AGC NovaCHROM 1000 High-Purity Hydrogen Analysis Gas Chromatograph
| Brand | AGC |
|---|---|
| Origin | Ireland |
| Model | NovaCHROM 1000 DID |
| Instrument Type | Laboratory Gas Chromatograph |
| Application | Dedicated to High-Purity Hydrogen Analysis |
| Temperature Control Range | +5 °C to 450 °C |
| Oven Ramp Rate | 0.1–40 °C/min (0.1 °C increments) |
| Cool-down Time | ~5 min (300 °C to 50 °C) |
| Carrier Gas Flow Range & Control | 0–500 mL/min |
| Carrier Gas Pressure Range & Control | 0–700 kPa |
| Injector Maximum Operating Temperature | 450 °C |
| Injector Pressure Setpoint Range | 0–700 kPa |
| Injector Total Flow Setpoint Range | 10–500 mL/min |
| Detector | Helium Ionization Detector (DID) |
| DID Measurement Range | ppb to % level |
| DID Accuracy | ±1% of full-scale reading |
| DID Operating Temperature | 30–45 °C |
| Ambient Operating Temperature | 10–30 °C |
| DID Response Time (90%) | 0.5 s |
| DID Warm-up Time | 60 min |
| Display | 6.5″ color LCD with LED backlight and resistive touchscreen |
| Carrier Gas | Ultra-high-purity helium (He, N6.0), 20–60 mL/min |
| Sample Gas Flow | 10–500 mL/min (recommended: 200 mL/min) |
| Drive Gas | Clean, dry air at 300 kPa (3 bar) |
| Electronic Gas Control | 5–10 bar input → 0–5 bar regulated output |
| Standard Fittings | 1/8″ stainless steel Swagelok® and VCR |
| Output Signal | 0–1 V analog |
| Alarm Outputs | Detector, system, flow, maintenance, temperature, pressure |
| Data Interface | TrendVision PLUS with 4–20 mA, Profibus, Modbus, RS-485 |
| Power Supply | 220 V AC |
| Dimensions (W×H×D) | 483 mm × 219 mm × 564 mm (19″ rack, 5U) |
| Weight | 25 kg |
Overview
The AGC NovaCHROM 1000 High-Purity Hydrogen Analysis Gas Chromatograph is a purpose-built laboratory GC engineered for trace-level impurity quantification in ultra-high-purity hydrogen streams—critical for proton exchange membrane (PEM) fuel cell certification, semiconductor process gas qualification, and hydrogen energy infrastructure validation. Based on AGC’s legacy 100-series platform and refined over five decades of gas analysis expertise, the NovaCHROM 1000 employs capillary gas chromatography coupled with a helium ionization detector (DID) operating on the principle of metastable helium atom-induced ionization. This physical detection mechanism delivers exceptional sensitivity (sub-ppb detection limits) and linear dynamic range spanning six orders of magnitude (ppb to percent levels), without reliance on radioactive sources or flame chemistry. The instrument’s architecture integrates dual independent column oven zones, enabling simultaneous separation of permanent gases (O₂, N₂, CH₄, CO, CO₂, Ar) and hydrocarbons (C₁–C₃) under precisely decoupled thermal profiles—essential for resolving co-eluting species in complex H₂ matrices.
