PEM Hydrogen Generators for High-Purity On-Site Supply
HELE supplies compact PEM hydrogen generators for laboratories, analytical instruments, fuel-cell testing, semiconductor equipment and small industrial hydrogen applications. Systems use PEM water electrolysis with integrated gas handling, purification, control and safety functions for on-site hydrogen supply.
Share your required hydrogen flow, purity, outlet pressure, operating profile and downstream equipment for application review.
Compact Hydrogen Generation from Deionized Water
PEM water electrolysis enables on-site hydrogen production directly from deionized water without alkaline electrolyte or chemical additives. The integrated generator combines hydrogen production, gas-liquid separation, drying, purification, monitoring and control within a compact system.
PEM Water Electrolysis
Deionized Water · No Alkaline Electrolyte
Hydrogen is generated directly through PEM water electrolysis for clean, compact on-site supply.
Adjustable Hydrogen Output
0–4 L/min H₂
Hydrogen output can be adjusted according to the required laboratory, analytical or equipment demand.
Integrated Drying & Purification
Drying · Moisture Removal · Trace Oxygen Removal
Integrated gas treatment can include molecular sieve, silica gel and trace-oxygen removal according to the required hydrogen quality.
Intelligent Monitoring & Control
PLC · HMI · Pressure · Flow · Temperature
Operating conditions can be monitored and controlled through the integrated control platform.
0–4 L/min PEM Hydrogen Generator
A compact PEM hydrogen generator configuration for laboratory, analytical, fuel-cell testing and small industrial hydrogen supply. Final system details should be confirmed against the required flow, pressure, hydrogen quality and interface conditions.
Core Reference Parameters
| Hydrogen Output | 0–4 L/min H₂ |
|---|---|
| Pressure Series | 0–3 MPa |
| Standard Hydrogen Purity | >99.99% |
| Hydrogen Production Technology | PEM Water Electrolysis |
| Feed Water | Deionized Water |
| Gas Treatment | Gas-Liquid Separation + Drying + Purification |
| Control | PLC + HMI |
| Monitoring | Pressure · Flow · Temperature |
| Communication | TCP/IP available according to configuration |
| System Interfaces | Confirm according to selected configuration and downstream equipment |
Engineering Note
Final hydrogen purity, dew point, delivery pressure, electrical requirement, dimensions, outlet connection and purification scope should be confirmed against the selected configuration and agreed operating conditions.
From PEM Water Electrolysis to High-Purity Hydrogen Supply
The system is designed to produce, purify, monitor, and deliver hydrogen through an integrated PEM water electrolysis process.
Deionized Water Supply
Controlled feed water is supplied to the PEM electrolyzer through the integrated water-management circuit.
PEM Water Electrolysis
DC electrical power drives PEM electrolysis to generate hydrogen and oxygen from deionized water.
Gas-Liquid Separation
The hydrogen stream passes through gas-liquid separation to remove entrained process water.
Hydrogen Drying & Purification
Integrated gas treatment can include molecular-sieve drying, silica-gel moisture removal and trace-oxygen removal according to the required hydrogen quality.
Pressure, Flow & Quality Control
Pressure, flow, temperature and applicable system conditions are monitored through the control system.
Hydrogen Delivery
Hydrogen is delivered to the downstream laboratory instrument, test equipment or industrial process according to the selected interface and pressure configuration.
Integrated System Components
How to Select the Right PEM Hydrogen Generator
Selecting a PEM hydrogen generator requires more than matching the maximum hydrogen flow. Hydrogen quality, delivery pressure, operating profile, available utilities and downstream equipment should be reviewed together before the final configuration is confirmed.
01 — Hydrogen Flow
Continuous Demand · Peak Demand · Reserve Margin
Start with the actual hydrogen consumption of the downstream instrument or process. Confirm the continuous flow, expected peak demand and any reserve capacity required for stable operation or future expansion.
