Technologies · Material analysis
Know exactly what your metal is made of
Optical emission spectrometry delivers fast elemental analysis — so you verify alloys and control composition from melt to finished part.
Spectrometers (OES)
Optical emission spectrometry (OES) determines the elemental composition of metals by analysing the light emitted from a controlled spark. It is a workhorse method for metal composition control, from incoming material verification to in-process melt analysis.
Convert material-verification needs into a consultation around OES analysis.
Metallurgists and quality engineers in foundries and metal processing.
Where this technology is used
Representative applications — your exact part and process define the right setup.
Problems this technology addresses
Wrong or mixed material
Confirm incoming and outgoing material is the correct grade.
Out-of-spec melt
Check and adjust composition during melting.
Trace contamination
Identify tramp and trace elements that affect performance.
Unverified certificates
Produce composition data to support material certification.
What you can do with it
- Fast multi-element analysis
- Stationary and mobile options
- Foundry melt and finished-part analysis
- Traceable composition reporting
- Stationary (benchtop) OES spectrometers
- Mobile / portable OES analysers
- Reference samples and calibration standards
Categories only — we match the specific configuration to your application during the consultation.
Principals behind this technology
EMUS represents these manufacturers across the Balkan region — with consulting, installation, training and service.
Equipment for this technology
Systems in our portfolio built on this technology. Every configuration is matched to your application.
S5 Solaris Plus
Laboratory CMOS-based spark OES for multi-matrix analysis of ferrous and non-ferrous alloys, available in standard or customised configurations.
Learn moreS6 Sirius
Laboratory spark OES with high-resolution CMOS detectors and sealed argon-filled optics for multi-matrix metal analysis.
Learn moreS7 Metal Lab Plus
Laboratory CMOS-based spark OES for multi-matrix metal analysis, from routine quality control to trace analysis in configured programs.
Learn moreS9 Atlantis
Top-range laboratory spark OES combining photomultiplier and CMOS detector technologies in a Paschen-Runge vacuum optic.
Learn moreS1 MiniLab 150
Ultra-compact spark OES for metal production and processing, designed for easy operation and low maintenance cost.
Learn moreS3 MiniLab 300
Ultra-compact CMOS-based spark OES with an extended 130–700 nm range for ferrous and non-ferrous alloys, including foundry use.
Learn moreE3 Esaport
Portable optical emission spectrometer with arc and/or spark excitation for on-site metal sorting, PMI and incoming inspection.
Learn moreE4 Esaport Plus
Mobile spark emission spectrometer for multi-matrix analysis of ferrous and non-ferrous alloys outside the laboratory.
Learn moreRotrOil
Rotating disc electrode OES (RDE-OES) for elemental analysis of wear metals, additives and contaminants in oils and fluids.
Learn moreR4 RotrOil
RotrOil rotating disc electrode OES with an automatic sample changer for higher-throughput oil-analysis laboratories.
Learn moreIndustries that rely on this technology
Challenges this technology helps solve
See how this technology fits into a complete inspection approach for real manufacturing problems.
Material Identification
Confirm exactly what an alloy or metal is before it reaches your process.
Learn moreFailure Analysis
Understand why a part failed — geometry, material and internal structure.
Learn moreIncoming Material Inspection
Catch non-conforming material at goods-in, before it enters production.
Learn moreBrochures & documentation
Official documentation for equipment built on this technology.
Choosing an OES spectrometer: laboratory, compact or portable
Start from where the analysis happens and which alloys you need to cover. The analytical programs — elements, matrices and ranges — are then configured to your materials.
Laboratory spark OES
For a quality laboratory that needs the widest analytical coverage — multi-matrix programs, low limits and trace elements.
- S5 Solaris Plus
Laboratory CMOS-based spark OES for multi-matrix analysis of ferrous and non-ferrous alloys, available in standard or customised configurations.
- S6 Sirius
Laboratory spark OES with high-resolution CMOS detectors and sealed argon-filled optics for multi-matrix metal analysis.
- S7 Metal Lab Plus
Laboratory CMOS-based spark OES for multi-matrix metal analysis, from routine quality control to trace analysis in configured programs.
- S9 Atlantis
Top-range laboratory spark OES combining photomultiplier and CMOS detector technologies in a Paschen-Runge vacuum optic.
Ultra-compact OES
For production control close to the furnace or line, where footprint, ease of operation and running cost matter.
- S1 MiniLab 150
Ultra-compact spark OES for metal production and processing, designed for easy operation and low maintenance cost.
- S3 MiniLab 300
Ultra-compact CMOS-based spark OES with an extended 130–700 nm range for ferrous and non-ferrous alloys, including foundry use.
Portable & mobile OES
For analysis where the material is: on-site sorting, positive material identification (PMI) and incoming inspection.
- E3 Esaport
Portable optical emission spectrometer with arc and/or spark excitation for on-site metal sorting, PMI and incoming inspection.
- E4 Esaport Plus
Mobile spark emission spectrometer for multi-matrix analysis of ferrous and non-ferrous alloys outside the laboratory.
All models above are GNR Analytical Instruments spectrometers. See the full GNR portfolio or send us your alloys and sample types for a recommendation.
An engineering partner, not just a supplier
We help you decide whether this technology is the right fit — and support it for its full lifecycle.
Authorized representation
Official partnerships with 16 established manufacturers — genuine equipment, full warranty and certified spares.
100+ systems installed since 2021
Commissioned across production floors and laboratories in the Balkan region — references available on request.
Method chosen on merit
Multi-vendor freedom means we recommend the technology that fits your part, tolerances and defect type — not the only line we carry.
Local engineering, 24h response
Offices in Zagreb, Sarajevo and Belgrade. Application, installation, training and calibration handled by the same team that specified the system.
Customers evaluating Spectrometers (OES) often also consider
Adjacent inspection methods that address related manufacturing questions — worth comparing before you commit to a single technology.
Digital Radiography / X-ray Inspection
Digital radiography and X-ray inspection reveal internal structure with immediate digital imaging, speeding inspection of welds, castings and assemblies while improving documentation.
Learn moreVolumetric inspection & metrologyIndustrial CT
Industrial computed tomography reveals internal defects, verifies assemblies and measures geometry that other methods cannot reach.
Learn moreDimensional metrologyOptical 3D Metrology
Optical 3D metrology captures millions of points in seconds, delivering complete dimensional insight far faster than point-by-point probing.
Learn moreSurface & finish measurementSurface Metrology
Surface metrology characterises roughness, texture and microgeometry — the properties that drive sealing, friction, wear and fatigue life.
Learn moreDiscuss your application with an EMUS engineer
Share your part, tolerances and quality goals — we'll tell you honestly whetherSpectrometers (OES) is the right fit.
How EMUS supports Spectrometers (OES)
From installation and operator training to calibration and long-term application support, we back every technology we supply.
Mechanical, electrical, environmental setup done right the first time.
Qualification and acceptance testing against real criteria.
Operator and application training built around your parts.
Traceable calibration to keep measurements audit-ready.
Preventive and corrective service across the Balkan region.
Method development and problem-solving with our engineers.