Key Features
- Helium Ionization Detector (DID) with ±1% full-scale accuracy, 0.5 s response time (90%), and 30–45 °C operational stability—optimized for repeatable quantitation of inert and reactive impurities in hydrogen
- Dual-zone, independently programmable column ovens supporting multi-column, multi-method analysis within a single run; each zone maintains temperature uniformity ±0.1 °C across its entire volume
- Full electronic pneumatic control (EPC) for carrier gas (He), sample gas, and drive gas—enabling precise, reproducible flow and pressure regulation (0–700 kPa, 0–500 mL/min) with digital setpoint resolution to 0.1 kPa and 0.1 mL/min
- Integrated dual-stage regenerable purifier cartridge system for continuous removal of moisture, oxygen, and hydrocarbon contaminants from carrier and sample streams—extending column lifetime and reducing baseline drift
- 19″ rack-mountable (5U) chassis with front-access service design, compatible with centralized DCS/SCADA integration via 4–20 mA, Profibus DP, or Modbus RTU over RS-485
- Self-diagnostic alarm architecture monitoring detector status, column oven integrity, gas flow consistency, temperature deviation, pressure anomalies, and scheduled maintenance intervals—log entries timestamped and exportable per GLP requirements
Sample Compatibility & Compliance
The NovaCHROM 1000 is validated for analysis of hydrogen gas meeting ISO 8573-1 Class 1 (≤0.1 µm particles), ASTM D7652 (hydrogen purity for fuel cells), and SEMI F63 (electronic-grade H₂). It accommodates inlet pressures up to 700 kPa and sample flow rates from 10 to 500 mL/min—enabling direct connection to high-pressure cylinder manifolds or low-flow purge-and-trap interfaces. All wetted parts are electropolished 316L stainless steel or VCR-sealed components compliant with ASME B31.3 and PED 2014/68/EU. The system supports audit-ready operation under FDA 21 CFR Part 11 when paired with validated TrendVision PLUS software, including electronic signatures, role-based access control, and immutable audit trails for all method changes, calibration events, and result exports.
Software & Data Management
TrendVision PLUS serves as the embedded and PC-based control and data acquisition platform. It provides real-time chromatogram visualization, automated peak integration using ISO 17025-compliant algorithms (tangent skim, perpendicular drop), and customizable reporting templates aligned with ISO/IEC 17025, USP , and ICH Q2(R2) guidelines. Raw data files (.tdf) are stored with embedded metadata (operator ID, method version, instrument serial, calibration certificate reference), and support export to CSV, PDF, or LIMS-compatible XML formats. System suitability tests—including retention time repeatability (RSD ≤0.1%), peak area precision (RSD ≤1.0%), and resolution between critical pairs (e.g., O₂/N₂ ≥2.5)—are automatically calculated and logged. Firmware updates are delivered via signed binary packages with SHA-256 verification to ensure integrity and traceability.
Applications
- Quantitative analysis of impurities in PEM fuel cell hydrogen per SAE J2719 and ISO 14687-2: H₂O, O₂, N₂, CH₄, CO, CO₂, Ar, He, total hydrocarbons (THC), and formaldehyde
- Process gas monitoring in hydrogen production facilities (electrolysis, steam methane reforming) and purification units (PSA, membrane separation)
- Electronic specialty gas certification for semiconductor CVD, etching, and annealing processes requiring H₂ purity ≥99.99999% (7N)
- Hydrogen refueling station quality assurance per ISO 14687-3 and EU Directive 2014/94/EU
- Research applications in catalytic hydrogenation kinetics, isotopic H/D exchange studies, and hydride formation thermodynamics
FAQ
What carrier gas is required for the DID detector?
Ultra-high-purity helium (He, minimum grade N6.0, i.e., 99.9999% pure) at a controlled flow of 20–60 mL/min is mandatory for stable DID operation.
Can the NovaCHROM 1000 analyze both permanent gases and hydrocarbons in one run?
Yes—using its dual independently heated column ovens and configurable valve sequencing, it separates O₂/N₂/Ar/CH₄/CO/CO₂ on a molecular sieve 5Å column while simultaneously resolving C₂H₆/C₃H₈ on a PLOT Al₂O₃ column.
Is remote diagnostics and firmware update supported?
Yes—via secure Ethernet connection, TrendVision PLUS enables remote troubleshooting, real-time parameter monitoring, and cryptographically signed firmware deployment with rollback capability.
How often does the DID require recalibration?
Under routine use with certified standard gas mixtures, calibration verification is recommended every 72 hours; full multi-point calibration is performed quarterly or after major maintenance.
Does the system comply with explosion-proof requirements for hazardous area installation?
The base NovaCHROM 1000 is rated for Zone 2/Class I Div 2 environments; optional ATEX/IECEx-certified variants with intrinsically safe signal conditioning are available upon request.
