150mm Refractometer for Gemstone Identification 1.30–1.81 RI 0.01 Resolution - Euromex

Take advantage of precise refractive-index measurement across a broad gemstone range and industry-grade resolution to speed identification workflows; combine accuracy and clear measurement limits for reliable results. Order the instrument conveniently via Metav Werkzeuge or consult their specialists for application advice.

Refractometer RF.6381 – Euromex gemstone refractometer, 1.30–1.81 R.I., 0.01 resolution

The Refractometer RF.6381 is a compact instrument for reliable identification of gemstones by measuring their refractive index within a wide diagnostic range.

• Wide RI range 1.30–1.81
• High resolution 0.01 R.I.
• Suited for gemstone identification

Precision that shortens inspection time

The main benefit of this instrument is repeatable accuracy when determining refractive index values, which accelerates decision-making in gem testing and quality control. With a measuring span of 1.30–1.81 R.I. and a resolution of 0.01, the unit provides a quantifiable basis for sorting and verifying materials. The numerical clarity reduces ambiguity during acceptance checks and supports traceable documentation in workshop logs or quality reports.

Clear interpretation for non-specialists

The refractive index is a material-specific optical constant; measuring it delivers an objective indicator for stone identification. The device displays values within the diagnostic range so that even technicians with limited gemological training can make informed comparisons against reference tables. This simplifies training requirements and helps standardise inspection routines across small labs and retail benches, turning optical properties into actionable information.

Practical fit for routine workflows

Designed for bench-top use, the unit integrates into existing testing stations without complex setup. The defined measurement limits and fine 0.01 resolution support conservative decision policies where borderline values require a re-check or referral. Because the instrument focuses on the critical parameter for gemstone classification, it streamlines the testing sequence and reduces the number of subsequent examinations required.

Advice and further information for confident procurement

If further specification details or clarification of suitability are needed, technical consultation is available to ensure the refractive-index meter aligns with the intended applications. Supplementary guidance can cover reference ranges for common gemstones and procedures to integrate the measurement result into existing quality records. Practical assistance supports efficient adoption and reduces implementation time.

Contact Metav Werkzeuge today to discuss how the Euromex Refractometer RF.6381 fits into the workshop’s testing routine — call +49 2822 7131930 or email info@metav-werkzeuge.com for tailored advice and next steps

Technical Data

• Article number: RF.6381
• Article designation: Refractometer for gemstone identification, 1.30–1.81 R.I.
• Manufacturer: Euromex

Facts

• Measuring range: 1.30–1.81 R.I.
• Resolution / accuracy: 0.01

Special features

• Intended application: Identification of gemstones
• Measuring principle: Refractive index measurement
• Product type: Refractometer

FAQ

What refractive-index range does the device cover?
The Euromex refractometer covers a range of 1.30–1.81 R.I., suitable for the majority of commonly tested gemstones.

How precise are the measurements?
Results are shown with a resolution of 0.01 R.I., providing fine discrimination between closely related materials when using standard reference procedures.

Is the instrument suitable for small-scale gem testing labs?
Yes, the unit is intended for bench-top use and supports routine identification tasks typical in small labs and specialist retailers.

Can the device distinguish between similar stones such as quartz varieties?
The refractive-index measurement provides a key optical parameter; when combined with reference data, it aids differentiation, though some cases may require complementary tests.

Are calibration or reference procedures required?
Regular verification against known reference standards is recommended to maintain traceability and ensure measurement consistency.

Manufacturer: Euromex Microscopen bv; Typograaf 8; 6921 VB Duiven; The Netherlands; info@euromex.com