Applied Analytics OMA-300-InGaAs Process Analyzer

Overview

The Applied Analytics OMA-300-InGaAs Process Analyzer extends the OMA platform into the near-infrared region using an indium gallium arsenide (InGaAs) detector, purpose-built for continuous moisture and hydrocarbon-composition measurement in solvent, olefin, and pharmaceutical process streams. Where the UV-Vis members of the OMA family target aromatic and inorganic species, the OMA-300-InGaAs uses NIR absorbance in the 1350-2150 nm region, configurable to the specific overtone and combination bands relevant to water, hydroxyl groups, and hydrocarbon chemistry, giving process engineers a continuous alternative to slower Karl Fischer titration or laboratory moisture analysis.

With engineering support in Muscat, Seven Star LLC supplies the OMA-300-InGaAs Process Analyzer on request to petrochemical, solvent-recovery, and pharmaceutical manufacturing operations across Oman and the wider GCC, with lead time and availability confirmed at quotation. Facilities in the Sultanate of Oman requiring precise, continuous moisture or hydrocarbon-purity monitoring gain a regional partner for commissioning and ongoing technical service.

Operating Principle

The Applied Analytics OMA-300-InGaAs Process Analyzer uses a tungsten lamp light source and a SIGMA NIR spectrometer built around an InGaAs detector to capture absorbance spectra across a configurable near-infrared band, with factory options at 1350-1650 nm, 1550-1850 nm, or 1750-2150 nm depending on the target application. As with the rest of the OMA family, the measurement is grounded in the Beer-Lambert law: the concentration of moisture, a specific hydrocarbon, or another NIR-active species is calculated directly from the degree of light absorbance at its characteristic wavelength band, updated continuously rather than through discrete laboratory sampling.

The analyzer’s totally solid-state build has no moving parts in the optical path, and a 600 micron-core, 1.8 meter fiber-optic sample interface keeps the process sample fluid physically outside the analyzer’s electronic enclosure, an important safety and maintenance advantage when measuring flammable solvents, olefins, or pharmaceutical carrier fluids under process pressure. This fiber-coupled, solid-state architecture allows the OMA-300-InGaAs to sit close to the sample point while requiring minimal preventive maintenance compared with a moving-parts NIR analyzer or an off-line titration workflow.

Engineering Design of the Applied Analytics OMA-300-InGaAs Process Analyzer

The Applied Analytics OMA-300-InGaAs Process Analyzer is rated for sample pressures up to 3000 psig, and its operating temperature range spans -20 to 70°C as standard, extendable to 150°C for hot process streams such as propylene or ethylene service. The analyzer shares its core enclosure family with the rest of the OMA platform, including wall-mounted indoor/outdoor housings and hazardous-area variants suited to petrochemical and pharmaceutical solvent-recovery environments.

Electrically, the unit draws just 45 watts from universal 85-264 VAC power, and standard output is 4-20 mA analog for up to three simultaneously measured analytes, with optional Modbus TCP/IP, RS-232, RS-485, and HART digital protocols available for direct integration into a plant historian or DCS. The fiber-optic sample delivery system simplifies installation on existing sample points, since only the flow-cell hardware needs to sit at the process while the light source, spectrometer, and communications electronics remain in a more accessible location.

Key Features

The Applied Analytics OMA-300-InGaAs Process Analyzer platform is engineered around the specific demands of continuous NIR moisture and hydrocarbon analysis, and its key features include the following:

• Continuous near-infrared moisture and hydrocarbon-composition measurement using an InGaAs detector-based SIGMA spectrometer.
• Configurable wavelength range across 1350-1650 nm, 1550-1850 nm, or 1750-2150 nm to match the specific target application.
• Totally solid-state optical build with no moving parts, reducing preventive maintenance compared to mechanical NIR analyzers.
• Fiber-optic sample interface using 600 micron-core, 1.8 meter cable, keeping process fluid outside the analyzer’s electronics.
• Sample pressure rating up to 3000 psig, suiting direct installation on pressurized petrochemical and solvent streams.
• Operating temperature range of -20 to 70°C standard, extendable to 150°C for hot process service.
• Standard 4-20 mA analog outputs for up to three analytes, with optional Modbus TCP/IP, RS-232, RS-485, and HART connectivity.
• A tungsten light source suited to stable, long-term NIR spectral measurement across the analyzer’s configured range.

Industrial Applications

The Applied Analytics OMA-300-InGaAs Process Analyzer is deployed for moisture detection in solvents and propylene streams, ethylene concentration monitoring, pharmaceutical HPLC carrier-solvent verification, and acrolein purity assessment for moisture and acetaldehyde content, wherever continuous near-infrared analysis replaces slower off-line Karl Fischer titration or laboratory GC methods. Petrochemical crackers, solvent recovery units, and pharmaceutical manufacturing sites across Oman and the GCC use this class of NIR analyzer to hold moisture specification within tight tolerances that directly affect downstream catalyst life and product quality.

Backed by manufacturer datasheet documentation, Seven Star LLC distributes the OMA-300-InGaAs Process Analyzer to petrochemical, solvent-recovery, and pharmaceutical manufacturing operators throughout Oman and the GCC, including facilities in the Sohar and Salalah industrial and economic zones where olefins and specialty chemical production capacity continues to grow. Regional customers benefit from local calibration support, fiber-optic interface spares, and application engineering alongside genuine Applied Analytics hardware.

Technical Specifications

The table below summarizes the core specifications of the Applied Analytics OMA-300-InGaAs Process Analyzer, and this configuration of the Applied Analytics OMA-300-InGaAs Process Analyzer is the standard specification supplied for NIR moisture duty.

Also available: Applied Analytics OMA Chlorine Analyzer

Request a Quote for Applied Analytics OMA-300-InGaAs Process Analyzer

Petrochemical, solvent-recovery, and pharmaceutical process engineers across Oman and the GCC can request a formal quotation for the Applied Analytics OMA-300-InGaAs Process Analyzer directly from Seven Star LLC, and can confirm current Applied Analytics OMA-300-InGaAs availability and lead time, along with full technical datasheets on request and application-specific configuration guidance from our instrumentation division. Working closely with plant engineers in the region, Seven Star LLC supplies the OMA-300-InGaAs Process Analyzer with manufacturer documentation and local technical support, so contact our team today to specify the right NIR monitoring solution for your process.

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