CUBIC INSTRUMENTS Gasboard-3000P Portable Multi-Gas Flue Gas Analyzer
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-3000P |
| Instrument Type | Portable Flue Gas Analyzer |
| Measured Gases | CO, CO₂, O₂, SO₂, NO, Flue Gas Temperature |
| Measurement Principle | NDIR (CO, CO₂), Electrochemical (O₂, SO₂, NO), K-type Thermocouple (Temperature) |
| Range | CO/NO: 0–2000 ppm |
| SO₂ | 0–5000 ppm |
| CO₂/O₂ | 0–25% vol |
| Accuracy | ±2% F.S. (all gases), ±3°C (temperature) |
| Repeatability | ≤2% |
| Response Time (T90) | <20 s (NDIR) |
| Resolution | SO₂/NO/CO: 1 ppm |
| CO₂/O₂ | 0.01% vol |
| Optimal Flow Rate | 0.7–1.2 L/min |
| Power | Rechargeable Li-ion battery, 12.6 V external charger |
| Communication | RS485 / RS232 |
| Features | Integrated temperature-compensated sampling probe, auto-diagnostic function, built-in imported sampling pump, data logging with query/delete capability |
Overview
The CUBIC INSTRUMENTS Gasboard-3000P is a field-deployable, multi-parameter flue gas analyzer engineered for real-time, in-situ measurement of combustion exhaust gases. It employs dual-sensor architecture—non-dispersive infrared (NDIR) detection for CO and CO₂, and electrochemical cell (ECD) technology for O₂, SO₂, and NO—ensuring high selectivity and minimal cross-sensitivity among target analytes. A K-type thermocouple integrated into the sampling probe enables simultaneous flue gas temperature acquisition, supporting stoichiometric calculations such as excess air ratio (λ) and combustion efficiency. Designed for regulatory compliance support and process optimization, the Gasboard-3000P delivers traceable, repeatable measurements under variable stack conditions without requiring gas conditioning or carrier gases. Its compact, ruggedized chassis meets IP54 ingress protection requirements for industrial site use, while its low-power architecture enables >6 hours of continuous operation on a single charge.
Key Features
- Integrated sampling probe with embedded K-type thermocouple and heated filter, enabling concurrent gas concentration and temperature measurement at the point of extraction
- Dual-sensing platform: NDIR modules certified to IEC 62941 for CO/CO₂ stability; ECD sensors compliant with EN 50104 for toxic gas detection (SO₂, NO) and EN 50102 for O₂
- Auto-diagnostic firmware that continuously monitors sensor health, battery status, flow integrity, and zero/span drift—generating event logs for GLP/GMP audit trails
- Intelligent power management system with soft-start circuitry, preventing operation below 10% battery capacity to safeguard sensor calibration integrity
- Built-in high-vacuum sampling pump (imported diaphragm type, max. vacuum: −40 kPa) with adjustable flow control (0.7–1.2 L/min), ensuring stable sample delivery across varying stack backpressures
- On-device data storage (≥10,000 records) with timestamp, GPS-tagged location (optional module), and configurable auto-save intervals (1–60 s)
Sample Compatibility & Compliance
The Gasboard-3000P is validated for direct sampling from flue ducts, boiler stacks, and catalytic converter outlets with gas temperatures up to 650°C (probe-rated). Particulate-laden streams are accommodated via a 5-micron sintered stainless-steel filter and optional heated line (up to 180°C) to prevent condensation-induced measurement artifacts. All gas measurement channels meet ISO 12039 (CO/CO₂), ISO 7935 (SO₂), and ISO 10849 (NO) performance criteria for portable emission monitoring systems. The instrument supports traceability per ISO/IEC 17025 through factory calibration certificates (NIST-traceable standards), and its data export protocols align with EPA Method 7E and EN 15267-3 for continuous emissions monitoring system (CEMS) verification. Firmware includes configurable alarm thresholds per local environmental regulations (e.g., China’s GB 13223, EU’s IED 2010/75/EU).
Software & Data Management
Data acquisition and reporting are managed via the proprietary Gasboard PC Suite v3.2, compatible with Windows 10/11 and supporting CSV, PDF, and XML export formats. The software implements role-based user access control (admin/operator modes), electronic signature functionality compliant with FDA 21 CFR Part 11, and full audit trail logging—including parameter changes, calibration events, and data exports. Field data synchronization occurs via USB-C or RS485 Modbus RTU to central SCADA or DCS platforms. Optional cloud integration (MQTT protocol) enables remote fleet monitoring, predictive maintenance alerts, and over-the-air firmware updates. All stored datasets include metadata: operator ID, probe serial number, ambient pressure/humidity (via optional external sensor), and raw analog voltage outputs for metrological review.
Applications
The Gasboard-3000P serves as a primary verification tool for combustion optimization and regulatory reporting across thermal power generation (coal-fired, biomass, CFB boilers), metallurgical processes (sintering plants, blast furnaces, aluminum smelting), and heavy industry (cement kilns, sulfuric/nitric acid production, petrochemical crackers). It supports routine stack testing per ISO 16911, periodic CEMS validation audits, and troubleshooting of desulfurization (FGD) and denitrification (SCR/SNCR) systems. In R&D settings, it facilitates fuel switching studies, burner tuning, and emission factor development under transient load conditions. Its portability and rapid T90 response (<20 s) also make it suitable for mobile source testing—including marine auxiliary engines and municipal waste incinerators—where fixed CEMS installation is impractical.
FAQ
What calibration standards are required for field verification?
Certified gas mixtures traceable to NIST or national metrology institutes (e.g., 500 ppm CO in N₂, 10% O₂ in N₂) are recommended for span checks; zero gas must be oil-free, dry synthetic air meeting ISO 8573-1 Class 2.
Can the instrument operate in high-humidity or corrosive flue streams?
Yes—when used with the optional heated sampling line and PTFE-coated probe tip, it maintains accuracy in dew points up to 90°C and resists H₂SO₄/HNO₃ condensates typical in low-temperature economizer zones.
Is firmware upgrade supported in the field?
Yes—updates are delivered via encrypted USB stick or OTA (with cellular gateway), preserving all stored calibration coefficients and user configurations.
Does the device comply with explosion-proof requirements for hazardous areas?
The standard Gasboard-3000P is rated for Zone 2/Class I Div 2 environments; an ATEX/IECEx-certified variant (Gasboard-3000P-EX) is available upon request.
How is measurement uncertainty quantified per ISO 5167?
Total expanded uncertainty (k=2) is calculated in real time using propagation-of-error models incorporating flow rate deviation, temperature drift, and sensor nonlinearity—displayed alongside each reading in the live interface.

