Cell Voltage Monitoring – DiLiCo cell voltage 72

by DiLiCo engineering GmbH

  • Cell voltage monitoring with 72 measuring channels
  • Wide measuring range from -4.5 V to +4.5 V per cell
  • Cell protection by monitoring over- and undervoltage
  • More safety due to integrated relay output for fault switch-off
  • Ideal for series production
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Cell Voltage Monitoring – DiLiCo cell voltage 72

  • DiLiCo cell voltage 72 measures reliably and inexpensively the electrical voltage of each individual cell on fuel cells, batteries, electrolyzers and redox flow batteries. Cell voltage monitoring is suitable for series production under cost pressure. The focus in the development of this measuring system was on a reliable measurement at the lowest possible price per measured cell.
  • In addition, it monitors the adjustable limit values for undervoltage and overvoltage. The integrated potential-free contact can be used for the customer’s control in order to protect the cell(s) from damage and the system from failure when voltage limits are reached. The measuring interval of DiLiCo cell voltage 72 is up to 25 ms for 72 cells. The cell voltage monitoring modules can be linked via a BUS system through the CAN interface in order to measure the cell voltages of stacks of more than 72 cells.
  • DiLiCo cell voltage 72 places minimal load on the electrodes due to the low current consumption of ± 35 µA when measuring the cell voltage. DiLiCo cell voltage 72 is suitable for all common energy converters and storage for cell voltages up to 4.5 V per cell. A negative cell voltage measurement up to -4.5 V is also implemented. The measurement data is transmitted to the controller via an CAN interface.
  • DiLiCo cell voltage 72 has an external power supply (15 – 36 VDC) and a 37-pin D-sub socket for connecting the cell voltage taps. Use DiLiCo cell voltage 72 to detect faults and adverse operating conditions in a timely manner, avoiding failure and maintenance costs and increasing cell life. Ensure customer satisfaction by detecting faults in time and avoiding cell failures.

Key features

  • Significant reduction in downtime costs
  • Higher customer satisfaction
  • Increased product lifetime
  • Low costs from recourse claims
  • Better optimisation of products thanks to good measurement options
  • Measuring range: ± 2.5 V (low range), ± 4.5 V (high range)
  • Measurement deviation (at T = 25 °C): ± 15 mV (low range), ± 30 mV (high range)
  • Measuring interval: Up to 25 ms
  • Resolution: 1.5 mV (low range), 3.0 mV (high range)
  • Relay output: Connection to safety chain
  • Leakage current at measurement input: ± 1.6 µA idle mode, ± 35 µA (Ucell > 0 V), ± 550 µA (Ucell < 0 V)
  • Cell connection: 37-pin D-Sub connector

Application areas

  • Series manufacturers of fuel cells, electrolysers, and batteries
  • Research and development facilities for measuring negative cell voltages

Contact us

  • DiLico has the right cell voltage monitoring solution. Fill out the contact vendor form to contact the vendor.
Dimensions13 × 11 × 6 cm
Technology Readiness (TRL)

Manufacturing Readiness (MRL)

Channel Count

Electronic Control Interface

DiLiCo Cell Voltage Monitoring CV36 CV72 Datasheet

Product Datasheet

DiLiCo cell voltage 36 and 72 Infosheet

Product Infosheet

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      DiLiCo engineering GmbH

      DiLiCo engineering develops and produces measurement technology for monitoring and analysing electrolysis cells, fuel cells, redox flow batteries and batteries. This includes cell voltage monitoring and contacting solutions for cell voltage pick-up, in-situ current and temperature distribution measurements as well as EIS measurements for ageing analysis and evaluation of operational management. Electrolysis test stands for the reproducible measurement and analysis of electrolysis single cells are another of DiLiCo's areas of expertise.

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