- Vibration Monitoring
- Industrial Communications
- PLC & I/O Cards
- Automation Accessories
- AC Drives
- Controllers & Data Acquisition
- Industrial Computers
- Encoders
- Safety Switches & Guard Locking
- CCTV & Security
- Isolator & Barrier
- Motor Soft Starters
- HMI Displays
- Pneumatic Cylinders
- Automation Software
- Servo Drives
- Robotics
- Machine Vision
Brand: Cubic
Cubic LRGA-3100 Laser Raman Spectroscopy Gas Analyzer
Description
Overview
The Cubic LRGA-3100 Laser Raman Spectroscopy Gas Analyzer is a highly advanced, next-generation analytical instrument independently researched and developed by Cubic Instruments (a wholly-owned subsidiary of CUBIC Sensor and Instrument Co., Ltd). Building upon the foundation of the LRGA-6000—a product developed for significant national scientific applications—the optical path and internal structure of the analyzer have been meticulously optimized. This optimization drastically reduces the overall size of the gas analyzer, making the analyzer an exceptionally compact and transportable solution for modern industrial environments.
Backed by manufacturer datasheet documentation, Seven Star LLC proudly supplies the analyzer throughout the Sultanate of Oman and the wider GCC region. We ensure that industrial facilities, petrochemical plants, and scientific laboratories receive genuine, state-of-the-art analytical equipment supported by local technical enquiry assistance. The analyzer is engineered to provide online, real-time measurement of multiple gases simultaneously, achieving the shortest response times in the industry—often within mere seconds.
Measurement and Operating Principle
At the core of the Cubic LRGA-3100 lies the sophisticated principle of laser Raman scattering. When the internal laser beam interacts with the gas molecules within the sample chamber, a small fraction of the scattered light shifts in wavelength. This shift is highly specific to the molecular bonds of the respective gas. The Cubic LRGA-3100 precisely enhances, collects, processes, and identifies these characteristic Raman scattering spectra to determine exactly which gases are present.
Once the characteristic spectra are identified, the internal processing unit of the Cubic LRGA-3100 quantifies the exact content and concentration of each gas. Unlike traditional gas chromatography, this laser Raman methodology allows the Cubic LRGA-3100 to analyze different components using baseline-separated peaks, delivering chromatogram-like analysis without the significant operational delays. This advanced spectroscopic approach ensures that the Cubic LRGA-3100 delivers unparalleled analytical precision without requiring ongoing calibration.
Engineering Design of the Cubic LRGA-3100
The structural integrity of the Cubic LRGA-3100 is designed to meet the rigorous demands of heavy industry. By utilizing state-of-the-art miniaturized optical components, the analyzer boasts a highly compact footprint (L590 x W480 x H177 mm). This transportable design allows the Cubic LRGA-3100 to be easily integrated into existing plant infrastructure or deployed as a mobile diagnostic unit across various process lines.
Furthermore, the Cubic LRGA-3100 is engineered for extreme durability. When equipped with a proper gas conditioning system, the analyzer is fully capable of being mounted online in harsh process conditions characterized by high temperatures and high pressures. This robust construction ensures that the Cubic LRGA-3100 maintains continuous, reliable operation, effectively eliminating the frequent maintenance downtime associated with less durable analytical instruments.
Key Features
The Cubic LRGA-3100 is packed with technical advantages designed to optimize gas monitoring processes across a wide spectrum of industries:
- Simultaneous Multi-Gas Analysis: The Cubic LRGA-3100 can simultaneously measure multiple components, including N2, O2, H2, CO, CO2, CH4, C2H6, C3H8, and H2S.
- Wide Detection Range: Offers an exceptionally wide online real-time measurement range, spanning from 0.1% all the way up to 100%.
- Rapid Response: Achieves a highly efficient response time of approximately 100 seconds, enabling immediate process control adjustments.
- Low Operating Costs: Crucially, the Cubic LRGA-3100 requires no carrier gas and no regular calibration gas, significantly lowering OPEX.
- High Accuracy: Delivers exceptional analytical accuracy of ≤±2% F.S., ensuring absolute confidence in the measurement data.
- Versatile Connectivity: The Cubic LRGA-3100 comes standard with USB and RS232 external interfaces for seamless data logging and control system integration.
- Comprehensive Coverage: A single Cubic LRGA-3100 instrument can provide complete gas monitoring for entire industrial process loops.
