Description
Professional XRF Gold & Precious Metals Testing Without the Cost of Buying New
The Thermo Scientific Niton DXL is a dedicated benchtop XRF analyzer designed for jewelers, pawn shops, gold buyers, refiners, and precious metals dealers who need fast, non-destructive precious metals analysis.
This pre-owned Niton DXL gives your business professional XRF testing capability at a significantly lower investment than purchasing a new precious metals analyzer. Test gold, silver, platinum, jewelry, coins, scrap, and other precious metal items in seconds—without acids, filing, scratching, or damaging the item.
Each pre-owned analyzer sold by Alloy Geek is inspected and tested prior to sale so you can put it to work with confidence.
Looking for other cost-effective options? Explore our pre-owned handheld XRF analyzers to compare refurbished and certified instruments available now.
Benefits at a glance
- Professional XRF analysis designed for precious metals
- Test gold, silver, platinum, and other precious metal alloys
- Verify gold purity and karat in seconds
- Non-destructive testing—no scratching, filing, or acids required
- Enclosed benchtop design ideal for retail and countertop use
- Easy-to-use interface for routine precious metals testing
- Pre-owned value without the cost of purchasing new
- Inspected and tested by Alloy Geek prior to sale
Precious Metals Testing
The Niton DXL was developed specifically for precious metals analysis rather than as a general-purpose XRF analyzer.
Place the item inside the enclosed sample chamber, position the area you want to analyze, and start the test. The DXL uses X-ray fluorescence (XRF) to determine the elemental composition of the tested area and displays the results directly on the analyzer.
Common applications include:
- Gold purity and karat verification
- Jewelry analysis
- Silver and silver alloy testing
- Platinum and precious metals analysis
- Coin and bullion evaluation
- Scrap precious metals sorting
- Incoming inventory verification
- Estate and jewelry collection evaluation
- Precious metals purchasing and valuation support
Know what you're buying
When you're purchasing precious metals, a mistake can be expensive.
Hallmarks, visual inspection, acid testing, density, and other traditional methods can provide useful information, but XRF gives you another powerful piece of information: the elemental composition of the material being tested.
For jewelers, pawn shops, gold buyers, and precious-metals dealers, having an XRF analyzer in-house means you can test material as part of your normal buying and evaluation process instead of relying exclusively on external testing or destructive methods.
For businesses regularly buying precious metals, the ability to make more informed purchasing decisions can make an XRF analyzer an important part of the operation.
Why choose the Niton DXL?
The Niton DXL combines professional XRF technology with a compact enclosed benchtop design built around precious metals testing.
Unlike a handheld XRF analyzer intended to cover many different applications, the DXL provides a dedicated workstation for businesses primarily analyzing jewelry and precious metals.
Key advantages include:
- Dedicated precious metals application
- Enclosed testing chamber
- Fast, non-destructive analysis
- Compact countertop footprint
- Simple sample positioning
- Integrated touchscreen interface
- No chemical reagents required for XRF analysis
- No routine grinding or sample preparation for typical jewelry testing
- Designed for repeated commercial testing
Technical Specifications
| Specification | Detail |
|---|---|
| Analysis Range | 22 elements including all precious metals |
| X‑ray Detector | High‑performance Si‑PIN semiconductor |
| X‑ray Tube | Silver anode, 45 kV max / 80 µA, 8 mm chamber |
| Display | Color touch‑screen |
| Memory & Storage | 64 MB system memory, 128 MB user storage; 10,000+ readings with spectra |
| Data Transfer | USB (via NDT™ PC software) |
| Power Supply | 7.2 V Li‑ion battery (charges in‑instrument) + 110/220 V AC adapter |
| Size & Weight | 15.6″ × 8.1″ × 10.4″ (396 × 206 × 265 mm); 17 lb (7.7 kg) |
| Accessories Included | Battery, charger, USB cable, adhesive tack, spare X‑ray windows, internal camera |
| Optional Add‑ons | 3 mm small‑spot focus, extra battery, external charger, locking case |
| Security | Password protection |
| Certifications | CE, RoHS |
Understanding XRF Results
XRF measures the elemental composition of the surface and near-surface region being analyzed.
This is important when testing jewelry.
Plating, coatings, layered construction, solder joints, sample geometry, and the specific location being analyzed can influence the result. A measurement from one location should not automatically be interpreted as proof that an entire item has the same composition throughout.
For questionable or high-value material, testing multiple locations and using additional verification methods may be appropriate.
Understanding this limitation is an important part of using XRF effectively for precious metals purchasing and evaluation.
Pre-Owned XRF Equipment from Alloy Geek
Buying pre-owned analytical equipment shouldn't mean buying an unknown instrument from an unknown seller.
Alloy Geek specializes in XRF analyzers, accessories, parts, training, and support. Our pre-owned analyzers are inspected and function-tested before being offered for sale.
This gives you an opportunity to purchase professional XRF equipment at a lower investment than new equipment while still having access to a company that understands the technology you're buying.
What's Included?
- Thermo Scientific Niton DXL analyzer
- Power supply / power cord
- Installed precious metals calibration/software
- 1 Battery
- Alloy Geek virtual installation and use training
Condition
This is a pre-owned analytical instrument and may show normal cosmetic signs of previous use.
The analyzer has been inspected and tested by Alloy Geek prior to sale.
Please review the listing photographs for the cosmetic condition of this specific unit. If you would like additional photographs or have questions about its condition, contact Alloy Geek before purchasing.
New to XRF?
You don't need to become an XRF expert before buying your first analyzer.
Alloy Geek specializes in XRF equipment and can help you understand the basic operation of your Niton DXL, proper testing practices, and the limitations of XRF when evaluating precious metals.
Training and additional support options may also be available.
Need help before you buy?
Not sure whether the Niton DXL is the right precious metals analyzer for your business?
Contact Alloy Geek and tell us what you're testing, your expected testing volume, and how you plan to use the analyzer.
We can help determine whether the DXL—or another XRF analyzer—is the better fit for your application.
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