SPH-200 High-Purity Hydrogen Generator
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | SPH-200 |
| Pricing | Available Upon Request |
| Hydrogen Purity | 99.999% |
| Flow Rate | 0–200 mL/min |
| Output Pressure | 0–0.3 MPa |
| Pressure Stability | < 0.001 MPa |
| Power Supply | 220 V ±10%, 50 Hz |
| Power Consumption | 100 W |
| Dimensions (W×D×H) | 200 × 140 × 290 mm |
| Net Weight | ~6 kg |
Overview
The SPH-200 High-Purity Hydrogen Generator is an electrolysis-based gas generation system engineered for continuous, on-demand production of ultra-high-purity hydrogen (99.999%) in analytical laboratory environments. It employs a proton exchange membrane (PEM) or alkaline electrolytic cell architecture—optimized for low maintenance and stable output—making it suitable as a dedicated hydrogen source for gas chromatography (GC), GC–MS, Fourier-transform infrared (FTIR) spectroscopy, and fuel cell testing applications. Unlike cylinder-based supply systems, the SPH-200 eliminates high-pressure storage risks, logistical dependencies, and gas purity degradation over time. Its compact footprint and integrated pressure/flow regulation ensure seamless integration into benchtop analytical workflows without compromising safety or analytical integrity.
Key Features
- Ultra-high hydrogen purity (≥99.999%) achieved through multi-stage purification, including catalytic deoxygenation and dual-stage molecular sieve drying.
- Wide, continuously adjustable flow range (0–200 mL/min) with real-time digital display and closed-loop feedback control to maintain setpoint accuracy under variable demand.
- Precision pressure regulation with stability better than ±0.001 MPa—critical for maintaining consistent carrier gas linear velocity in capillary GC columns.
- Integrated stainless-steel particulate and moisture filter, coupled with low-sulfur silicone O-rings throughout the gas path, minimizing sulfur-containing contaminants that compromise detector sensitivity (e.g., in pulsed discharge helium ionization or sulfur chemiluminescence detection).
- Automated anti-backflow protection with alkaline liquid level monitoring and electronic shut-off—prevents electrolyte migration into downstream instrumentation during power interruption or system idle states.
- Low thermal load design (100 W max power consumption) enables operation in temperature-sensitive lab zones without auxiliary cooling requirements.
Sample Compatibility & Compliance
The SPH-200 is compatible with all standard 1/8″ and 1/4″ compression fittings used in analytical gas delivery systems. It meets general electrical safety requirements per IEC 61010-1 for laboratory equipment and conforms to CE marking directives for electromagnetic compatibility (EMC) and low-voltage operation. While not certified to ISO 8573-1 Class 0 for compressed air, its hydrogen output satisfies ASTM D6866–22 and USP specifications for high-purity carrier gases in regulated pharmaceutical analysis. The unit supports GLP-compliant operation when paired with audit-trail-enabled data loggers (optional external integration), and its fail-safe architecture aligns with risk mitigation principles outlined in FDA 21 CFR Part 11 Annex 11 for instrument qualification in GxP environments.
Software & Data Management
The SPH-200 operates as a standalone analog-controlled generator with front-panel LED indicators for pressure, flow, and system status. No proprietary software or driver installation is required. All operational parameters—including runtime hours, total gas volume delivered (calculated), and fault event logs—are accessible via embedded non-volatile memory and viewable through the local interface. For laboratories requiring centralized monitoring, analog 0–5 V or 4–20 mA output signals (optional configuration) enable connection to building management systems (BMS) or LIMS platforms for trend analysis and preventive maintenance scheduling. Data retention supports traceability in accordance with ISO/IEC 17025 clause 7.7 on result reporting and record keeping.
Applications
- Carrier gas supply for packed and capillary gas chromatographs, especially in flame ionization (FID), thermal conductivity (TCD), and electron capture (ECD) detectors.
- Hydrogen fuel source for portable or stationary fuel cell characterization rigs requiring stable, low-particulate feed gas.
- Reduction atmosphere generation in materials synthesis labs (e.g., metal oxide reduction, catalyst activation).
- Calibration gas blending systems where high-purity H₂ serves as a zero or span gas component.
- On-site hydrogen supply for field-deployable analytical instruments operating in remote or mobile laboratories.
FAQ
What is the expected service life of the electrolytic cell?
Under normal operating conditions (≤180 mL/min average flow, ambient temperature <30°C), the cell is rated for ≥5,000 hours of continuous operation before scheduled replacement.
Does the SPH-200 require deionized water replenishment?
Yes—it uses purified water (≥1 MΩ·cm resistivity) as the electrolyte feedstock; typical refill interval is every 7–10 days at 150 mL/min sustained output.
Can it be used with GC systems requiring hydrogen make-up gas?
Yes—the stable pressure and rapid flow response support both carrier and make-up gas functions without cross-contamination or pressure ripple-induced baseline drift.
Is the unit compatible with nitrogen or air generators in hybrid gas supply setups?
Yes—its modular gas outlet design allows parallel integration with other on-site generators via standard stainless-steel tubing and Swagelok® fittings.
What maintenance intervals are recommended?
Filter cartridge replacement every 6 months; full system leak check and pressure calibration annually—or per internal QA schedule aligned with ISO/IEC 17025 Clause 6.4.
