Gas Mixing Interface - Scribner

  • Mounting for up to 5 mass flow controllers (MFCs).
  • Plug-and-play accessory for 850/855 Fuel Cell Test Systems.
  • Industry-standard connector for serial/RS485 device communication.
  • Integrated control of gas mixture type and composition via FuelCell software.

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The Gas Mixing Interface is an advanced accessory designed for integration with FuelCell test systems, specifically the 850R External Interface. It provides mounting for up to 5 mass flow controllers (MFCs), enabling precise control of gas mixtures for various applications such as reformate simulation, mass transport limiting studies, and impurities investigation. The interface allows for plug-and-play connectivity and integrates seamlessly with FuelCell® software, offering features like integrated control of gas mixture type and composition, industry-standard connectors for serial/RS485 devices, and support for external alarm inputs and factory options like furnace control and burp valve control. It is essential for achieving accurate and flexible gas mixing in electrochemical testing environments.

Use Cases

  • Reformate gas simulation (H₂, CO₂, CO mixtures).
  • Mass-transport limiting studies (Air/O₂ diluted with N₂).
  • Investigation of impurities and contaminants in fuel cell systems.

Capabilities

  • Provides mounting and electrical interface for multiple MFCs.
  • Supports integration with serial/RS485 devices.
  • Enables custom experimental configurations through optional control interfaces.
  • Enables software-controlled gas mixture composition in FuelCell test environments.
Scribner, LLC Scribner, LLC is a U.S. electrochemical instrumentation company based in North Carolina and known for test systems, measurement electronics and analysis software used by academic, government and industrial research laboratories. The company developed from electrochemical research expertise and has built a portfolio around fuel cells, electrolyzers, batteries, redox-flow cells, membrane testing, impedance spectroscopy and corrosion research. Hydrogen is central to several of its product families: Scribner manufactures fuel-cell test stations for PEM and related cell chemistries and electrolyzer test systems for detailed characterization of single cells and small stacks. Its equipment can integrate power supplies, electronic loads, potentiostats, impedance analysis, gas and water management, product-flow measurement and crossover monitoring, allowing developers to study efficiency, degradation and operating limits under controlled conditions. Within the hydrogen value chain, Scribner is therefore an R&D and validation equipment supplier supporting membrane, catalyst, MEA, stack and electrolyzer developers that require precise electrochemical testing rather than a producer of commercial hydrogen systems.

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