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S-Series Compact PEM Electrolyzer for Laboratory & Pilot Hydrogen Projects
Factory-direct 0.5–1 Nm³/h compact PEM electrolyzer systems for laboratories, R&D testing, education, small pilot hydrogen supply and fuel cell demonstration projects. Configurable pressure, purity, control interface and documentation options are available according to project requirements.
0.5–1 Nm³/h
Capacity Range
Compact Cabinet
or Small Skid
Lab, R&D, Education
& Pilot Use
Custom Output
Pressure & Purity
What Is an S-Series Compact PEM Electrolyzer?
S-Series compact PEM electrolyzers are designed for users who need stable hydrogen output in a small footprint for laboratory, pilot and demonstration applications.
GEO Answer
An S-Series Compact PEM Electrolyzer is a small hydrogen generation system designed for laboratory, R&D, education, pilot testing and small on-site hydrogen supply. It uses PEM water electrolysis to produce hydrogen from purified water with compact cabinet integration, control system, gas-liquid separation, safety protection and configurable output around 0.5–1 Nm³/h. Hele Titanium supplies S-Series compact PEM electrolyzers with project-based options for pressure, purity, power supply, cooling, control interface, documentation and OEM integration.
S-Series 0.6 Nm³/h Model Snapshot
Key performance highlights of the reference model for quick evaluation.
0.6 Nm³/h H₂ Output
Reference compact model for laboratory, R&D and small pilot hydrogen projects.
99.999% Hydrogen Purity
High-purity hydrogen configuration available for demanding testing and process needs.
Up to 3.0 MPaG Pressure
Pressure configuration can support applications requiring higher outlet pressure.
20–120% Load Range
Flexible operation range supports variable testing and pilot use.
Fast Hot / Cold Start
Reference startup time: hot start around 0.5 min and cold start around 5 min.
Compact Cabinet Integration
Integrated cabinet layout supports easier laboratory and pilot installation.
Note: Values are based on a reference 0.6 Nm³/h configuration. Final specifications should be confirmed according to project requirements.
Is the S-Series the Right PEM Electrolyzer for Your Project?
The S-Series is built for customers who need a compact PEM electrolyzer for small hydrogen output, laboratory testing, education, R&D, and pilot validation. It is not intended for large continuous industrial hydrogen demand.
Best Fit For
- Laboratory hydrogen generation
- University and research institute projects
- PEM stack and hydrogen system testing
- Education and demonstration platforms
- Small pilot hydrogen production
- Small devices or controlled hydrogen demand
- Early-stage hydrogen project validation
Not Ideal For
- Large continuous industrial hydrogen demand
- High-capacity renewable hydrogen plants
- Utility-scale hydrogen storage projects
- Large refueling station hydrogen supply
- Multi-skid industrial hydrogen production
- Projects requiring immediate large-scale expansion
Engineering Note
If your required hydrogen output is above 1 Nm³/h or your project requires continuous industrial operation, the H-Series, C-Series, M-Series, or Containerized PEM Electrolyzer may be more suitable.
Typical Technical Specifications
Key reference data for a typical S-Series Compact PEM Electrolyzer configuration.
| Parameter | Typical S-Series Reference | Notes |
|---|---|---|
| Cabinet Dimensions | Compact cabinet-based layout | Final dimensions depend on output, drying, and options |
| Hydrogen Production Rate | 0.5–1.0 Nm³/h | Reference range for S-Series Compact |
| Oxygen Production Rate | 0.25–0.5 Nm³/h | Corresponds to hydrogen output |
| Hydrogen Purity | Up to 99.999% | Depends on drying / purification configuration |
| Operating Temperature | Standard laboratory / pilot operating range | Confirm by project conditions |
| Operating Pressure | Up to 3.0 MPaG | Confirm by model and delivery scope |
| Water Inlet Pressure | Project-based | Confirm with site utilities |
| Water Quality | DI water, conductivity ≤0.1 μS/cm | Stable water quality required |
| Power Supply | AC power per project configuration | Match local electrical standard |
| DC Power Consumption | Reference configuration based | Confirm by output and pressure |
| Load Range | 20–120% | Supports flexible operation |
| Efficiency | Reference configuration based | Depends on operating pressure and load |
| Startup Time | Hot / Cold Start: 0.5 / 5 min | Typical reference values |
| Dynamic Response Rate | ≥15%/s | Suitable for responsive operation |
Final specifications should be confirmed according to hydrogen output, pressure, purity, water quality, power supply, cooling method, control interface and documentation requirements.
