ERASPEC ERASPEC Mid-IR Fuel Analyzer for Gasoline, Diesel, and Jet Fuel
| Brand | ERALYTICS |
|---|---|
| Origin | Austria |
| Model | ERASPEC |
| Portability | Portable |
| Detection Principle | Mid-Infrared Spectroscopy |
| Measurement Range (Octane Number) | 70–105 |
| Accuracy | ±0.1 ON |
| Analysis Time | 60 seconds |
| Sample Volume | 10 mL |
| Compliance | GB/T 33648–2017 (Illicit Additives), ASTM D6227 (Benzene), ASTM D5845 (Oxygenates) |
| Spectral Range | 631–45,890 cm⁻¹ |
| Spectral Resolution | 2 cm⁻¹ |
| Wavenumber Accuracy | < 0.01 cm⁻¹ |
| Signal-to-Noise Ratio | > 10,000:1 |
| Built-in Density Measurement | ±0.0001 g/cm³ |
| Data Storage Capacity | ~6,000 results |
| Interface Options | 5× USB, 1× Ethernet, 1× RS232, LIMS-ready |
| Power Supply | 85–264 VAC / 47–63 Hz / 70 W or 12 VDC / 8 A (vehicle power) |
| Dimensions | 290 × 350 × 340 mm |
| Weight | 9.7 kg |
Overview
The ERASPEC Mid-IR Fuel Analyzer is a portable, laboratory-grade mid-infrared spectrometer engineered for rapid, non-destructive quantitative analysis of gasoline, diesel, and jet fuel. Based on high-resolution Fourier-transform infrared (FTIR) spectroscopy in the mid-IR region (631–45,890 cm⁻¹), the system captures full spectral profiles with 2 cm⁻¹ resolution and wavenumber accuracy better than 0.01 cm⁻¹. Its optical architecture employs a permanently aligned interferometer and thermoelectrically cooled DTGS detector, ensuring long-term stability and reproducibility without warm-up time or solvent-based calibration. Designed initially for military-grade field deployment, the ERASPEC delivers lab-equivalent performance in both fixed-lab and mobile environments—including vehicle-mounted quality control at refineries, terminals, and regulatory inspection sites. It is the only mid-IR instrument validated against GB/T 33648–2017 for detection of illicit fuel additives in China and is widely deployed across Sinopec and CNPC facilities for real-time compliance monitoring.
Key Features
- Single-shot 60-second analysis for over 50 parameters—including research and motor octane numbers (RON/MON), aromatic and olefin content, benzene, toluene, methanol, ethanol, MTBE, MMT, oxygen content, and 20+ unauthorized additives (e.g., dimethyl carbonate, N-methylaniline)
- No pre-heating required; ready for measurement immediately after power-on
- Automated sample handling with integrated bubble elimination and liquid/gas cleaning cycles
- Self-referencing background correction—no external n-hexane calibration or manual baseline adjustment
- Pre-loaded, continuously updated Chinese fuel spectral database covering regional refinery blends, reformulated fuels, and additive-treated batches
- Modular hardware design supporting future expansion to unified gasoline–diesel–jet fuel analysis mode
- Industrial-grade 8.4-inch capacitive touchscreen with full Chinese GUI, optimized for glove-compatible operation in field conditions
- Robust mechanical housing (IP54-rated enclosure), shock-absorbing chassis, and dual-power capability (AC mains or 12 VDC vehicle supply)
Sample Compatibility & Compliance
The ERASPEC accepts neat liquid hydrocarbon samples with minimal preparation—only 10 mL required per analysis. It is validated for use with unleaded gasoline, oxygenated blends (E10, E15, MTBE-modified), low-sulfur diesel, aviation turbine fuel (Jet A-1), and biodiesel blends up to B20. Method equivalence has been demonstrated against reference ASTM procedures: benzene quantification per ASTM D6227, oxygenate analysis per ASTM D5845, and octane rating correlation per ASTM D2699/D2700. The instrument fully supports GLP-compliant workflows, including electronic signature support, audit-trail logging, and user-access-level controls aligned with FDA 21 CFR Part 11 requirements. Its firmware and spectral library are maintained under ISO/IEC 17025-aligned change control protocols, and all validation reports—including linearity, repeatability (RSD < 0.3% for ON), and intermediate precision—are available upon request.
Software & Data Management
The embedded ERASPEC Analytical Suite runs on a real-time Linux OS and provides complete method lifecycle management—from spectral acquisition and multivariate calibration (PLS, PCR, MLR) to result reporting and trend analytics. All spectra are stored with full metadata (operator ID, timestamp, ambient temperature/humidity, instrument status). Data export is supported via USB mass storage (CSV, PDF, XML), network transfer (SFTP, HTTP POST), or direct LIMS integration through ASTM E1394 or ASTM E2500-compliant drivers. The system logs every user action—including method edits, calibration updates, and result overrides—with immutable timestamps and digital signatures. Up to 6,000 measurement records are retained onboard; older entries auto-archive to external media. Remote diagnostics and firmware updates are performed securely over HTTPS with TLS 1.2 encryption.
Applications
- Real-time quality assurance during gasoline blending operations—detecting off-spec batches before tank dispatch
- Regulatory enforcement testing at fuel retail outlets and border checkpoints per GB/T 33648–2017
- In-process monitoring of catalytic reformer and alkylation unit outputs
- Verification of oxygenate and metal-based additive (e.g., MMT) concentrations in accordance with national fuel specifications
- Forensic identification of adulterants in suspected substandard or counterfeit fuel
- Supporting R&D of next-generation biofuels and synthetic hydrocarbons through compositional fingerprinting
- Mobile lab deployments for emergency response teams assessing fuel contamination post-incident
FAQ
Does the ERASPEC require daily calibration with certified reference standards?
No. The instrument uses an internal reference cavity and real-time background subtraction. Periodic verification (e.g., weekly) with traceable octane standards is recommended but not mandatory for routine operation.
Can the system analyze diesel and jet fuel without hardware modification?
Yes—via software license upgrade. The base ERASPEC platform is field-upgradable to multi-fuel mode using validated chemometric models for cetane number, distillation endpoints, and aromatic content in diesel and jet fuel.
Is spectral data export compatible with third-party chemometrics platforms?
Yes. Raw interferograms and absorbance spectra are exportable in JCAMP-DX format. Calibration models can be exported as PMML or MATLAB .mat files for external validation or model refinement.
How is measurement traceability maintained across instrument fleets?
Each unit ships with NIST-traceable wavelength and photometric calibration certificates. Inter-instrument transferability is ensured through proprietary spectral alignment algorithms and cross-platform model harmonization protocols.
What cybersecurity measures are implemented for network-connected units?
The device supports IEEE 802.1X authentication, encrypted firmware signing, disabled default accounts, configurable firewall rules, and optional FIPS 140-2 compliant cryptographic modules for government deployments.

