Author Archives: wisermachine

XRF Low Count Rate or No Sample Detected: Safe Troubleshooting 2026

Troubleshoot XRF low count rate or no sample detected safely. Check sample coverage, positioning, window [...]

XRF Gold Plating Thickness Measurement for Vermeil and Jewelry QC 2026

Understand XRF gold plating thickness measurement for vermeil and jewelry QC. Confirm layer system, calibration, [...]

XRF Lead and Cadmium Screening for Jewelry: Buyer Workflow 2026

Plan XRF lead and cadmium screening for jewelry components. Separate parts, use suitable calibration, document [...]

XRF Sample Camera Positioning for Rings, Clasps and Earrings 2026

Use an XRF sample camera to position rings, clasps, earrings and repairs. Center the test [...]

XRF Collimator Spot Size for Jewelry: Small Parts and Mixed-Metal Risks 2026

Choose an XRF collimator spot size for rings, clasps, solder joints and small jewelry. Learn [...]

XRF Edge Effect on Curved Jewelry: Positioning Rings, Bangles and Chains 2026

Reduce XRF edge and geometry errors when testing rings, bangles and chains. Use stable positioning, [...]

XRF Repeatability Test for Gold Analyzers: Daily Buyer Check 2026

Run an XRF gold tester repeatability check with one stable sample, fixed positioning, repeated readings, [...]

XRF Gold Analyzer Test Time: When to Use 5, 15, 30 or 60 Seconds 2026

Choose an XRF gold analyzer test time for screening, confirmation and difficult samples. Learn why [...]

How Many XRF Test Points Does Jewelry Need? Ring, Chain and Bracelet Guide 2026

A practical guide to choosing XRF test points on rings, chains, bracelets and mixed jewelry [...]

How Deep Does XRF Test Gold? Surface Measurement Limits for Jewelry Buyers 2026

Learn how deep XRF tests gold, why it is a surface measurement, and how jewelry [...]