FPI LGA Series Process Mass Spectrometry System
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Domestic (China) |
| Model | LGA Series |
| Pricing | Available Upon Request |
Overview
The FPI LGA Series Process Mass Spectrometry System is an industrial-grade online mass spectrometer engineered for real-time, multi-component gas analysis in continuous process environments. Based on quadrupole mass filter technology with electron ionization (EI), the system delivers rapid qualitative and quantitative measurement of permanent gases, light hydrocarbons, sulfur compounds, chlorinated species, and trace impurities across complex industrial gas streams. Designed for 24/7 operation under demanding plant conditions, the LGA Series integrates robust sample introduction subsystems—including heated capillary inlets, pressure-regulated flow control, and integrated gas conditioning modules—to ensure stable ion current response and long-term analytical reproducibility. Its architecture complies with ISA-84.01 and IEC 61511 functional safety guidelines for safety instrumented systems (SIS), making it suitable for deployment in hazardous area classifications (Class I, Division 1, Groups B–D per NEC/CEC).
Key Features
- Real-time multi-gas analysis with cycle times as low as 5 seconds per full spectrum (mass range: 1–100 amu or 1–200 amu, configurable)
- Quadrupole mass analyzer with <1 amu mass resolution and <0.1% relative standard deviation (RSD) repeatability for calibrated components
- Integrated gas handling system featuring temperature-controlled sampling lines (up to 180 °C), particulate filtration, moisture removal, and automatic zero/span calibration capability
- Explosion-proof enclosure (Ex d IIB T4 Gb) certified for Zone 1 installation; optional ATEX/IECEx and FM approval packages available
- Dual-mode operation: quantitative analysis via internal standard or external calibration curves; semi-quantitative screening using library-based spectral matching (NIST MS Search compatible)
- Modular design supporting field-upgradable hardware options including extended mass range detectors, high-sensitivity Faraday cup/ion counter hybrid detection, and auxiliary GC pre-separation modules
Sample Compatibility & Compliance
The LGA Series is validated for direct analysis of process gases from metallurgical off-gases, FCCU regenerator flue gas, urea synthesis purge streams, Claus tail gas, ammonia synthesis loop gas, VCM monomer purification headers, and natural gas transmission pipelines. It accommodates sample pressures from 0.1 to 5 bar(g), temperatures up to 150 °C (with optional heated probe), and total hydrocarbon concentrations ranging from sub-ppm to 100% v/v. All firmware and data acquisition protocols conform to ASTM D7165 (standard practice for online process gas chromatography/mass spectrometry), ISO 14644-1 (cleanroom air monitoring support), and USP (analytical procedure validation framework). Audit trail, electronic signatures, and user access controls align with FDA 21 CFR Part 11 requirements when configured with optional GMP-compliant software licensing.
Software & Data Management
FPI’s proprietary LGA-OS platform provides browser-based configuration, real-time spectral visualization, automated peak integration, and trend-based alarm management via OPC UA and Modbus TCP interfaces. Historical data is stored in a time-stamped SQL database with configurable retention policies (default: 90 days, extendable to 5 years). The system supports automated report generation compliant with ISO/IEC 17025 documentation standards, including raw spectra export (.mzML), calibration logs, maintenance records, and QC check summaries. Remote diagnostics and firmware updates are performed over TLS-encrypted HTTPS connections; all data transfers adhere to GDPR-compliant encryption-at-rest and in-transit protocols.
Applications
- Metallurgical process optimization: Real-time monitoring of CO, CO₂, H₂, N₂, and O₂ in blast furnace top gas and sintering exhaust for energy recovery and emissions compliance
- Petrochemical catalytic cracking: Quantification of C₁–C₅ hydrocarbons, H₂S, COS, and NH₃ in FCC flue gas to optimize regenerator temperature and catalyst activity
- Fertilizer production: Continuous analysis of NH₃, CH₄, Ar, and H₂ in synthesis loop gas to maintain optimal H₂:N₂ ratio and minimize purge losses
- Sulfur recovery units: Detection of SO₂, H₂S, COS, CS₂, and mercaptans in Claus and SCOT tail gas for sulfur conversion efficiency calculation and environmental reporting
- Chlor-alkali & vinyl chloride manufacturing: Trace-level detection of Cl₂, C₂H₂, C₂H₄, and chlorinated by-products in VCM feed and product streams per ISO 15379 specifications
- Natural gas custody transfer: Simultaneous quantification of CH₄, C₂H₆, C₃H₈, i-C₄H₁₀, n-C₄H₁₀, N₂, CO₂, and He at pipeline metering stations in accordance with AGA Report No. 8 and ISO 6976
FAQ
What sample preparation is required prior to analysis?
Minimal preparation is needed—gas streams are conditioned inline via heated filtration, pressure regulation, and moisture removal. No external GC pre-separation is mandatory unless analyzing isomeric compounds beyond quadrupole resolution limits.
Can the LGA Series interface with DCS or MES systems?
Yes. Native support for OPC UA, Modbus TCP, and 4–20 mA analog outputs enables seamless integration with distributed control systems, historian platforms (e.g., OSIsoft PI, AspenTech IP.21), and manufacturing execution systems.
Is method development supported for custom gas matrices?
Yes. The LGA-OS software includes a method editor for defining mass fragments, dwell times, calibration curves, and alarm thresholds. FPI provides application engineering support for matrix-specific method validation per ISO 80000-9 and ASTM E2655 guidelines.
What maintenance intervals are recommended for uninterrupted operation?
Ion source cleaning every 6 months (or after 5,000 operating hours); quadrupole tuning annually; calibration verification weekly using certified gas standards traceable to NIST SRMs.
Does the system meet SIL2 certification requirements?
The base LGA Series meets SIL2 per IEC 61508 when deployed with redundant sensor configurations and certified safety logic solvers; full SIL2 validation documentation is provided upon request for specific process safety loops.