02 — Hydrogen Quality
Purity · Dew Point · Measurement Requirement
Define the required hydrogen purity and moisture level according to the downstream application. Where higher gas quality is required, the purification scope, dew point requirement, test method and measurement point should be confirmed together.
*Purity, dew point, and test conditions are core procurement specifications for precise integration.
03 — Delivery Pressure
Outlet Pressure · Downstream Equipment · Pressure Regulation
Select the hydrogen delivery pressure according to the downstream instrument, process equipment and gas-handling system. HELE's current hydrogen generator range includes 0–3 MPa configurations, with the final pressure requirement confirmed for the selected system.
04 — Operating Profile
Continuous · Intermittent · Daily Operating Hours
Confirm whether the generator will operate continuously, intermittently or in repeated start-stop cycles. Operating hours and load profile help determine the appropriate generator capacity and system configuration.
05 — Utilities
Power Supply · Deionized Water · Installation Conditions
Confirm the available electrical supply, deionized-water quality and installation environment before configuration. Utility requirements should be matched to the selected generator model and operating conditions.
06 — System Integration
Gas Interface · Communication · Installation · Standards
Review hydrogen outlet connections, available installation space, control and communication requirements, ventilation conditions and applicable project standards before finalizing the system interface.
*Control architecture can also be configured for HMI, TCP/IP, and compatible DCS or IoT integration.
Need Help Selecting the Right Configuration?
Send us your application, required hydrogen flow, purity, dew point, outlet pressure, operating profile and available utilities. We can review the suitable PEM hydrogen generator configuration and required system interfaces for your project.
Configure the PEM Hydrogen Generator Around Your Application
Standard configurations provide a clear starting point, but the final hydrogen generator should be matched to the required hydrogen flow, delivery pressure, gas quality, utilities, control architecture and downstream equipment. HELE can review project-specific configurations around these operating and integration requirements.
Hydrogen Flow Configuration
01Hydrogen output can be configured within the available product range according to the downstream equipment demand, operating profile and required reserve capacity.
Pressure Configuration
02The delivery-pressure configuration should be matched to the downstream instrument, process equipment and gas-handling requirements. Final operating pressure is confirmed according to the selected generator configuration.
Hydrogen Purification & Gas Quality
03The purification scope can be configured according to the required hydrogen purity, dew point and downstream application. Available gas-treatment stages can include molecular-sieve drying, silica-gel moisture removal and trace-oxygen removal.
Gas Outlet & Equipment Interface
04Hydrogen outlet connections and equipment interfaces should be reviewed against the downstream instrument or process layout. Reference configurations can use 1/8 or 1/4 hydrogen outlets, with the final connection confirmed for the selected model.
PLC, HMI & Operating Monitoring
05The reference control architecture uses a Siemens SMART 200 ST40 PLC with HMI-based monitoring of pressure, flow and temperature. The interface can display operating status, fault alarms and applicable historical operating data.
Communication & System Integration
06TCP/IP communication can support remote monitoring and data exchange with compatible plant control or IoT platforms. Communication scope and integration requirements should be confirmed according to the project control architecture.
Need a Project-Specific Generator Configuration?
Share your hydrogen flow, outlet pressure, purity requirement, downstream equipment, available utilities and control-interface requirements. We can review the suitable PEM hydrogen generator configuration for your application.
Note: Final flow, pressure, purification scope, gas connection, control architecture and communication interface should be confirmed during technical review before order release.
PEM Hydrogen Generator Applications
Compact PEM hydrogen generators are suited to applications that require controlled on-site hydrogen supply at relatively low flow rates. The final generator configuration should be matched to the required hydrogen flow, purity, delivery pressure, operating profile and downstream equipment.
Laboratory & Research Hydrogen Supply
Compact on-site hydrogen generation for laboratories, research platforms and experimental systems that require a controlled hydrogen source without relying solely on bottled gas supply.
