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MegaEIS™
ME-10S500x20
High-Current Source & EIS Workstation
The MegaEIS™ ME-10S500x20 is the ideal workstation with an internal power source from the Kolibrik MegaEIS Product Family, purpose-built for electrolyzer stack research.
With 10 fully synchronized measuring channels, it’s ideal for parallel testing of small to mid-size stacks — capturing real-time insights into cell uniformity, degradation mechanisms, and efficiency under industrial-scale loads. Delivering up to 500 A, the ME-10S500x20 makes even the most demanding electrolyzer experiments feel effortless.
Kolibrik MegaEIS System Introduciton
See Unboxing, introduction to features, and practical live measurement demonstration of MegaEIS System.
Key Features
- Designed for electrolyzer stack research
- Stack current up to 500 A
- Stack voltage up to 20 V
- Inner dissipated power of MegaEIS up to 10 kW
- EIS measurement one cell gradually or all cells simultaneously
- High precision current sensing of both DC and AC components
Deployment Scenarios
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Industrial Short Stack Validation: Test large-format cells under true operational conditions. With up to 500 A from the integrated power source, you can validate cell-to-cell uniformity across 10 channels simultaneously, ensuring balanced voltage distribution in components with industrial-scale active areas.
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High-Current Density Stress Testing: Push your stack to its thermal and electrochemical limits. True parallel EIS captures real-time degradation data—such as mass transport limitations or localized hot spots—while continuously driving the stack at 500 A without requiring external boosters.
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High-Power Dynamic Load Profiling: Simulate aggressive renewable energy fluctuations natively. Execute automated, high-current load cycling sequences to observe transient responses and optimize thermal management strategies for heavy-duty electrolyzer designs.
Technical Parameters
| Power supply | 110 … 240 V AC / 50 … 60 Hz |
| Dimensions | Modular deign for 19“ rack cabinet |
| Protection rating | IP20 |
| Input voltage | 0 … 20 V |
| Total input current Total input current (internal + external load) |
Up to 500 A |
| Internal load current
|
0 … 500 A |
| Max. internal power dissipation | 10 kW |
| Cooling *) | Water |
| Sampling | 24-bit ADCs, low-noise 50/60 Hz filtered sampling
Up to 1.25 Msps for EIS measurements |
| Measurement resolution | 0.001% of selected range |
| Accuracy | Voltage: ≤ 0.1% of range + 0.1% of reading
Current: ≤ 0.1% of range + 0.5% of reading |
| Acquitions methods | Constant V, I, Open circuit, Manual control, Chronoamperometry, Chronopotentiometry, Linear sweeps, Polarization curves, Current interruption, Load cycling/profiling, EIS – electrochemical impedance spectroscopy, Programmable sequences of all available methods |
| EIS frequency | 1 mHz ... 100 kHz |
| EIS amplitude | Up to 20% of maximum internal current for < 1 kHz |
| 2× voltage probe with EIS | Up to ± 20 V |
| EIS channel voltage range | ± 5 V (max. voltage span over one EVM8 module: 24 V / each 8 channels) |
| Number of EIS channels | Up to 8+2 (limited by max. voltage) 8 channels per one EVM8 module |
| Connection | USB 2.0, Ethernet |
| Software | Control software for MS Windows
Features: measurement setup and control, data acquisition, processing and visualization, pascal or python scripting, remote control by TCP/IP server for integration with top-level control system, examples for remote control using Python or LabVIEW. |
*) A cooling chiller unit and on-site system implementation are available as optional extras upon request.
If these variants do not suit you, please contact us, we offer customized solutions!
Documentation
Software
To run your experiments, you’ll use the application CVM Manager – our measurement and control app that manages everything from workstation setup to real-time data acquisition and visualization. Just connect the MegaEIS System, choose your method, and let the science begin.
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