CUBIC INSTRUMENTS Gasboard-3201Plus Portable Flue Gas Analyzer
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Gasboard-3201Plus |
| Instrument Type | Portable Flue Gas Analyzer |
| Measurement Accuracy | ±0.2% FS (O₂, CO₂) |
| Response Time | T₉₀ < 30 s (O₂, SO₂, CO₂), T₉₀ < 40 s (CO, NO), T₆₀ < 30 s (SO₂) |
| Measured Gases | O₂, CO, NO, SO₂, CO₂ |
| Gas Detection Principle | Electrochemical (O₂, CO, NO, SO₂), NDIR (CO₂) |
| Operating Temperature | –5 °C to +45 °C |
| Display | 5.5-inch HD touchscreen (720 × 1280 px) |
| Battery | Rechargeable Li-ion, 3.7 V / 6400 mAh |
| Data Storage | Internal memory for 2000 measurement sets |
| Connectivity | Bluetooth 5.0 for mobile app and wireless printer |
| Compliance | Designed to support EPA Method 6C, ISO 12039, EN 15267-3, and GLP-compliant data logging with timestamped audit trail |
Overview
The CUBIC INSTRUMENTS Gasboard-3201Plus is a field-deployable, multi-parameter flue gas analyzer engineered for precision combustion diagnostics and regulatory emission verification in industrial and municipal energy systems. Built upon a hybrid sensing architecture—integrating electrochemical cells for O₂, CO, NO, and SO₂ detection with a non-dispersive infrared (NDIR) sensor for CO₂—the instrument delivers trace-level resolution and metrological stability under dynamic stack conditions. Its compact form factor (109.8 × 234.7 × 59 mm), ergonomic handheld design, and IP54-rated enclosure enable reliable operation during on-site inspections of boilers, fired heaters, reciprocating engines, and thermal oxidizers. The analyzer computes derived combustion parameters—including excess air ratio (λ), low- and high-calorific combustion efficiency, dew point-corrected O₂ concentration, and flue gas temperature—using real-time thermodynamic algorithms compliant with ISO 5167 and ASTM D6216. All measurements are synchronized with ambient pressure and differential draft (–40 to +40 inWC), ensuring thermodynamic consistency across variable chimney configurations.
Key Features
- Hybrid gas detection platform: Electrochemical sensors for O₂, CO, NO, and SO₂; dual-beam NDIR for CO₂—eliminating cross-sensitivity and enabling direct, calibration-free CO₂ quantification
- Automatic condensate management system: Integrated Peltier-cooled trap and self-draining path prevent liquid ingress into sensor chambers without manual intervention
- Real-time combustion diagnostics: On-device calculation of λ (0–999%), low-heating-value efficiency (0–100%), and high-heating-value efficiency (0–125%) with traceable uncertainty propagation
- High-fidelity environmental compensation: Simultaneous measurement of flue gas temperature (0–800 °C, ±1.4 °C @ 25 °C), static/draft pressure (±40 inWC), and ambient RH/pressure (86–115 kPa)
- Secure, auditable data workflow: Timestamped measurement logs with operator ID tagging, encrypted internal storage (2000 records), and Bluetooth 5.0 transmission supporting FDA 21 CFR Part 11–compliant electronic signatures via companion app
- Field-serviceable architecture: Hot-swappable sensor modules with factory-traceable calibration certificates; no tools required for CO₂ NDIR replacement
Sample Compatibility & Compliance
The Gasboard-3201Plus is validated for use with dry-to-moderately wet flue gases from natural gas, light fuel oil, biomass, and coal-fired combustion sources. It meets the functional requirements of EN 15267-3 (QAL1 certification framework), ISO 12039 (stationary source emissions—determination of CO, CO₂, O₂, NOₓ, SO₂), and EPA Performance Specification 2 (PS-2) for portable analyzers. Sensor linearity and drift performance comply with ASTM D6216 Annex A1 for portable combustion analyzers. The device supports GLP/GMP-aligned workflows through configurable audit trails, user-access controls, and immutable data export (CSV/Excel) with embedded metadata (GPS coordinates, operator ID, calibration expiry, sensor lot numbers).
Software & Data Management
The bundled CUBIC Connect mobile application (iOS/Android) provides remote configuration, live parameter visualization, and customizable report generation—including compliance-ready PDFs with header/footer branding, measurement uncertainty statements, and signature fields. All stored data include full metrological context: sensor response curves, temperature-compensation coefficients, and pressure-normalized volumetric flow corrections. Exported files retain EXIF-like metadata tags for forensic traceability in regulatory audits. Firmware updates are delivered over-the-air with SHA-256 integrity verification and rollback capability.
Applications
- Regulatory stack testing per EPA Method 6C, EN 14181, or local air quality ordinances
- Combustion optimization for energy-intensive facilities (cement kilns, glass furnaces, power boilers)
- Pre-commissioning and periodic maintenance of SCR/SNCR systems requiring NOₓ/NO/NO₂ speciation
- Mobile environmental inspection units conducting unannounced emissions surveillance
- R&D validation of low-NOₓ burner designs and alternative fuel blends (H₂-enriched natural gas, bio-oil)
- Academic field studies on small-scale biomass heating systems and district energy networks
FAQ
Does the Gasboard-3201Plus support automatic zero/span calibration in the field?
Yes—it features automated span-check routines using certified gas standards (e.g., 20.9% O₂ in N₂, 100 ppm CO in air) and supports user-initiated zero calibration via ambient air purge.
Can the instrument measure NO₂ directly, or only total NOₓ?
The standard configuration measures NO only; optional NO₂ electrochemical sensor module is available for direct NO₂ quantification, enabling full NOₓ (NO + NO₂) reporting per EN 14792.
Is the internal battery certified for air transport under IATA Dangerous Goods Regulations?
Yes—the 6400 mAh Li-ion battery complies with UN 3481 Section II requirements and carries full UN38.3 test certification documentation.
How is measurement uncertainty reported for derived parameters like combustion efficiency?
Uncertainty budgets are calculated per GUM (JCGM 100:2008) principles, incorporating sensor accuracy, temperature/pressure transducer tolerances, and stoichiometric coefficient variability—displayed numerically alongside each efficiency value.
What languages does the interface support beyond English and Chinese?
Full UI localization is provided for French, German, Spanish, and Portuguese, with all technical terminology aligned to ISO/IEC 17025–recommended nomenclature.