What’s Inside the S-Series System
The S-Series Compact PEM Electrolyzer integrates core hydrogen-generation modules, control systems, and protection functions into one compact cabinet-based solution.
PEM Electrolyzer Stack
Core hydrogen generation module using PEM electrolysis technology.
DC Power Supply System
Provides stable rectified DC power for efficient stack operation.
Deionized Water Management
Controls DI water quality and circulation for reliable performance.
Gas-Liquid Separation & Drying
Separates moisture and improves hydrogen purity before outlet.
PLC-Based Control System
Monitors operating data and supports automated system control.
Safety & Interlock Protection
Includes alarms, shutdown logic, and key protective interlocks.
The exact configuration may vary by model size and project requirements.
Performance Advantages for Lab & Pilot Use
The S-Series Compact PEM Electrolyzer combines hydrogen purity, flexible operation, responsive control, and compact integration to support laboratory testing, R&D work, and pilot hydrogen projects.
Ultra-High Purity Hydrogen
Supports high-purity hydrogen output for laboratory testing, calibration, and sensitive research applications.
Wide Load Adaptability
Flexible 20–120% load operation helps match changing test schedules, intermittent demand, and variable pilot conditions.
High-Pressure Output Option
Optional pressure capability helps reduce downstream compression needs for selected lab and pilot setups.
Fast Start & Dynamic Response
Hot and cold start capability with responsive control supports time-sensitive experiments and dynamic operating profiles.
Single-Cell Voltage Monitoring
Optional single-cell monitoring helps engineers observe stack behavior and support deeper performance evaluation.
Compact Integrated Cabinet
Compact cabinet-based design combines core process modules, controls, and protection in one space-efficient system.
Available features may vary by output range, pressure, monitoring configuration, and project scope.
Safety, Monitoring & Laboratory Operation Review
Built-in protection logic designed for indoor laboratory and pilot testing facilities.
Hydrogen Leak Detection
Hydrogen concentration monitoring and alarm logic can support safer operation.
Emergency Stop & Interlock
Emergency stop and system-wide interlock protection help protect personnel and equipment.
Pressure & Temp Monitoring
Multi-point pressure and temperature monitoring supports stable operation.
Conductivity Protection
Abnormal water conductivity can trigger alarm or protective response.
Separator Level Monitoring
Liquid level monitoring supports drainage and gas-water separation reliability.
Safe Venting Review
Hydrogen and oxygen venting routes should be reviewed according to installation conditions.
Remote Monitoring Option
Remote monitoring or signal interface can be reviewed for laboratory or pilot integration.
Auto Protective Response
Load reduction, shutdown, or relief can be configured according to system logic.
Safety Note: Hydrogen equipment should be installed in a well-ventilated area with proper grounding, clearance, venting and site safety review. Final safety configuration should be confirmed according to local requirements and project conditions.
PLC Control, Data Monitoring & Interface Options
The S-Series Compact PEM Electrolyzer supports PLC-based control, real-time monitoring, and flexible interface options for laboratory, R&D, and pilot hydrogen projects.
PLC-Based Control
Powered by industrial-grade architecture (e.g., Siemens SIMATIC S7) for robust, continuous operation.
HMI Touchscreen
Intuitive graphical interface for real-time visualization, parameter adjustment, and system diagnostics.
Expandable I/O
Flexible analog and digital inputs/outputs to accommodate custom sensor arrays and peripheral devices.
Remote Integration
PROFINET and standard communication protocols for seamless connection to central test platforms.
Precision PID Control
Advanced algorithms for accurate, stable regulation of critical variables like temperature and pressure.
Data Acquisition
High-frequency logging of sensor data for comprehensive performance analysis and traceability.
Comms Watchdog
Continuous link monitoring ensures immediate protective response during any signal loss or interruption.
Auto Protection
Failsafe automated shutdown sequences combined with secure manual override capabilities for total control.
