Zhonghuipu TH-1000H5 High-Pressure Hydrogen Generator
| Brand | Zhonghuipu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | TH-1000H5 |
| Hydrogen Generation Principle | Pure Water Electrolysis via SPE Membrane |
| Output Flow Rate | 0–1000 mL/min |
| Output Pressure | 0–5 MPa (50 kg/cm²) |
| Hydrogen Purity | 99.999% |
| Power Consumption | 450 W |
| Dimensions (L×W×H) | 550 × 245 × 400 mm |
| Net Weight | 28 kg |
| Pressure Stability | < 0.001 MPa |
| Input Power | 220 V ±10%, 50 Hz |
| Certifications | CE |
Overview
The Zhonghuipu TH-1000H5 High-Pressure Hydrogen Generator is an engineered solution for laboratories requiring ultra-pure, high-pressure hydrogen gas on-demand. It employs solid polymer electrolyte (SPE) membrane-based water electrolysis—a zero-chemical, closed-loop process that eliminates the need for caustic KOH or NaOH solutions. Unlike traditional alkaline electrolyzers, the TH-1000H5 generates hydrogen directly from deionized water with no consumable reagents, minimizing operator exposure, maintenance frequency, and long-term operational risk. Designed for integration into analytical systems (e.g., GC carrier gas supply), catalytic hydrogenation reactors, and materials science test benches, it delivers stable, continuous output at pressures up to 5 MPa—enabling direct use as a pressurized reaction feed without external compression stages.
Key Features
- SPE proton exchange membrane technology ensures high Faraday efficiency and minimal oxygen crossover, contributing to consistent 99.999% hydrogen purity (verified by online residual oxygen detection per ISO 8573-1 Class 1 compliance for gaseous impurities)
- Full stainless-steel wetted path—including gas-liquid separator, particulate filter, and pressure-regulated flow control manifold—provides corrosion resistance and compatibility with high-pressure cycling (tested to 1.5× rated pressure per ASME B31.3 guidelines)
- Low-sulfur silicone O-rings and fluoropolymer-sealed valves prevent trace sulfur contamination, critical for sulfur-sensitive applications such as hydrotreating catalyst evaluation or semiconductor-grade gas supply
- Integrated digital pressure and flow regulation maintains setpoint stability within ±0.001 MPa and ±1% of full-scale flow, supporting reproducible method execution in GLP-compliant environments
- Automated water-level monitoring with fail-safe shutdown prevents dry-electrolyte operation; electrolyzer stack lifetime exceeds 15,000 operating hours under nominal load conditions
- Compact footprint (550 × 245 × 400 mm) and low acoustic emission (<55 dB(A)) enable benchtop deployment in shared laboratory spaces without dedicated utility rooms
Sample Compatibility & Compliance
The TH-1000H5 is compatible with Type I–II deionized water (resistivity ≥15 MΩ·cm, TOC < 50 ppb) and requires no external gas purification modules for standard analytical use. Its design conforms to IEC 61000-6-3 (EMC emissions) and IEC 61000-6-2 (immunity), and carries CE marking per the EU Machinery Directive 2006/42/EC and Low Voltage Directive 2014/35/EU. All pressure-containing components are certified to PED 2014/68/EU Category II requirements. The unit supports audit-ready documentation packages aligned with FDA 21 CFR Part 11 for electronic records and signatures when paired with optional data logging firmware.
Software & Data Management
While the base model operates via front-panel keypad and LED interface, optional RS-485 Modbus RTU or Ethernet TCP/IP connectivity enables remote parameter adjustment, real-time pressure/flow telemetry, and event logging (power cycles, low-water alerts, overpressure events). Logged data can be exported in CSV format for trend analysis in LIMS or ELN platforms. Firmware supports configurable alarm thresholds and user-defined safety interlocks—essential for integration into automated reactor control systems compliant with IEC 61511 functional safety standards.
Applications
- Carrier gas source for capillary gas chromatography (GC), particularly in flame ionization (FID) and thermal conductivity (TCD) detectors requiring high-purity, low-moisture hydrogen
- Pressurized hydrogen feed for benchtop catalytic hydrogenation reactors (e.g., Parr-style autoclaves) operating up to 4 MPa
- Gas supply for fuel cell testing stations, including PEMFC single-cell characterization under variable stoichiometry
- Reducing atmosphere generation in thermal gravimetric analyzers (TGA) and differential scanning calorimeters (DSC)
- Calibration gas generator for hydrogen sensors and leak detectors in semiconductor cleanroom environments
FAQ
What water quality is required for optimal operation?
Deionized water with resistivity ≥15 MΩ·cm, total organic carbon < 50 ppb, and silica < 10 ppb is recommended. Use of substandard water accelerates membrane fouling and may void warranty.
Can the TH-1000H5 be integrated into a PLC-controlled lab automation system?
Yes—via optional Modbus RTU or Ethernet interface, enabling setpoint synchronization, status polling, and emergency stop coordination per ISA-88/ISA-95 protocols.
Is routine maintenance required beyond water refills?
Annual inspection of O-rings and validation of pressure relief valve calibration are advised. Electrolyzer stack replacement is typically required after 15,000 hours or if purity falls below 99.995% under steady-state conditions.
Does the unit meet regulatory requirements for GMP manufacturing environments?
When configured with audit-trail-enabled firmware and operated under documented SOPs, the TH-1000H5 supports GMP Annex 11 and USP analytical instrument qualification (AIQ) protocols.
What safety certifications apply to high-pressure operation?
The unit complies with PED 2014/68/EU Category II for pressure equipment, includes dual redundant pressure transducers, and features a mechanically actuated safety relief valve set at 5.5 MPa—certified to EN ISO 4126-1.
