Presidium PRIM II Digital Refractometer, Measurement Range 1.000 to 3.000 RI

The Presidium PRIM II Digital Refractometer brings laboratory-level accuracy to your workspace. This advanced instrument measures refractive index (R.I.) across a 1.000-3.000 range, enabling precise identification of diamonds, moissanite, and colored gemstones without messy immersion fluids. Featuring an instant-read digital display and built-in database of 55 gemstones, the PRIM II delivers immediate results with professional reliability. Its compact design and continuous operation capability make it perfect for both field use and laboratory settings. For enhanced functionality, the device supports software upgrades through its USB port, ensuring your tool grows with your needs.

• Digital Refractive Index Measurement: Instantly displays precise R.I. readings on a digital screen with a wide measurement range from 1.000 to 3.000, eliminating the need for immersion fluids.
• Built-In Database of 55 Gemstones: Quickly identify diamonds, moissanite, and colored gemstones by comparing your measurements against the integrated gemstone library.
• No Waiting Between Tests: Designed for efficient workflow with zero cool-down time, allowing for continuous, rapid testing of multiple stones.
• Compact & Easy to Use: Lightweight (140g) and portable with a simple interface, making professional-grade gem identification accessible to everyone.
• Software Upgrade Option: Expand identification capabilities with additional software (sold separately) for advanced gemological analysis and updated stone databases.