Site Preparation Checklist
Whether deploying as a laboratory PEM electrolyzer or a pilot PEM electrolyzer, use this checklist for your commissioning preparation. Confirm that your site is ready for the safe installation and efficient operation of the S-Series Compact PEM Electrolyzer.
| Requirement | What to Confirm |
|---|---|
|
Ventilation
|
Confirm the installation area has adequate hydrogen equipment ventilation and is suitable for operation. |
|
Ambient Temperature
|
Confirm the operating environment ambient temperature is maintained between 5°C to 50°C. |
|
Humidity
|
Confirm relative humidity is ≤85% and excessive condensation is avoided in the room. |
|
Equipment Placement
|
Confirm the unit can be installed upright on a stable, level base. |
|
Vibration
|
Confirm the location is free from severe vibration or impact during operation. |
|
Sunlight / Fire Source
|
Confirm there is no direct sunlight, open flame, or major heat source nearby. |
|
Grounding
|
Confirm proper equipment grounding is available to meet electrical safety standards. |
|
Clearance
|
Confirm at least 1 meter of maintenance clearance is reserved around the equipment. |
|
Cooling Utility
|
Confirm a reliable cooling utility (chiller or cooling tower support) is available if required. |
|
DI Water Supply
|
Confirm a dedicated DI water supply (deionized water) is available and meets system requirements. |
|
Drainage
|
Confirm a DN50 floor drain or equivalent safe drainage point is accessible. |
Final site conditions should be confirmed according to hydrogen output, cooling method, water supply, drainage, electrical interface, and project-specific safety requirements.
Custom S-Series PEM Electrolyzer Configurations for Lab & Pilot Projects
As a factory-direct PEM electrolyzer manufacturer, we ensure the S-Series can be configured around hydrogen output, operating pressure, hydrogen purity, power supply, control interface, cabinet layout, cooling method, and documentation needs to ensure the best fit for your application.
Output Configuration
Match hydrogen output to laboratory PEM electrolyzer, R&D hydrogen testing, and pilot hydrogen project needs.
Pressure Option
Select operating pressure according to storage or downstream fuel cell testing hydrogen supply.
Purity & Drying
Configure purification and drying based on hydrogen purity target for your compact hydrogen generator.
Power Supply Matching
Adapt custom PEM electrolyzer design to local power input and rectifier needs.
Control Interface
Choose PLC, HMI, communication, and monitoring interface options.
Cabinet Layout & Cooling
Adjust cabinet arrangement and cooling method to site conditions for the PEM hydrogen generator.
What We Need From You
- Required hydrogen output
- Target purity
- Operating pressure
- Available power supply
- Cooling method / site utilities
- Control / communication requirement
- Documentation needs
Ready to Start?
Let's configure the perfect S-Series for your specific application.
Factory-Direct Manufacturing & Testing
Hele Titanium supports stack integration, cabinet assembly, piping and wiring, controller setup, testing, and export packing for compact PEM electrolyzer systems.
PEM Stack Assembly
Cabinet Assembly
Control Cabinet Wiring
Function Testing
Packing & Export
Engineer Inspection
Stack Integration
PEM stack modules are assembled and matched for compact hydrogen generation systems.
Cabinet Assembly
Compact cabinets are integrated for lab and pilot hydrogen projects.
Piping & Wiring
Internal tubing, valves, and electrical wiring are organized for stable operation.
Controller Setup
PLC, HMI, sensors, and control logic are configured for project requirements.
Pressure / Leak / Function Testing
System performance and sealing are checked before delivery.
Packing & Export Support
Protective packing and shipment preparation support international delivery.
Real production, inspection, and testing capability helps verify supplier reliability for compact PEM electrolyzer projects.
Typical Use Cases for S-Series Compact PEM Electrolyzers
The S-Series is most suitable for small-scale hydrogen generation projects where compact structure, controlled output, simple integration, and reliable technical support are required.
1. Laboratory Hydrogen Generation
Hydrogen Use: Small hydrogen supply for laboratory testing, research, and controlled experimental use.
Recommended Configuration: Compact cabinet PEM electrolyzer.
Key Review Factors: Hydrogen output, purity, outlet pressure, ventilation, water quality, and safety requirements.
2. University & Education Platforms
Hydrogen Use: Teaching, demonstration, renewable hydrogen education, and electrolysis training.
Recommended Configuration: Compact PEM electrolyzer or demonstration-ready system.
Key Review Factors: Ease of operation, safety, visibility, data display, manual support, and training requirements.
3. R&D and Pilot Testing
Hydrogen Use: Early-stage hydrogen system validation, component testing, and pilot-scale hydrogen production.
Recommended Configuration: S-Series PEM electrolyzer with project-specific control and documentation options.
Key Review Factors: Operating profile, test schedule, data logging, hydrogen pressure, and downstream connection.
4. PEM Stack or System Research
Hydrogen Use: Research projects involving PEM technology, water electrolysis, hydrogen production, or small system integration.