GC & Analytical Instruments
PEM hydrogen generators can provide on-site hydrogen for compatible analytical instruments and laboratory gas applications. Required purity, dew point, pressure and outlet configuration should be confirmed against the instrument specification.
Fuel Cell Testing
Controlled hydrogen supply for fuel-cell stack testing, single-cell evaluation and related research or development equipment. Flow, pressure and gas-quality requirements should be matched to the test system.
Semiconductor & CVD Process Gas
On-site hydrogen supply for compatible semiconductor, electronics and CVD-related process equipment where controlled gas quality, flow and pressure are required.
Small Industrial Process Hydrogen
Compact hydrogen generation for selected industrial processes requiring controlled on-site hydrogen supply, including compatible chemical synthesis, metal heat-treatment and powder-metallurgy applications.
Need a Different PEM Hydrogen Product?
This page covers compact PEM hydrogen generators for laboratory, analytical, testing and small industrial hydrogen supply. If your project requires higher hydrogen-production capacity, a standalone electrolyzer stack or a dedicated electrolyzer test platform, use the corresponding product category below.
Hydrogen Generator Testing, Safety & Project Documentation
Hydrogen generator acceptance should be based on the confirmed configuration, operating conditions and project requirements. Inspection, functional checks, safety functions and documentation scope should therefore be defined together before order release.
System Assembly & Functional Check
Applicable system functions can be checked against the confirmed generator configuration, including water circulation, gas-liquid separation, purification, flow control, pressure regulation and control-system operation.
- Electrolyzer & Pumps
- Valves & Gas Handling
- Control-system operation
Pressure & Gas-Circuit Review
The hydrogen gas circuit, outlet connection and pressure-control functions should be reviewed against the selected 0–3 MPa configuration and the downstream equipment requirements. Applicable pressure or leak-test requirements should be agreed as part of the project acceptance scope.
- Outlet Pressure
- Gas Connections
- Pressure Regulation
Hydrogen Quality Verification
Hydrogen purity and moisture requirements should be verified against the selected purification configuration and agreed operating conditions. Where a specific purity or dew point is required, the measurement method and test point should be defined before acceptance.
- Purity & Dew Point
- Test Method
- Measurement Point
Safety Protection & Shutdown
Available safety functions include hydrogen leak alarm, overpressure protection, electrolyzer over-temperature protection and abnormal-condition detection. Relevant faults can trigger alarms and automatic shutdown according to the configured control logic.
- Leak Alarm & Overpressure
- Over-Temperature
- Fault Detection
Control & Communication
Control functions can be reviewed through the PLC and HMI, including pressure, flow and temperature monitoring, alarm status and applicable communication functions. TCP/IP integration requirements should be confirmed according to the project control architecture.
- PLC & HMI
- Sensors & Alarm Status
- TCP/IP Integration
Documentation & Records
The documentation package should be confirmed according to the selected generator configuration and purchase requirements. Available documents may include technical data, drawings, applicable inspection or test records and operating information.
- Datasheet & Drawing
- Inspection & Test Record
- Operating Information
Engineering Note
Final inspection scope, test conditions, acceptance criteria, hydrogen-quality measurement method and documentation package should be agreed before order release. Requirements not included in the standard project scope should be confirmed during technical review.
PEM Hydrogen Generator FAQs
Quick answers to common questions about hydrogen output, purity, pressure, applications and project configuration.
What is a PEM hydrogen generator?
What hydrogen output is available?
What is the standard hydrogen purity?
What hydrogen delivery pressure is available?
What applications can the generator support?
What information is needed for a PEM hydrogen generator quotation?
Request a Hydrogen Generator Configuration Review
Tell us your required hydrogen output, purity, pressure, downstream application, water supply condition, control requirements, installation environment, and documentation needs. Hele Titanium will help review a suitable hydrogen generator configuration for your application.
Direct Contact:
sales@heletitanium.com
Songshan Lake, Dongguan City, China