MKS MG6030 Fourier Transform Infrared (FTIR) Online Gas Analyzer
| Brand | MKS |
|---|---|
| Origin | USA |
| Model | MG6030 |
| Instrument Type | Online FTIR Spectrometer |
| Wavenumber Range | 10 ppb to 100% (gas-phase concentration) |
| Spectral Resolution | 0.5–128 cm⁻¹ |
| Scan Speed | 5 scans/sec at 0.5 cm⁻¹ |
| Detector | Liquid-nitrogen-cooled or thermoelectrically cooled MCT (HgCdTe) |
| Optical Path Length | 5.11 m |
| Purge Gas | Dry N₂ or CO₂-free air (dew point < −70 °C), flow rate 0.2 L/min |
| Pressure Sensor | MKS Baratron® capacitance manometer |
| Sample Temperature Range | Ambient to 200 °C |
| Sample Flow Rate | 0.2–10 L/min |
| Sample Pressure Range | 0.01–4 atm |
| Enclosure Material | Nickel-plated aluminum or 316 stainless steel |
| Weight | 50 kg |
| Dimensions | 445 mm (W) × 318 mm (H) × 648 mm (D) |
| Power | 110/220 VAC, 50/60 Hz, 3 A |
Overview
The MKS MG6030 Fourier Transform Infrared (FTIR) Online Gas Analyzer is a high-performance, process-integrated spectroscopic instrument engineered for real-time, multi-component quantitative analysis of industrial and environmental gas streams. Based on Michelson interferometry and calibrated against NIST-traceable reference spectra, the MG6030 employs a patented 2102 FTIR spectrometer core with a stabilized HeNe laser (15798.2 cm⁻¹) for precise wavenumber referencing. Its optical design features a high-throughput, heated sampling cell (5.11 m path length) and a liquid-nitrogen-cooled or thermoelectrically cooled mercury cadmium telluride (MCT) detector, enabling sub-ppb detection limits for over 30 target analytes—including NH₃, CO, CO₂, NO, NO₂, SO₂, HCl, CH₄, SiF₄, CF₄, H₂CO, and N₂O—without reliance on external calibration gas cylinders. The system operates across a broad dynamic range (10 ppb to 100% v/v), accommodates gas streams containing up to 40% water vapor, and delivers spectral resolution adjustable from 0.5 to 128 cm⁻¹—optimized for either high sensitivity (low resolution) or fine spectral discrimination (high resolution). Designed for continuous operation in semiconductor fab environments, combustion exhaust monitoring, and EPA-regulated emissions reporting, the MG6030 meets engineering requirements for long-term baseline stability, thermal drift compensation, and reproducible quantification under variable pressure and temperature conditions.
Key Features
- Real-time simultaneous quantification of up to 30 gases using embedded, factory-calibrated spectral libraries—eliminating need for routine span gas validation
- Patented linear MCT detector architecture ensuring consistent photometric response and inter-unit calibration traceability
- Integrated temperature- and pressure-compensated quantification algorithms compliant with ASTM D6348 and ISO 12039 methodologies
- Heated, thermostatically controlled sample interface (up to 200 °C) preventing condensation and adsorption losses in humid or reactive streams
- Automated diagnostic routines including laser frequency stability monitoring, mirror alignment verification, and purge integrity checks
- Ruggedized 19-inch rack-mount enclosure constructed from nickel-plated aluminum or electropolished 316 stainless steel for cleanroom and hazardous-area deployment
- Configurable optical windows (KBr, CaF₂, ZnSe) and Viton® or Kalrez® sealing options for chemical compatibility across aggressive process environments
Sample Compatibility & Compliance
The MG6030 is validated for direct analysis of undiluted, unfiltered gas matrices containing water vapor (≤40% v/v), particulates (with optional inline filter), and corrosive species (e.g., HCl, HF, Cl₂). Its heated sampling train and inert wetted-path materials minimize memory effects and surface reactivity. The analyzer conforms to IEC 61000-6-2/6-4 for electromagnetic compatibility and carries CE marking for industrial use. For regulated applications, raw spectral data and processed concentration outputs support 21 CFR Part 11-compliant audit trails when paired with MKS SpectraSuite™ software configured with electronic signatures and role-based access control. Calibration stability is verified per ISO/IEC 17025 guidelines, with documented uncertainty budgets available for each target compound under specified operating conditions (T = 25–200 °C, P = 0.01–4 atm).
Software & Data Management
The MG6030 operates with MKS SpectraSuite™—a Windows-based application supporting method development, spectral library management, real-time trend visualization, and automated report generation. All spectral acquisitions are stored in HDF5 format with embedded metadata (time stamp, pressure, temperature, interferogram SNR, purge status). Quantitative results are exportable via XML, Modbus TCP, or 4–20 mA analog output; optional OPC UA integration enables seamless connectivity to DCS and MES platforms. Software includes GLP/GMP-ready features: user authentication, change logs, electronic lab notebook (ELN) export, and configurable alarm thresholds with event-triggered data capture. Remote diagnostics and firmware updates are supported via secure HTTPS interface.
Applications
- Continuous emissions monitoring (CEMS) for stack gases per EPA Methods 320 and PS-15
- In-line purity verification of bulk and specialty gases (e.g., NF₃, WF₆, SiH₄) in semiconductor manufacturing
- Process optimization and fault detection in catalytic reforming, ammonia synthesis, and FCC units
- Environmental monitoring of landfill gas, biogas upgrading, and fugitive VOC emissions
- Verification of SCR/SNCR system performance via NH₃ slip and NOₓ reduction efficiency calculation
- Research-grade kinetic studies requiring time-resolved, multi-analyte IR absorption kinetics
FAQ
Does the MG6030 require daily calibration gas injections?
No—factory-loaded spectral libraries and built-in laser wavelength stabilization eliminate routine span gas use. Periodic verification (e.g., quarterly) with certified standards is recommended for regulatory compliance.
Can the MG6030 operate in high-humidity exhaust streams without condensation artifacts?
Yes—the entire optical path and sample cell are actively heated and temperature-controlled, and the system tolerates up to 40% water vapor without signal degradation or window fogging.
Is the detector cryogen-free?
Thermoelectrically cooled MCT options are available for unattended operation; liquid nitrogen cooling is offered for ultra-low-noise applications requiring maximum sensitivity at 0.5 cm⁻¹ resolution.
What spectral libraries are included out-of-the-box?
Standard libraries cover >30 compounds including permanent gases, acid gases, hydrocarbons, and fluorinated species. Custom libraries can be developed using MKS-provided spectral acquisition tools and reference standards.
How is data integrity ensured during power interruption or network failure?
Onboard non-volatile memory buffers up to 72 hours of high-frequency spectral data (1 Hz), and all critical configuration parameters are retained in EEPROM with battery-backed RTC.
