CUBIC INSTRUMENTS Gasboard-9805 Portable Emissions Measurement System (PEMS)

Overview

The CUBIC INSTRUMENTS Gasboard-9805 is a fully integrated, portable emissions measurement system (PEMS) engineered for real-world driving emissions (RDE) testing of light- and heavy-duty motor vehicles. Designed in strict alignment with global regulatory frameworks—including EU Regulation (EU) 2016/427, (EU) 2016/646, (EU) 2017/1151, U.S. EPA 40 CFR Part 1065, and China’s GB 18352.6–2016—the Gasboard-9805 delivers traceable, metrologically sound measurements under dynamic on-road conditions. Its architecture employs multiple validated physical detection principles: non-dispersive infrared (NDIR) for CO and CO₂; non-dispersive ultraviolet (NDUV) spectroscopy for NO and NO₂; heated flame ionization detection (HFID) for total hydrocarbons (THC); electrochemical or tunable diode laser absorption spectroscopy (TDLAS) for NH₃ and N₂O; and corona-based particle charging coupled with a condensation particle counter (CPC) for particulate number (PN) concentration down to 10 nm or 23 nm cutoff diameters. Simultaneous acquisition of exhaust mass flow (via calibrated thermal-mass or differential pressure sensor), exhaust temperature, GPS geolocation, ambient meteorological parameters (pressure, humidity, temperature), and vehicle OBD-II data enables full compliance with RDE boundary condition monitoring and trip validity assessment per Annex II of Commission Regulation (EU) No 2017/1151.

Key Features

• Modular, plug-and-play subsystem architecture—enables flexible configuration for RDE certification, in-use conformity (IUC) audits, engine development, and aftertreatment R&D.
• Compact, lightweight mechanical design (<12 kg system weight) with IP65-rated enclosure and MIL-STD-810G-compliant shock/vibration resistance—validated for continuous operation on rough roads, steep gradients, and extreme thermal cycling.
• Integrated lithium-ion battery pack supporting ≥8 hours of uninterrupted measurement at full channel load—eliminates reliance on vehicle auxiliary power during extended test cycles.
• Onboard real-time calculation engine compliant with UN GTR 15 and EU RDE post-processing algorithms—automatically computes distance-weighted, speed-binned, and cold-start-adjusted cumulative emissions (g/km).
• Full traceability via embedded audit trail: time-stamped raw sensor outputs, calibration history, environmental metadata, and firmware version logs—all stored in ISO/IEC 17025-aligned binary format.
• Self-diagnostic routines including zero/span verification, leak detection, flow path integrity checks, and sensor health monitoring—generating automated alerts for out-of-specification conditions.

Sample Compatibility & Compliance

The Gasboard-9805 supports direct sampling from tailpipe, dilution tunnel (CVS), or raw exhaust ducts using heated sample lines (191 °C) and particulate conditioning systems (e.g., catalytic stripper for volatile removal). It meets critical regulatory requirements for measurement uncertainty, drift control, and cross-sensitivity mitigation as specified in ISO 20785:2017 (RDE instrumentation), ISO 16183:2002 (THC), ISO 11439:2020 (PN), and SAE J1667 (OBD interface). All gas analyzers are factory-calibrated against NIST-traceable standards; calibration certificates include expanded uncertainty (k=2) statements per ISO/IEC 17025. The system satisfies FDA 21 CFR Part 11 requirements for electronic records and signatures when deployed with optional secure software lockout and user-role access control.

Software & Data Management

The Gasboard-9805 operates with CUBIC’s proprietary PEMS Control Suite v4.x—a Windows-based application enabling test plan definition, real-time dashboard visualization, automated report generation (PDF/CSV/XML), and export to standard formats including AVL PUMA Open, Horiba MEXA-Soft, and EU RDE database schemas. Raw data files adhere to ASAM MCD-2 MC (ASAM ASAP2) conventions for interoperability with third-party analysis tools (MATLAB, Python Pandas, AVL Cruise). Audit trails are cryptographically signed and timestamped using onboard hardware security module (HSM), ensuring GLP/GMP-compliant data integrity throughout the instrument lifecycle. Optional cloud synchronization provides remote diagnostics, over-the-air firmware updates, and centralized fleet-level emissions analytics.

Applications

• RDE type-approval testing for passenger cars, vans, and light commercial vehicles under EU, U.S., Chinese, and Indian regulatory regimes.
• In-use conformity (IUC) inspections conducted by national authorities or independent testing laboratories.
• Powertrain calibration support—real-time feedback for ECU parameter optimization across transient drive cycles (WLTC, US06, SC03, Artemis).
• Aftertreatment system validation—including SCR, DOC, DPF, and GPF efficiency evaluation under real-world thermal and chemical loading conditions.
• Low-emission zone (LEZ) and ultra-low-emission zone (ULEZ) enforcement support via mobile roadside screening units.
• Academic and governmental research into urban air quality modeling, emission factor derivation, and climate-relevant pollutant speciation (e.g., N₂O, NH₃).

FAQ

What regulatory standards does the Gasboard-9805 comply with for RDE testing?
It fulfills the technical specifications of EU Regulations (EU) 2016/427, (EU) 2016/646, and (EU) 2017/1151, U.S. EPA 40 CFR Part 1065, and China’s GB 18352.6–2016, including mandatory requirements for measurement uncertainty, response time, drift, and data logging resolution.
Can the system measure both gaseous pollutants and particulate number simultaneously?
Yes—it acquires CO, CO₂, NO, NO₂, NOₓ, O₂, THC, NH₃, N₂O, and PN (≥10 nm or ≥23 nm) concurrently, with synchronized timestamps and aligned sampling intervals per ISO 20785:2017 Clause 6.3.
Is the Gasboard-9805 suitable for heavy-duty vehicle testing?
Yes—the exhaust flow meter supports up to 2000 kg/h, and the thermal robustness (–10 to +45 °C ambient, 500 °C exhaust temp) ensures stable performance across Class 7/8 truck duty cycles.
How is data integrity ensured during long-duration field tests?
All measurements are logged with microsecond-resolution UTC timestamps; raw sensor values, diagnostic flags, and environmental metadata are stored in tamper-evident binary containers with SHA-256 hashing and HSM-signed digital signatures.
Does the system support remote firmware updates and diagnostics?
With optional cloud connectivity enabled, users can perform secure OTA firmware upgrades, initiate remote calibration verification, and retrieve live health status reports without physical site access.