Mobile gem laboratory KA52KRS
Hand-held spectroscope HS1504
Gemstone refractometer ER601-LED
Handheld dichroscope HD10
Table-top polariscope Cold light sources PKA13
Anderson liquid FL100
Gooseneck light guide KL5130
Cuevette microscope EK10
Stone holder R10
Double objective lens MSZ5418-N
Dark field device MSZ5419

Large mobile gemstone laboratory KA52KRS

8.467,00 €

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Mobile gemstone laboratory in a case: premium equipment for professional gemmology – can be used anywhere, robust, flexible

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Artikelnummer KA52KRS Kategorie Tags , , ,

Description

Mobile gemstone laboratory in a case: your reliable companion for professional gemmology – anytime, anywhere

This fully equipped, mobile gemstone laboratory in a high-quality Level 8 aluminum case offers everything you need for precise gemstone analyses outdoors, in customer meetings or at trade fairs, in the studio or on the go.

Thanks to automatic voltage adjustment(110-240 volts) and an integrated, rechargeable battery and connection option to a 12-volt car battery, the laboratory remains fully operational even under demanding conditions.

Precision optics for the highest demands

At its heart is a professional gemstone stereo microscope with all the essential functions for gemmological investigations. High magnifications and excellent optics deliver maximum technical prerequisites – crucial for the reliable identification of gemstones. The integrated cold light sources ensure optimum illumination for Dark-field, transmitted and reflected light applications, ideal for diamonds and colored gemstones.

Comprehensive gemmological equipment

The mobile laboratory contains all the important instruments for a well-founded analysis:

  • Refractometer – for precise determination of the refractive index
  • Spectroscopes – for diagnosis using Fraunhofer lines and absorption bands
  • Dichroscope – for the investigation of pleochroism
  • Polariscope – for quick recognition of frequent imitations

The complete mobile laboratory includes:

  • Shock-resistant aluminum case(Level 8 case with wheels)
  • Stereo microscope MSZ5000 with zoom and German precision optics
  • Stepless zoom with 7x-45x magnifications, expandable to 14x-90x.
    Max. Magnification 180x (by using 20x eyepieces and auxiliary lens 2x as accessories)
  • Intuitive touchscreen
  • Can be used with upright or horizontal structure
  • Dark-field illumination
  • Gooseneck light guide for incident and transmitted light
  • Cuvette table and Polarisation device and translucent glass
  • Plane-parallel, polished glass cuvette
  • Object tongs for set and unmounted stones
  • LED illumination for incident and transmitted light
  • Gemstone refractometer with sodium filter and Anderson solution (refractive index 1.79 nD)
  • Spectroscopes 1504 with spectroscope holder and scale illumination
  • Polariscope with analyser, polariser and conoscope lens
  • Dichroscope HD10
  • UV cabinet with short- and long-wave UV lamp
  • Mains adaptor 110-240 V, rechargeable battery for worldwide use (running time approx. 8 hours)

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You can find practical examples of device use in the Applications or for background knowledge on the investigations, please refer to the overview of methods.

Why gemstone microscopes are indispensable for diamond valuation

KRÜSS gemstone microscopes provide gemmologists and dealers with a tool that goes far beyond the classic 10x magnification of a loupe. A certified assessment can create security for buyers, especially when purchasing particularly valuable diamonds. Only under a gemstone microscope can the fine features that determine the quality and price of a diamond be recognized.

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KRÜSS stereo microscopes in practice

Our gemmological specialist, Dimitri Zlatev, demonstrates how the 4C diamond evaluation (Cut, Colour, Clarity and Carat) is carried out. He explains in particular the five factors of clarity grading: inclusion size, number of features, inclusion position, type/nature of the inclusion, and relief/visibility.

All of Dimitri’s videos can also be viewed on our YouTube channel.

Recommended standards and quality criteria for diamond grading

Clarity grades FL/IF–VS (flawless to very small inclusions) are determined as follows:

Almost every diamond contains natural inclusions. Stones with clarity grades FL appear flawless at 10x magnification, IF (Internally Flawless) are internally flawless and VS diamonds show very small, difficult‑to‑detect features. Experts use diamond loupes for the initial inspection. For professional grading or certification, our high‑quality stereo microscopes are widely used. For optimal handling during microscopy, we recommend using premium KRÜSS Optronic tweezers.

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KRÜSS stereo microscopes in practice

Untrained diamond assessment can lead to misdiagnosis. An experienced gemmologist knows the typical pitfalls – and Dimitri Zlatev demonstrates this impressively using the example of supposed inclusions.

The video reveals that the initial assessment of “inclusions” is misleading. In reality, there are multiple reflections in the pavilion facets that look like inclusions.

The result: what looks like a quality defect is actually an optical effect.

⇒ Background information on investigations using stereo microscopes or immersion liquid can be found in the methods article entitled Microscopy.

⇒ You can find practical examples in the articles: Examining inclusions with stereo microscopes (bright-field microscopy) and Examining under a dark-field microscope

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