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MegaEIS™
ME-42L200x50
High-Current Load & EIS Workstation
The MegaEIS™ ME-42L200x50 is the sweet-spot workstation with an internal power load from the Kolibrik MegaEIS Product Family, developed specifically for fuel cell stack testing and analysis.
With 42 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. Capable of delivering up to 200 A, the ME-42L200x50 ensures high-precision execution of the majority of demanding fuel cell testing scenarios.
Kolibrik MegaEIS System Introduciton
See Unboxing, introduction to features, and practical live measurement demonstration of MegaEIS System.
Key Features
- Designed for fuel cell stack research
- Stack current up to 200 A
- Stack voltage up to 50 V
- Inner dissipated power of MegaEIS up to 4 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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Water Management & Flooding Diagnostics: Monitor specific impedance shifts in real time. True parallel EIS across 42 channels simultaneously pinpoints localized membrane drying or cathode flooding before they trigger irreversible cell reversal.
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Dynamic Drive Cycle Simulation: Replicate heavy-duty automotive load profiles natively. Sink up to 200 A to evaluate transient stack responses and individual cell voltage stability during rapid power demand fluctuations.
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Accelerated Degradation Testing: Isolate weak cells within mid-size stacks. Continuous parallel data acquisition allows for precise tracking of catalyst degradation and fuel starvation effects over extended high-current operational cycles without missing fast transient events.
Technical Parameters
| Power supply | 110 … 240 V AC / 50 … 60 Hz |
| Dimensions | Modular deign for 19“ rack cabinet |
| Protection rating | IP20 |
| Input voltage | 0 … 50 V |
| Total input current Total input current (internal + external load) |
Up to 50 V |
| Internal load current
|
0 … 200 A |
| Max. internal power dissipation | 4 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 ± 50 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 40+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. |
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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