Gold Tester - Gold / Platinum / Silver Precious Metal Karat Tester
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| GKS-300 | GKS-3000 |
The Qualitest range of advanced Gold Testers are the ultimate tools for the jewelry industry, gold & precious metal research labs, jewelry stores, banks, and pawn shops for accurate determination of the carat and purity of gold, silver and platinum.
GKS-300 is the basic model, suitable for gold and can measure the carat of gold specimens weighing between 0.001~ 300g.
GKS-3000 is the top of the line model suitable for gold, silver and platinum with extended weight capacity of up to 3,000 g.
GK-series gold testers can quickly, easily and accurately determine purity of precious metals and gold karat by two weighing (By me asuring the Specific Gravity): one with the piece in a water tank, the other normally. An internal computer does all the calculations for you.
- Works only for solid metal pieces without set stones.
- No acid, needles, or test stones needed.
- Leaves no scratches or stains on your gold after measurements.
- Wide karat range—from 9 to 24K.
- Tests other precious metals such as platinum and silver.
- Also functions as a normal gram scale.
- Advanced Model GKS-3000 can measure up to 3,000g, which makes it possible to measure ingots and statues.
- Gold and Platinum measurement modes are available on GKS-3000.
- Minimum specific gravity resolution 0.001 g/cm3 (0.0001 g/cm3), high resolution of the GKS-300 allows to measure minimum 2g samples.
- Purity % and purity K (PT) are displayed at the same time (both GKS-300/GKS-3000).
- GKS-300 comes equipped with wind shield.
| MODEL | GOLD KARAT TESTER GKS-300 | GOLD KARAT TESTER GKS-3000 |
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| MEASURING RANGE | 0.001g (0.0001) - 300g | 0.01(0.001) - 3,000g |
| REPEATABILITY | 0.001g | 10 - 2,100g |
| LINEARITY | ±0.002g (±0.0003g) | ±0.02g (±0.003g) |
| FUNCTION |
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| PURITY READINGS |
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| DISPLAY |
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| WEIGHT / DIMENSIONS | 2.8kg / 260 x 190 x 200mm | 4.2kg / 260 x 240 x 240mm |
| POWER SUPPLY | AC 100 to AC 230V | AC 100 to AC 230V |
| OPTIONS | Compact printer | Printer, Airtight wind shield |
| MODEL | GOLD KARAT TESTER GK-300 |
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| MEASURING RANGE | 0.01~ 300g |
| MEASURABLE RANGE | 5 ~ 300g |
| DISPLAY |
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| WEIGHT / DIMENSIONS | 1.54kg / 218 x 190 x 170mm |
| OPTIONS | Printer AD-8121B, Airtight wind shield |
Comparison between GK-300 and GKS-300
| GK-300 | GKS-300 (upgraded model) | |
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| TEST SAMPLE | Gold mode (measures other metals with chart) | Gold, Platinum, Silver, White Gold |
| Display | Gold K, Density | Gold K, Platinum PT, Silver, White Gold, Density, Purity % |
| MINIMUM | 0.01g and 0.01g/cm3 | 0.001g(0.0001)g and 0.001(0.0001)g/cm3 |
| MIN. SAMPLE WEIGHT | 5g | 2g |
| SG DISPLAY | Fixed | Selectable |
| CALCULATIVE TOLERANCE | Can't be displayed | Will be displayed |
| WIND SHIELD | Extra | Included |
| Ordering Guide | |||
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| Gold Tester Ordering Guide: | GK-300 Gold Tester | GKS-300 Gold Tester | GKS-3000 Gold Tester |
| Price: | $ 1,795.00 US How to Order | $ 2,390.00 US How to Order | $ 2,870.00 US How to Order |
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| Optional Accessories (Please inquire to purchase optional accessories | |||
| GK-005 - Air Tight Wind Shield for GK-300 | $ 295 USD | ||
| GK-014 - Printer for GK-300 | $ 1,010 USD | ||
| EKW-09 - Battery Pack for GK-300 | $ 220 USD | ||
See Also
X-Ray Fluorescence Spectrometer
Qualitest provides jewelers, precious metal industries, research laboratories and quality control departments with a comprehensive range of XRF Spectrometers and Precious Metal analyzers, offering excellent product quality, optimum price/performance ratio and back-up support. Our range of x-ray fluorescence spectrometers are widely used in fields such as plating thickness, precious metals (Au, Ag, Pt, Pd, etc), electronic and electric industries. The model EDX600 is the most popular and entry level system while EDX3000 comes with more advanced features. Model Thick800 is most popular for plating thickness measurements. Our EDX Spectrometers are also applied in commodity inspection, scientific study, and RoHS detection.
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