Fuel Cell Voltage Monitor CVM24P

by Kolibrik.net, s.r.o.

  • Fuel cell voltage monitor
  • Precise 5 V-range voltage monitor with CAN for fuel-cells, electrolyzers and batteries
  • Stacked modules in optional enclosure for the fuel cell monitor
  • Also available in self-assembly starter kit
  • Accessories: Power supply module, XC2/MODBUS/CAN controller, USB & serial (RS232) interface, Raspberry PI connection and 3D-printed enclosures
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Kolibrik Fuel Cell Voltage Monitor CVM24P

Stackable fuel cell voltage monitoring (CVM) system designed for H2 fuel-cell stack research, testing and applications. CVM system can be used to prevent damage to individual cells, to monitor lifetime conditions, and to ensure optimal working conditions in applications. CVM24P module is ideal for testing and research purposes.

CVM24P module is designed as a precise automotive-ready solution with additional CAN bus for use mainly in hydrogen fuel cells and electrolyzers research, testing and applications.

CVM24P Details

  • 24-channels per board
  • Multiple boards can be daisy-chained
  • Very compact design, part of FC Stack Control System
  • Compatible with other Kolibrik.net modules
  • Default channel range ± 5V, can be extended
  • 24-bit sampling, RMS noise 10-100 μV
  • Accuracy 0,02% of range, + 0,05% of reading
  • Sample rate up to 500 sps
  • Communication buses
    • CAN bus, RS-485/XC2 (compatible with other Kolibrik modules)
    • USB (USB/RS485 converter in KMS-PWR module)
  • Stand alone or component of Compact Modular System and FC Stack Control System
  • Applications: H2 fuel-cell stacks and electrolyzer test stands, research and control systems, hydrogen technology, redox-flow batteries, etc.


  • CVM-Kit48P – 2x CVM24P: 48 channels total, RS485/USB/CAN, 2x output, 2x input, Self-assembly kit
  • CVM-Kit120P – 5x CVM24P: 120 channels total, RS485/USB/CAN, 5x output, 5x input, Self-assembly kit
  • CVM-Ext24P – 1x CVM24P: 24 additional channels, 1x output, 1x input, Extension for self-assembly kit

Custom made sets

  • custom number of channels
  • optionally assembled into 3D printed enclosure
  • custom cables if requested
  • on demand modifications possible – connectors, enclosure, software functions, communication protocols, etc.
  • redesign for mass production if requested

Module board dimensions, mechanically compatible to Raspberry-like boards

Kolibrik CVM24P Dimentions

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Dimensions8.5 × 5.8 × 1.3 cm
Max Power (in kW)

Min Ambient Temperature (in °C)

Max Ambient Temperature (in °C)

Channel Count

Electronic Control Interface

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Kolibrik CVM24P datasheet

Detailed information with specifications

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      Kolibrik.net, s.r.o.

      Kolibrik.net provides solutions and products mainly for H2FC technologies and electrochemistry. The electronics and software made by Kolibrik.net can cover many tasks ranging from basic and applied research, high-power cell and stack testing, stack control system prototyping to target application solutions. All products presented are on modular platform so they can be modified according to exact needs or parameters.

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