a measuring range of 0.01 – 300 g, this model is perfect for jewelers, gold buyers, pawnshops, and small workshops handling individual jewelry pieces and smaller quantities of precious metals. The device displays gold purity from K9 to K24 and percentage values, as well as platinum and silver purity, making it a versatile and essential tool.

Key Features:

• Compact Capacity: Measure from 0.01 g up to 300 g.
• Accurate Purity Testing: Displays Gold K9–K24 & % and Platinum/Silver 600–1000 & %.
• Non-Destructive Testing: No chemicals, no scratches, no damage to jewelry.
• Specific Gravity Method: Reliable results using air and water weighing.
• Multi-Function: Works as a precision scale and densimeter.
• Fast Operation: Get results in approximately 20 seconds.

What Can It Detect:

• Verify if the gold or platinum stamp is correct
• Detect lower purity than indicated
• Identify gold-plated items with different internal metals
• Distinguish non-gold and non-platinum materials
• Measure scrap gold and calculate average purity

Technical Specifications:
Model: GKS-300
Measuring Range: 0.01 – 300 g
Minimum Sample Weight: 10 g
Gold Measurement: K9 – K24 / up to 99.9%
Platinum Measurement: Pt600 – Pt1000 / up to 99.9%
Method: Specific gravity (air & water weighing)
Functions: Density measurement, gram scale

Limitations (Important):
This device cannot accurately test:

• Hollow items
• Jewelry containing stones (must be removed before testing)
• Materials with density similar to tungsten

👉 For testing gold bars, the use of an additional device such as a BarScreenSensor is recommended.

How It Works (3 Simple Steps):

• Measure the weight in air
• Measure the weight in water
• Instantly view purity results on the display

⏱️ Full test completed in ~20 seconds

The GKS-300 gold and platinum tester offers a compact, efficient, and highly accurate solution for everyday precious metal testing. Its ease of use, fast results, and non-destructive method make it ideal for jewelers, gold traders, and small workshops who need reliable purity verification without chemicals or damage.