Thermo Scientific MIRAN SapphIRe Portable FTIR Gas Analyzer

Overview

The Thermo Scientific MIRAN SapphIRe Portable FTIR Gas Analyzer is a field-deployable, mid-infrared (MIR) spectrometer engineered for real-time, multi-component gas quantification in ambient and process environments. Unlike single-gas electrochemical or NDIR sensors, the SapphIRe employs a proprietary linear variable filter (LVF)-based interferometer architecture operating across 7.7–14.1 µm — a spectral region rich in fundamental vibrational absorption bands for organic and inorganic gases. Coupled with seven fixed-bandpass interference filters (1.8, 3.3, 3.6, 4.0, 4.2, 4.5, and 4.7 µm), the system delivers high selectivity for overlapping analytes without mechanical moving parts. Its optical path length of 0.5 m and 2.23 L sample cell enable sub-ppm detection limits for key toxicants (e.g., CO, formaldehyde, benzene, phosgene) while maintaining robustness under vibration, temperature fluctuation, and humidity common in industrial and emergency response settings. Designed to meet ISO 12039, ASTM D6348, and EPA Method 320 requirements for open-path and extractive IR analysis, the SapphIRe supports regulatory-compliant monitoring without laboratory-grade infrastructure.

Key Features

• Field-portable design: Weighing approximately 10 kg with integrated NiCd battery (7.2 V, 5.7 Ah), delivering up to 4 hours of continuous operation and rechargeable in 4–6 hours
• Multi-gas capability: Pre-loaded calibration libraries for up to 120 gases (XL model), 50 gases (SL model), or user-defined subsets (DL model), covering VOCs, acid gases, anesthetics, and combustion byproducts
• Rapid analysis cycle: Full spectral acquisition and quantification completed within 20 seconds to 3 minutes post-power-on; 90% response time ≤18 s
• Robust optical architecture: No moving mirrors or gratings — LVF-based wavelength selection ensures long-term stability and minimal drift
• Configurable alarm system: User-definable threshold alerts with visual (LCD) and audible outputs, traceable to internal audit logs
• Integrated sampling: Built-in 15 L/min diaphragm pump with particulate and moisture filtration options for direct-stack or ambient air draw

Sample Compatibility & Compliance

The MIRAN SapphIRe accommodates gaseous samples ranging from clean indoor air to humidified industrial exhaust streams. It is validated for use with undiluted, non-corrosive, non-condensing gas matrices at ambient temperatures (0–40 °C) and relative humidity ≤85% non-condensing. Sample introduction is via standard ¼” Swagelok fittings compatible with Tedlar® tubing, heated lines (optional), and certified zero-air sources. The analyzer complies with IEC 61000-6-2 (EMC immunity) and IEC 61000-6-3 (EMC emissions). Data integrity meets FDA 21 CFR Part 11 requirements when paired with optional Thermo Scientific TraceFinder™ software, supporting electronic signatures, audit trails, and secure user access controls aligned with GLP/GMP workflows.

Software & Data Management

The embedded firmware provides on-device data logging (up to 10,000 spectra), real-time concentration trending, and customizable report templates exportable via USB or RS-232. Optional PC-based Thermo Scientific TraceFinder™ software enables advanced spectral deconvolution, library matching against NIST/EPA reference databases, and automated compliance reporting per OSHA PELs, ACGIH TLVs®, and WHO air quality guidelines. All raw interferograms and processed spectra are stored with timestamped metadata, instrument configuration, and operator ID — ensuring full traceability for regulatory submissions and third-party audits.

Applications

• Occupational health & safety: Real-time monitoring of workplace exposure to CO, benzene, formaldehyde, and halogenated anesthetics per OSHA 1910.1200 and EU Directive 2004/37/EC
• Emergency response: Rapid identification and quantification of hazardous release events involving HCN, Cl₂, NH₃, or volatile organics during hazmat incidents
• Indoor air quality (IAQ): On-site assessment of CO₂, CO, NO₂, and total VOCs in schools, hospitals, and commercial buildings per ASHRAE Standard 62.1
• Healthcare facility safety: Leak detection in anesthesia delivery systems, waste gas scavenging verification, and OR air quality validation
• Environmental compliance: Stack testing for regulated pollutants including SO₂, NO, CH₄, and NMHCs under EPA Methods 320 and 321
• Laboratory fume hood verification: Quantitative evaluation of containment efficiency and breakthrough concentrations per ANSI/AIHA Z9.5

FAQ

Does the MIRAN SapphIRe require daily calibration?
No — factory-calibrated spectral libraries remain stable for ≥6 months under normal field use; quarterly verification with certified span gas is recommended per ISO 17025.

Can the instrument detect gases not included in the default library?
Yes — users may import custom absorption cross-sections and generate new calibrations using supplied spectral modeling tools and reference gas standards.

Is the battery pack replaceable in the field?
Yes — the NiCd module is user-serviceable with standard Torx tools; replacement kits include recalibration certificates traceable to NIST.

What maintenance is required for the optical system?
The LVF optics are sealed and require no alignment; routine maintenance includes filter replacement (every 6 months) and pump diaphragm inspection per 500 operating hours.

How is data security ensured during remote transmission?
When connected via optional Ethernet/WiFi module, all communications are encrypted using TLS 1.2; local storage uses AES-256 encryption compliant with FIPS 140-2 Level 1.