i-Lab HG300 Ultra-High-Purity Hydrogen Generator
| Brand | i-Lab |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | HG300 |
| Hydrogen Generation Principle | SPE-PEM Pure Water Electrolysis |
| Output Flow Rate | 0–300 mL/min |
| Output Pressure | 0–8 bar |
| Hydrogen Purity | 99.9995% |
| Power Consumption | 300 W |
Overview
The i-Lab HG300 Ultra-High-Purity Hydrogen Generator is an engineered solution for laboratories requiring continuous, on-demand hydrogen supply at ≥99.9995% purity—meeting the stringent gas quality requirements of modern analytical instrumentation. It employs solid polymer electrolyte (SPE) and proton exchange membrane (PEM) technology to electrolyze deionized water, eliminating the use of corrosive potassium hydroxide (KOH) solutions common in traditional alkaline electrolyzers. This electrochemical process generates high-purity hydrogen without introducing trace contaminants such as moisture, oxygen, or metal ions—critical for detector stability in flame ionization detection (FID), nitrogen-phosphorus detection (NPD), and flame photometric detection (FPD). Designed for integration into GC, GC-MS, and hydrogen-based ion sources, the HG300 delivers precise flow and pressure control with zero chemical carryover, supporting method robustness and long-term baseline integrity.
Key Features
- SPE-PEM electrolysis core: Enables pure water feedstock operation, avoiding alkali management, pH drift, and electrode degradation associated with liquid electrolytes.
- Integrated pressure-regulated output: Maintains stable 0–8 bar delivery across the full 0–300 mL/min flow range, compatible with both detector fuel and carrier gas applications.
- Onboard dehydration and oxygen scavenging: Built-in pressure-swing adsorption (PSA) module and catalytic oxygen removal media ensure residual O₂ < 0.1 ppm and H₂O < 1 ppm (v/v), eliminating need for external purifiers.
- Intelligent automation: Fully automatic startup, self-calibrating flow control, real-time pressure monitoring, and auto-refill via integrated water level sensor.
- Low-noise architecture: Acoustically optimized pump and vibration-damped housing achieve ≤55 dB(A) at 1 m—suitable for shared lab environments and ISO Class 5+ cleanrooms.
- Comprehensive safety system: Dual-pressure sensors, hydrogen leak detection (catalytic bead sensor), thermal cutoff, overcurrent protection, and emergency shutdown protocol compliant with IEC 61000-6-4 and UL 61010-1.
Sample Compatibility & Compliance
The HG300 is validated for use with all major GC and GC-MS platforms requiring ultra-high-purity hydrogen, including Agilent, Thermo Fisher, Shimadzu, and Waters systems. Its gas output meets ASTM D7525 (Standard Test Method for Determination of Trace Gases in Hydrogen by Gas Chromatography), ISO 8573-1 Class 1:2:1 (for particles, water, and oil), and USP specifications for pharmaceutical-grade carrier gases. The device supports GLP/GMP workflows through audit-trail-capable event logging (optional firmware upgrade), and its electrical design conforms to CE, RoHS, and FCC Part 15 Subpart B emission standards.
Software & Data Management
The HG300 features embedded Ethernet and RS-485 interfaces for seamless integration into laboratory information management systems (LIMS) and building automation networks. Local operation is managed via a 4.3-inch TFT LCD with intuitive Chinese/English bilingual UI; remote control—including power cycling, setpoint adjustment, alarm acknowledgment, and diagnostic history retrieval—is enabled via HTTP API or Modbus TCP. All operational parameters (flow, pressure, temperature, runtime, error codes) are timestamped and stored onboard for ≥12 months. Optional cloud connectivity enables predictive maintenance alerts and centralized fleet monitoring across multi-site facilities.
Applications
- Fuel gas for FID, NPD, FPD, and other combustion-based GC detectors—ensuring consistent response factors and minimizing baseline noise.
- Carrier gas replacement for helium in hydrogen-compatible mass spectrometry ion sources, reducing operational cost while maintaining resolution and sensitivity.
- Process gas in semiconductor wafer cleaning, thin-film deposition (e.g., SiH₄ reduction), and fuel cell R&D where ppm-level oxygen and moisture must be excluded.
- Calibration and reference gas generation in environmental air monitoring stations and emissions testing labs per EPA Method TO-15 and EN 13649-1.
- Hydrogen supply for portable GC systems used in field-deployable forensic or industrial hygiene analysis.
FAQ
What feedwater quality is required for optimal performance?
Deionized water with resistivity ≥15 MΩ·cm and total organic carbon (TOC) < 50 ppb is recommended. Integrated pre-filtration removes particulates up to 0.2 µm.
Is external drying or purification necessary?
No—the HG300 incorporates integrated PSA dehydration and catalytic oxygen removal; no downstream traps or purifiers are needed under normal operating conditions.
How often does the system require maintenance?
The core electrolyzer stack is rated for ≥10,000 hours of continuous operation. Filter media and desiccant modules are certified for ≥12 months of service under typical lab usage (≤8 h/day, 25°C ambient).
Can the HG300 operate unattended overnight?
Yes—fully autonomous operation with fault-tolerant logic, redundant pressure sensing, and automatic shutdown upon anomaly detection ensures safe 24/7 deployment.
Does it support regulatory-compliant data integrity?
With optional firmware version 2.3+, the device provides electronic records compliant with FDA 21 CFR Part 11, including user authentication, immutable audit trails, and electronic signatures for critical parameter changes.