Industrial Applications
The robust performance characteristics of the Cubic LRGA-3100 make it an indispensable asset across a vast array of heavy industries. It is extensively utilized in the natural gas sector for shale gas extraction, mud logging, and natural gas cracking. Additionally, the Cubic LRGA-3100 is highly effective in the petrochemical and coal chemical industries, providing critical composition data for raw coal gas and conversion gas.
Beyond oil and gas, the Cubic LRGA-3100 excels in ferrous metallurgy applications, such as monitoring argon blowing in steel ladles and analyzing mixed gases from blast, coke, and converter furnaces. Working closely with plant engineers in the region, Seven Star LLC distributes and supports the Cubic LRGA-3100 throughout key industrial hubs, including the Sohar and Salalah economic zones in Oman. Our regional expertise guarantees that GCC industries can maintain safe, highly efficient gas monitoring operations with rapid access to this premium instrumentation.
Technical Specifications
The following table outlines the primary operational capabilities and physical specifications of the laser Raman gas analyzer:
| Parameter | Specification |
|---|---|
| Model | Cubic LRGA-3100 |
| Measurement Principle | Laser Raman Scattering |
| Measurement Components | H2, N2, O2, CO, CO2, CH4, C2H2, C2H4, C2H6, C3H6, C3H8, H2S, etc. |
| Measurement Range | 0-100% (customizable based on application) |
| Accuracy | ≤±2% F.S. |
| Response Time | 100s |
| Repeatability | 2% |
| Operating Temperature | 10°C – 35°C |
| Power Supply | AC 220V/50Hz |
| External Interface | USB, RS 232 |
| Dimensions | L590 x W480 x H177 (mm) |
Request a Quote for Cubic LRGA-3100 Laser Raman Spectroscopy Gas Analyzer
To upgrade your industrial gas monitoring infrastructure or to request a formal quotation for the Cubic LRGA-3100 Laser Raman Spectroscopy Gas Analyzer, contact our instrumentation division today. We maintain extensive regional support and offer direct access to technical datasheets and integration manuals. With fast quotation turnaround and technical support, Ltd. in Oman and the GCC, Seven Star LLC provides technical support with selection to help ensure your analytical systems operate flawlessly.
Related Products
- BARTEC HYGROPHIL F 5674 Process Trace Moisture Analyzer 5674-xx
- Teledyne 8800B Trace Moisture Analyzer – 8800 Series
- AccuChrome™ GC4: BTU Heating Value Gas Chromatograph
- METPOINT DPM SD23 with BDL compact 4031322
- AMETEK 5100P Transportable TDLAS-based analyzer
- FPA 4100™ UV Digital Photometers
- Applied Analytics OMA Odorant Analyzer
Reviews (0)
How would you rate this product? Cancel reply
About brand
Cubic Sensor and Instrument is a Chinese maker of gas sensors and gas analyzers, founded in 2003 in Wuhan.
Seven Star LLC is an independent supplier in Muscat. We list Cubic gas analyzers for gas processing and industrial users in Oman and the GCC.
Cubic product series
The LRGA-3100 is a laser Raman spectroscopy gas analyzer.
Raman spectroscopy measures several gas components at once, including diatomic gases such as hydrogen, nitrogen and oxygen that infrared analyzers cannot see. This makes it useful for natural gas, syngas, hydrogen and other mixed gas streams where composition changes quickly. The sample conditioning system, gas components and ranges must be defined for each application.
Where Cubic analyzers are used
Gas processing, hydrogen production, chemical plants, steel works and energy applications.
Ordering Cubic analyzers: what we need
Send the gas composition and ranges, sample pressure and temperature, area classification and the outputs required.
Browse Cubic products by category: Gas Analyzer Systems.
Related products
Frequently Asked Questions
The analyzer utilizes laser Raman scattering. It enhances, collects, and identifies the characteristic Raman spectra of different gas molecules, allowing it to quantify multiple gases at the same time using baseline-separated peaks.
No, one of the key advantages of the Cubic LRGA-3100 is that it requires absolutely no carrier gas and no regular calibration gas, significantly lowering operating costs.
The analyzer features a highly efficient design that achieves a rapid response time of approximately 100 seconds, enabling immediate and precise process control adjustments.
It is widely used in natural gas cracking, petrochemicals, coal chemical industries, and ferrous metallurgy (such as blast furnaces and steel ladle argon blowing) due to its robust online monitoring capabilities.
Yes, Seven Star LLC supplies Cubic products to customers in Oman and the GCC and can provide the manufacturer documentation and technical support on request.

Reviews
There are no reviews yet.