GemRam Portable Raman Spectrometer




The GemRam™ is a lightweight, portable Raman spectrometer for rapid, non-destructive verification of known gemstones as well as the identification of unknown gemstones based on mineral physics. Designed for gemologists and researchers, it includes B&W Tek’s GemID™ identification software with a spectral library of more than 450 genuine gemstones from the GemExpert collection, including common and rare gem spectra and images. The GemRam can be used to identify polished stones, crystals as well as uncut stones.

The GemRam utilizes a frequency-stabilized 785 nm diode laser and a high resolution, TE-cooled spectrometer, providing unrivaled performance and repeatability. For convenient sampling, it comes complete with a fiber probe and an X-Y-Z positioning stage, all in a carrying case.

Key Differences

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Technical Specification

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Computer interfaceUSB 2.0 / 1.1

Dimension17 x 34 x 23.4 cm

Humidity10% – 85%

Laser Power785 nm, > 320 mW

Operating Temperature (°C)10°C – 35°C

Power5 V DC at 8 A

Spectrometer Range150 cm-1 – 2700 cm-1

Spectrometer Resolution< 3.5 cm-1 at 912 nm

Storage Temperature-10°C – 60°C

Weight4.6 kg

GemRam Portable Raman Spectrometer


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