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MegaEIS™ ME-10S270x20 – High-Current Source & EIS Workstation

The MegaEIS™ ME-10S270x20 is the essential workstation with an internal power source from the Kolibrik MegaEIS Product Family, specially designed for electrolyzer stack research.

With 10 fully synchronized measuring channels, it is 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 270 A, the system provides the stable power required to execute complex, high-current electrolyzer experiments reliably.

Technical specifications

Power supply: 110 … 240 V AC / 50 … 60 Hz

Dimensions: Modular design for 19“ rack cabinet

Input voltage: 0 … 20 V

Total input current: Up to 270 A

Max. internal power dissipation: 5.4 kW

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

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.

Use cases

Short Stack Scale-Up Validation: Bridge the gap between single-cell R&D and large-scale production. Monitor cell-to-cell uniformity across up to 10 cells simultaneously, instantly identifying voltage imbalances or weak components within the electrolyzer short stack.

Accelerated Degradation Testing: Drive the stack with up to 270 A using the integrated power source. True parallel EIS captures real-time data on specific degradation mechanisms—such as membrane aging or catalyst poisoning—under continuous, high-current stress.

Dynamic Load & Efficiency Profiling: Simulate fluctuating renewable energy inputs natively. Run custom, automated sequences of load cycling and polarization curves to observe transient responses and optimize overall stack efficiency without requiring external power hardware.

MegaEIS™ ME-10S270x20 – High-Current Source & EIS Workstation