QUANPU QP-Plus-3H Intelligent Hydrogen Generator
| Brand | QUANPU |
|---|---|
| Origin | Shanghai, China |
| Model | QP-Plus-3H |
| Hydrogen Generation Principle | Alkaline Electrolysis |
| Output Flow Rate | 300 mL/min |
| Output Pressure | 0.4 MPa |
| Hydrogen Purity | 99.999% |
| Power Consumption | 180 W |
| Dimensions (W×D×H) | 425 × 245 × 390 mm |
| Weight | ~10 kg |
| Operating Temperature | 0–35 °C |
| Relative Humidity | ≤85% |
| Input Power | 220 V ±10%, 50 Hz ±5% |
Overview
The QUANPU QP-Plus-3H Intelligent Hydrogen Generator is an on-demand, laboratory-grade hydrogen source engineered for precision gas supply in analytical instrumentation—including gas chromatography (GC), Fourier-transform infrared (FTIR) spectroscopy, and fuel cell testing—where high-purity, stable-flow hydrogen is critical. It employs alkaline electrolysis of deionized water using a cylindrical, thermally stabilized electrolytic cell with imported noble-metal catalysts. This electrochemical process ensures consistent H₂ generation without consumable cylinders or external gas lines, eliminating logistical constraints and safety hazards associated with compressed gas storage. The system operates at a nominal pressure of 0.4 MPa and delivers up to 300 mL/min of hydrogen at ≥99.999% purity—meeting ASTM D7622 and ISO 8573-1 Class 1 requirements for trace-level impurity control (O₂ & H₂O < 0.1 ppm). Its fully integrated thermal management maintains optimal cell temperature during extended operation, minimizing efficiency drift and extending service life.
Key Features
- Intelligent multi-parameter control via high-integration embedded module with real-time LCD interface for status monitoring (flow, pressure, temperature, fault codes)
- Auto-fill water reservoir system enabling “power-on-and-go” operation without manual intervention
- Comprehensive safety architecture: liquid-level threshold alarm, water-refill failure detection, hydrogen leak sensing (catalytic bead sensor), and over-pressure cut-off (mechanical + electronic dual redundancy)
- Gas path constructed entirely from electropolished stainless steel tubing, subjected to ultrasonic cleaning pre-assembly; integrated four-stage purification (particulate, moisture, oxygen, hydrocarbon removal)
- Patented anti-backflow design prevents electrolyte migration into downstream instruments—critical for protecting GC detectors and catalytic sensors
- Cylindrical electrolyzer core with proprietary platinum-group alloy electrodes and active thermal stabilization for uniform current density and long-term performance consistency
- Dynamic flow regulation with closed-loop feedback ensures output stability across variable demand; purity remains invariant over continuous 24/7 operation
Sample Compatibility & Compliance
The QP-Plus-3H is compatible with all standard 1/8″ and 1/4″ stainless steel or copper gas fittings used in laboratory analytical systems. It requires only deionized water (≥1 MΩ·cm resistivity) and standard AC mains power. No external cooling or ventilation is required under ambient conditions (0–35 °C, ≤85% RH). The unit complies with IEC 61010-1:2010 for electrical safety in laboratory equipment and incorporates design elements aligned with GLP/GMP documentation requirements—including timestamped event logging for maintenance and calibration tracking. While not certified to UL/CSA standards out-of-the-box, its construction adheres to general-purpose industrial safety practices suitable for ISO/IEC 17025-accredited laboratories.
Software & Data Management
The generator includes local data logging capability via internal non-volatile memory, storing operational timestamps, pressure/flow deviations, and alarm events for up to 30 days. Optional RS-232 or USB-C interface enables integration with laboratory information management systems (LIMS) or building automation platforms for remote status polling and predictive maintenance scheduling. Audit trails support FDA 21 CFR Part 11 compliance when paired with validated third-party software solutions. All firmware updates are performed offline via secure firmware image upload, preserving system integrity during validation cycles.
Applications
- Carrier and fuel gas supply for capillary and packed-column gas chromatographs (GC-FID, GC-TCD, GC-PDHID)
- Reference gas for FTIR spectrometers requiring ultra-high-purity reducing atmospheres
- Hydrogen feedstock in catalytic hydrogenation reactors and electrochemical test stations
- Calibration gas generation for hydrogen sensors and explosion-proof analyzers
- On-site, low-flow hydrogen sourcing for portable fuel cell development rigs and PEM electrolyzer characterization setups
FAQ
What is the recommended water quality specification for optimal performance?
Deionized water with resistivity ≥1 MΩ·cm and total organic carbon (TOC) < 50 ppb is required to prevent electrode fouling and ensure >5,000 hours of electrolyzer service life.
Does the unit require periodic electrolyte replacement?
No—this is a zero-maintenance alkaline electrolysis system; only deionized water replenishment is needed. No KOH solution handling or disposal is involved.
Can the output pressure be adjusted externally?
Yes—pressure is factory-set to 0.4 MPa but adjustable within 0.2–0.6 MPa range using the front-panel digital regulator; calibration certificate provided upon request.
Is the hydrogen purity verified in real time?
While no built-in online gas analyzer is included, the four-stage purification train and sealed gas path architecture guarantee sustained 99.999% purity per batch-certified validation reports available upon installation.
What is the expected lifetime of the electrolyzer stack?
Rated for ≥5 years or 30,000 operating hours under normal lab conditions, with degradation rate <0.5% purity loss per 10,000 hours based on accelerated life testing per IEC 60068-2-60.
