Hydrogen-Air Integrated Gas Generator HA-300
| Hydrogen purity | 99.999% |
|---|---|
| Hydrogen flow rate | 0–300 mL/min |
| Hydrogen output pressure | 0.4 MPa |
| Air flow rate | 0–2000 mL/min |
| Air output pressure | 0.4 MPa |
| Power consumption | 275 W |
| Dimensions (W×D×H) | 470 × 260 × 380 mm |
| Net weight | ~28 kg |
Overview
The HA-300 Hydrogen-Air Integrated Gas Generator is an engineered solution for laboratories requiring reliable, on-demand supply of high-purity hydrogen and compressed air for gas chromatography (GC) and related analytical instrumentation. Designed specifically to replace high-pressure gas cylinders, this integrated generator produces hydrogen via proton exchange membrane (PEM) electrolysis and clean, oil-free air via a dual-stage compression and filtration system. The unit operates continuously under ambient conditions, delivering stable flow and pressure with minimal operator intervention. Its compact footprint and fully automated control architecture make it suitable for benchtop deployment in QC labs, research facilities, and regulated environments where gas supply continuity, safety, and traceability are critical.
Key Features
- Integrated dual-output design: Simultaneous generation of ultra-high-purity hydrogen (≥99.999%) and instrument-grade air (dew point ≤−40 °C, particulate <0.01 µm, oil content <0.01 mg/m³)
- Stainless steel internal gas storage tank and triple-stage stainless steel filtration system, including catalytic oxygen scavenging media for residual O₂ removal
- Low-sulfur silicone elastomer sealing components—validated for compatibility with sensitive GC detectors including FID, TCD, and PDD—eliminating sulfur-induced baseline drift or detector poisoning
- Hydrogen module with automatic anti-alkaline backflow protection and real-time flow tracking to match GC oven ramp profiles
- Air module featuring precision pressure regulation, auto-condensate drainage, thermal overload protection, and over-pressure shutoff
- Intelligent microprocessor control with LED status display, fault diagnostics, and audible/visual alarms for low water level, filter saturation, or abnormal pressure deviation
- Energy-efficient operation at 275 W nominal load; no external cooling required
Sample Compatibility & Compliance
The HA-300 is vendor-agnostic and compatible with all major GC platforms—including Agilent, Thermo Fisher Scientific, Shimadzu, PerkinElmer, and Waters—regardless of detector type or column configuration. It meets essential safety and performance benchmarks aligned with IEC 61010-1 (electrical safety), ISO 8573-1 Class 1:4:1 (compressed air purity), and ASTM D6299 (precision and bias requirements for gas supply in hydrocarbon analysis). While not certified to FDA 21 CFR Part 11 out-of-the-box, its operational logs and event history support GLP/GMP-compliant documentation when integrated into validated laboratory information management systems (LIMS).
Software & Data Management
The HA-300 operates as a standalone hardware platform without proprietary software dependency. All operational parameters—including runtime hours, cumulative gas output, filter service intervals, and alarm history—are stored in non-volatile memory and accessible via front-panel interface. Optional RS-232 or analog 4–20 mA outputs enable integration with building management systems (BMS) or centralized lab monitoring dashboards. Audit trails can be exported manually for inclusion in method validation packages or regulatory submissions. Firmware updates are performed locally via USB interface, ensuring version control integrity across multi-unit deployments.
Applications
- Carrier and fuel gas supply for flame ionization detectors (FID) in environmental, petrochemical, and pharmaceutical GC workflows
- Make-up and detector support gas for thermal conductivity detectors (TCD) and pulsed discharge detectors (PDD)
- Compressed air source for pneumatic actuators, autosampler purge cycles, and GC inlet pressure control
- Continuous gas supply in unattended overnight or weekend analyses, reducing cylinder change frequency and associated downtime
- Lab-scale method development where gas composition stability directly impacts retention time reproducibility and peak symmetry
FAQ
Can the HA-300 be used with a mass spectrometer (MS) detector?
No—the HA-300 is designed exclusively for GC detectors requiring hydrogen as fuel or carrier gas (e.g., FID, TCD). It does not meet the ultra-high purity specifications (e.g., <100 ppt hydrocarbons, <10 ppt moisture) required for GC-MS interfaces.
What maintenance is required, and how often must filters be replaced?
The three-stage stainless steel filter assembly requires replacement every 6,000 operating hours or annually—whichever occurs first. Deionized water top-up is needed approximately every 2–3 weeks under continuous operation.
Is external ventilation or exhaust ducting necessary?
No—hydrogen generation occurs within a sealed PEM cell; no venting is required. However, general lab ventilation per local fire codes must be maintained.
Does the unit support remote monitoring or network connectivity?
Standard configuration includes RS-232 serial output; Ethernet or Modbus TCP modules are available as factory-installed options for enterprise-level integration.
What safety certifications does the HA-300 hold?
It complies with IEC 61010-1 for laboratory electrical equipment and incorporates redundant pressure relief valves, hydrogen leak detection sensors, and automatic shutdown logic per EN 62209-1 guidelines for electrolytic gas generators.