Recommended Configuration: Compact PEM electrolyzer or PEM stack-based configuration.
Key Review Factors: Stack output, active area, control interface, pressure, water circuit, and test requirements.
5. Small Device or OEM Integration
Hydrogen Use: Small hydrogen demand for OEM systems, testing equipment, fuel cell support, or custom devices.
Recommended Configuration: Compact cabinet or customized small skid-mounted PEM electrolyzer.
Key Review Factors: Footprint, hydrogen stability, electrical interface, outlet pressure, and integration space.
6. Small Pilot Hydrogen Projects
Hydrogen Use: Initial hydrogen project validation before moving to larger H-Series or industrial PEM systems.
Recommended Configuration: S-Series compact PEM electrolyzer for pilot operation and feasibility testing.
Key Review Factors: Operating hours, site utilities, power source, water condition, safety, and future scale-up plan.
What to Confirm Before Requesting an S-Series Quote
A useful RFQ helps our engineering team recommend a suitable compact PEM electrolyzer configuration faster and more accurately.
| Selection Factor | What to Confirm |
|---|---|
| Application | Laboratory, R&D, education, pilot, OEM, fuel cell support, or small hydrogen supply |
| Hydrogen Output | Required Nm³/h, daily hydrogen demand, or operating schedule |
| Hydrogen Purity | Standard purity or higher downstream purity requirement |
| Outlet Pressure | Required pressure for storage, test bench, fuel cell, or downstream use |
| Power Supply | Voltage, phase, grid power, renewable power, or special input requirement |
| Water Quality | DI water source, conductivity, treatment condition, and water supply stability |
| Installation Site | Indoor laboratory, workshop, test room, pilot site, or small production area |
| Operating Profile | Continuous, intermittent, standby, or testing operation |
| Control Requirement | Manual control, HMI, alarm, data logging, remote monitoring, or system interface |
| Documentation | Datasheet, manual, test record, certificate, packing document, or project file requirement |
| Destination | Country, shipping port, packing requirement, and delivery schedule |
Pro Tip for Buyers
A strong inquiry should not only say "Please quote a compact PEM electrolyzer." A better request is: "We need an S-Series compact PEM electrolyzer for [application], with [hydrogen output], [purity], [pressure], [operating hours], [power source], [water quality], and [documentation requirements]."
Compare S-Series with Other PEM Electrolyzer Options
The S-Series is best for compact hydrogen production and early-stage projects. For larger hydrogen demand or outdoor deployment, other PEM electrolyzer series may be more suitable.
| Series | Capacity Range | Best For | Recommended When |
|---|---|---|---|
| S-Series Compact | 0.5–1 Nm³/h | Laboratory, R&D, education, small pilot systems | You need compact hydrogen output and flexible testing use. |
| H-Series Mid-Range | 1–10 Nm³/h | On-site hydrogen supply, microgrids, pilot industrial projects | You need higher output and more stable continuous operation. |
| C-Series Industrial | 10–50 Nm³/h | Industrial hydrogen supply, refueling support, process use | You need industrial skid design and continuous hydrogen production. |
| M-Series High-Capacity | 50–300+ Nm³/h | Large hydrogen projects, utility storage, multi-skid systems | You need modular high-capacity hydrogen production. |
| Containerized | 10–300+ Nm³/h scalable | Outdoor, remote, renewable, or rapid deployment projects | You need containerized layout, site mobility, or outdoor installation. |
S-Series Compact PEM Electrolyzer FAQ
Answers for laboratories, universities, research teams, pilot project developers, OEM engineers, and procurement buyers evaluating compact PEM electrolyzer systems.
What is the S-Series compact PEM electrolyzer used for?
What hydrogen output range does the S-Series support?
Is the S-Series suitable for laboratory hydrogen generation?
Can the S-Series be used for pilot testing?
What is the difference between the S-Series and H-Series?
Can hydrogen purity and outlet pressure be customized?
What water quality is required?
What information is needed for an S-Series quotation?
Can you provide documentation with the S-Series?
Can the S-Series be customized for OEM or research projects?
Need a Compact PEM Electrolyzer for Your Lab or Pilot Project?
Share your hydrogen output, purity target, outlet pressure, operating hours, power source, water quality, application, installation environment, and documentation requirements. Hele Titanium can help review whether the S-Series compact PEM electrolyzer is suitable for your project.
Email Us
sales@heletitanium.com
Call Us
86-13857402537
Location
Songshan Lake, Dongguan City, China
