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Metal & Material Analysis / OES — Optical Emission Spectrometer

EsaPort

Arc + Spark Dual Mode
E4 Plus: 178–460 nm
400 Wh Battery Option
PMI Testing

From steel mills to open-air scrap yards — laboratory-grade metal analysis in the harshest environments. Argon-free DC Arc + Argon Spark, battery option, and ergonomic gun design, ready at every point.

Request a Quote → Technical Specifications
GNR EsaPort E4 Plus Portable OES Metal Analysis Spectrometer
📡
178–460 nm
E4 Plus Spectral Range
⚡
Arc + Spark
Dual Excitation Mode
🔋
400 Wh
Optional Battery (~2 hours)
⚗️
P & S
E4 Plus: Field Phosphorus & Sulphur Analysis
GNR EsaPort E4 Plus

Core Technology

Dual Excitation Mode & Ergonomic Design

EsaPort is the only portable OES platform that switches in a single instrument from fast scrap sorting to precise PMI testing. Aluminium/PTFE housing and a 3-metre fibre optic cable adapt to any environment.

⚡
Argon-Free DC Arc
Rapid scrap sorting and first-pass identification outdoors or at points without an argon supply.
🎯
Argon Spark
Precise measurement for production-line PMI and quality approval. E4 Plus includes P and S determination.
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Special Geometry Adapters
Wires, small parts, curved surfaces, and weld seams — analysis on any geometry that does not fit a standard stand.
GNR EsaPort E3

Power & Independence

400 Wh Battery — Off-Grid Analysis

Approximately 2 hours of continuous full-performance operation at field points without mains power. Autonomous analysis maximises efficiency on site.

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400 Wh External Battery Pack
Optional 400 Wh battery delivers full-performance analysis at remote yards and warehouses where mains power is unavailable.
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Automatic Profile Adjustment
Stable measurements unaffected by temperature changes. No calibration drift in heavy factory or outdoor conditions.
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Integrated Touchscreen
EOS® software, results, and reports ready in the field on an integrated INTEL NUC — no external PC needed.

Technical Data

EsaPort - Technical Specifications

ParameterValue
Detector Advanced CMOS technology
Optical System High-resolution compact optical system
Wavelength Range E3: 190–410 nm | E4 Plus: 178–460 nm
Excitation Source Argon-free DC Arc + Argon Spark (dual mode)
Software EOS® GNR touchscreen software (integrated INTEL NUC)
Power Supply 110/220 V AC or 400 Wh external battery
P & S Analysis E4 Plus — with argon-purge probe
PC Integrated (touchscreen)

Frequently Asked Questions

What You Wonder About

The E4 Plus is lighter (15 kg vs 23 kg), covers a wider wavelength range (178–460 nm), and can analyse Phosphorus (P) and Sulphur (S) in the field thanks to its dedicated argon-purge probe. The E3 combines arc and spark excitation, making it a powerful and cost-effective choice for standard PMI and scrap sorting.

The optional 400 Wh external battery pack provides approximately 2 hours of continuous analysis in the field without mains power.

Yes. Specially designed geometry adapters allow high-accuracy analysis on non-flat surfaces, wires, small parts, curved surfaces, and weld seams.

PMI (Positive Material Identification) is a non-destructive test that confirms a material is genuinely the specified alloy. It is critical for preventing pipeline failures, pressure-vessel rupture risks, and quality non-conformances caused by wrong material use.

Need a Quote?

Contact us for detailed information and pricing options for our instruments. We are here to help with 25 years of experience.

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