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FD3900 Precious Metal Spectrometer – A Quick Gold Testing Tool for Jewelry Stores

The FD3900 spectrometer is a high-performance, cost-effective instrument for precise gold analysis, priced competitively at just two high-end electronic scales. Certified with CE, RoHS, FCC, and National Metrology approvals, it ensures reliability for pawnshops, jewelry stores, recycling centers, and factories.

Featuring a ±0.1% accuracy5–60s fast detection, and a wide analysis range (0.01%–99.99%), it measures gold, silver, platinum, palladium, and copper. The compact, all-in-one touchscreen design with HD camera and proportional counter detector ensures portability, ease of use, and lab-grade results.

Ideal for quick, efficient, and accurate precious metal testing in any small-scale or professional setting.

Description

The FD3900 spectrometer is a relatively cheap spectroscopic gold measuring instrument, which is only equivalent to the price of two high-precision electronic scales, and has a very high cost performance. This model has obtained EU CE certification, EU RoHS certification, US FCC certification, and also obtained the National Metrology Certificate. It is suitable for pawn shops, jewelry retail stores, jewelry education and training institutions, K gold jewelry factories, silver jewelry factories and small old gold recycling stores.

Gold tester model FD3900
Analysis range 0.01%~99.99 %
Measurement accuracy ±0.1%
Light tube voltage 5KV ~ 50KV
High voltage power supply 0 ~50KV
Light tube current 0uA~1000uA
Camera HD camera
Detector Proportional counter detector
Multi-channel analyzer Multi-channel simulation
Sample chamber dimensions 310*280*90 (mm)
Test time 5~60 seconds
Measurement elements Gold, silver, platinum, palladium, copper
Analysis software Finder qualitative and quantitative analysis software
External dimensions 400*430*350 (mm)
Weight 33Kg

Key Highlights:
✔ Affordable & Certified
✔ ±0.1% Precision | 5–60s Fast Results
✔ Compact & Touchscreen Operation
✔ Multi-Element Detection (Au/Ag/Pt/Pd/Cu)

Upgrade your testing with the FD3900—where accuracy meets value!

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National High-Tech Enterprise Certificate | Radiation Safety License Spectrometer Invention Patent CertificateSpectrum Analyzer Patent Certificate |Spectrometer Software Copyright Certificate |Spectrometer Utility Model Patent National Metrology Certificate |EU CE Certificate EU ROHS Certification |US FCc Certificate |Spectrum Analyzer Design Patent F

FAQ

Manufacturing & Customization Capabilities

Q: Are you a direct manufacturer? Can you customize equipment for our specific needs?
A: Yes, we’re a professional jewelry equipment manufacturer with 10+ years experience. We specialize in:

  • Standard products: spectrometers, welders, marking & cleaning machines

  • Full customization services (OEM/ODM) for bulk orders

  • In-house R&D team to develop tailored solutions
    Visit our Shenzhen factory to discuss your project!

Product Quality & Reliability

Q: How reliable are your machines? What quality guarantees do you offer?
A: We guarantee:
✅ 10+ years lifespan with proper maintenance
✅ Rigorous 48-hour testing before shipment
✅ 1-year comprehensive warranty
✅ CE/FDA/RoHS certified
Our spectrometers maintain 99%+ accuracy even after years of use.

Order Process & Support

Q: What’s the process from order to delivery? What support is included?
A: Simple 4-step process:

  1. Get quote within 24 hours

  2. 1-7 days production (15-40 days for custom orders)

  3. Worldwide shipping (sea/air/express)

  4. Free remote training + lifetime support
    All machines feature plug-and-play setup with video guides.

Technical Support & Maintenance

Q: What if we encounter technical issues? How is maintenance handled?
A: Our support includes:
🛠️ 12-hour response guarantee
📹 Remote diagnostics & video guides
🔧 Replacement parts with installation support
🧰 Easy maintenance (no special tools required)
Most issues resolved remotely within 24 hours.

Competitive Advantages

Q: Why should we choose your products over competitors?
A: We stand out by offering:
💎 10-year industry expertise
⚡ Cutting-edge technology
🌍 Global customer support
💰 Best price-performance ratio
🔄 Flexible customization options
Test our machines risk-free with 30-day satisfaction guarantee.

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