Thermo Scientific™ ARL™ iSpark™ Optical Emission Spectrometers

High-performance spark OES platform for advanced elemental and inclusion analysis in metals

The ARL iSpark series is a powerful platform of optical emission spectrometers designed for fast, precise, and flexible analysis of metallic samples across the iron and steel, non-ferrous, and precious metals industries. Based on the renowned ARL PMT optical technology and equipped with state-of-the-art spark source and signal processing, the ARL iSpark offers unmatched analytical capability, long-term stability, and ease of use in routine and advanced OES workflows.

Key Features and Benefits

🔬 Advanced PMT Optics

• Legendary one-meter focal length Paschen-Runge mount
• High dispersion and resolution in a compact, sealed vacuum body
• Direct optical path ensures maximum sensitivity
• Superior performance in multi-base and trace-level analysis

⚡ Innovative Spark Source – IntelliSource™

• Controlled discharge shaping for optimal ablation and excitation
• Flexible dual current control (CCS) for all metallic matrices
• DISC™ (Discharge Interrupt by Short-Circuit) improves trace repeatability

🧠 Superior Signal Acquisition

• Time Gated Acquisition (TGA) for ultra-precise measurement
• Single Spark Acquisition (SSA) for better signal stability
• DISIRE algorithm for improved precision by removing diffuse signals
• FAST algorithm for selecting only optimal single spark data

Thermo Scientific™ ARL™ iSpark™ Optical Emission Spectrometers

Micro-Inclusion Analysis with Spark-DAT™

• Rapid inclusion characterization during routine OES
• Simultaneous elemental and inclusion analysis (e.g. Al₂O₃, MnS, TiB₂)
• No need for surface polishing or special sample prep
• Standard and advanced modes for inclusion size, type, and oxygen content

User-Friendly Design

• Compact, front-access design allows wall or corner installation
• Quick table changeover without tools
• Air-cooled spark stand with reduced argon consumption
• Smart Argon Management (SAM) with ECOmode and argon-saving presets

OXSAS Software Suite

• Comprehensive instrument control, calibration, and diagnostics
• Flexible user access levels and full traceability
• Maintenance management and quality tools
• Seamless integration with automation and SMS sample handling

Applications

• Ferrous and non-ferrous metals: steel, copper, aluminum, nickel, titanium
• Precious metals and specialty alloys
• Inclusion analysis: cleanness control in steel/aluminum
• QA/QC, production control, and R&D in metallurgy and foundries
• Compatible with manual or fully automated workflows

Thermo Scientific™ ARL™ iSpark™ Optical Emission Spectrometers