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Optical Analysis
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FTIR Gas Analyzers for High-Precision Infrared Spectroscopy
Instrava FTIR gas analyzers are advanced Fourier Transform Infrared (FTIR) spectroscopy systems designed for accurate gas composition analysis and molecular identification. Using a high-performance Michelson interferometer optical system, the analyzer converts infrared interference signals into detailed spectral information through Fourier transform processing.
This analytical technology enables precise identification of chemical components and gas concentrations, making FTIR gas analyzers one of the most powerful tools for spectral analysis and gas detection.
With high signal-to-noise ratio and wide spectral range, the analyzer provides reliable spectral data for both industrial gas monitoring and laboratory research applications.
Optical Analysis Description
Industrial and Laboratory Applications of FTIR Gas Analysis
Modern FTIR gas analyzers are widely used in industries and research fields where high-accuracy chemical analysis and gas composition monitoring are essential.
Typical applications include:
Petrochemical process analysis and gas composition monitoring
Material science and chemical structure research
Biomedical and pharmaceutical analysis laboratories
Food safety testing and contaminant detection
Environmental monitoring and atmospheric gas analysis
University teaching laboratories and research institutes
Because FTIR spectroscopy can analyze multiple chemical compounds simultaneously, it is highly valued in industries requiring accurate molecular identification and spectral analysis.
The system is designed for easy installation, simple operation, and convenient maintenance, making it suitable for both laboratory environments and industrial analysis facilities.


Advanced FTIR Spectroscopy with Stable Optical Architecture
The Instrava FTIR gas analyzer system integrates precision optical components and intelligent electronic processing to ensure high-quality spectral analysis.
Key system advantages include:
Non-orthogonal Michelson interferometer for accurate optical interference measurement
Wide spectral range from 7800 to 350 cm⁻¹ for comprehensive molecular detection
High signal-to-noise ratio up to 55,000:1 for clear spectral results
High spectral resolution (≤0.85 cm⁻¹, optional 0.5 cm⁻¹) for detailed compound identification
Integrated optical design for stable long-term operation
These features allow the analyzer to perform high-precision infrared spectral measurements, supporting advanced research and industrial chemical analysis.
With its stable architecture and user-friendly operation, the system provides a reliable solution for continuous spectral analysis and laboratory gas identification.
Optical Analysis Parameter
| Parameter | Specification |
|---|---|
| Product Type | FTIR Gas Analyzer |
| Technology | Fourier Transform Infrared Spectroscopy |
| Spectral Range | 7800 – 350 cm⁻¹ |
| Interferometer | Non-orthogonal Michelson interferometer |
| Resolution | ≤0.85 cm⁻¹ (0.5 cm⁻¹ optional) |
| Signal-to-Noise Ratio | 55,000:1 (P-P value, 4 cm⁻¹, 1 min scan) |
| Application | Gas analysis, material analysis, laboratory research |
| Installation | Laboratory or industrial analysis systems |
Instrava OEM/ODM
At Instrava, our instruments are developed with a strong focus on real industrial applications. Each product is designed to operate as a reliable component within measurement, control, and automation systems, rather than as a standalone device.
Our engineering team supports customers during product selection by evaluating process conditions, operating environments, and system requirements, ensuring stable and long-term performance in actual use.
In addition to standard configurations, Instrava offers flexible customization options, including measurement range, materials, output signals, communication interfaces, and installation methods. All custom solutions are engineered to meet industrial standards and application-specific demands.
We also support OEM projects and system integration, providing consistent product design, technical documentation, and long-term supply to ensure smooth integration and reliable operation throughout the project lifecycle.

Related Product Recommendations
FTIR gas analyzers are used to analyze gas composition and chemical compounds through infrared spectral analysis. They are widely used in petrochemical analysis, environmental monitoring, laboratory research, and pharmaceutical testing.
FTIR analyzers use a Michelson interferometer to create an interference signal from infrared light. After interacting with the sample, the signal is processed using Fourier transform algorithms to generate a detailed infrared spectrum.
FTIR technology can detect a wide range of gases and chemical compounds, including hydrocarbons, CO₂, CO, NOx, SO₂, and other trace gases, depending on the spectral database used for analysis.
Industries that commonly use FTIR gas analyzers include:
Petrochemical processing
Pharmaceutical manufacturing
Environmental monitoring agencies
Food safety laboratories
Research institutes and universities
The main advantages of FTIR spectroscopy include:
Simultaneous multi-component analysis
High spectral resolution
Non-destructive measurement
Fast analytical results
Wide chemical detection capability
Yes. FTIR gas analyzers are widely used in scientific research laboratories, especially in chemistry, material science, and biomedical analysis, where accurate molecular identification is required.
By choosing Instrava, you gain a partner with a deep understanding of industrial applications and the expertise to meet today’s operational challenges.
Our role extends beyond products—we support your success through dependable solutions and long-term commitment.
Innovation at Instrava is guided by real industrial requirements. We continuously refine our technologies to address evolving operational challenges, ensuring practical and reliable performance in demanding environments.
We provide engineering-level customization to match specific process conditions. From measurement range and materials to output signals and installation options, our solutions are configured to fit real applications.
Quality and reliability are fundamental to every Instrava product. Manufactured under strict quality control and thoroughly tested, our instruments deliver accurate, stable, and long-term performance.
Instrava combines global engineering expertise with responsive local support, ensuring our partners benefit from internationally aligned technology and timely regional service.
Our broad portfolio of measurement and control instruments enables us to address a wide range of industrial needs, providing integrated solutions from a single, reliable source.
We work closely with our partners from technical consultation to after-sales support. Our focus is on delivering solutions that create lasting value and support long-term operational success.
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