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Fuel Cell Test Equipment

Fuel Cell Test Equipment - 890

Scribner, LLC

  • Multi-current range programmable electronic load
  • Integrated multi-channel impedance spectroscopy capability
  • Three-range electronic load for wide dynamic measurement range
  • Continuous IR-free voltage measurement via current interrupt
  • Whole-cell and half-cell impedance measurement capability

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Description Vendor

The 890 Fuel Cell Test Loads is a multi-range programmable electronic load with ultra-low internal resistance, designed for full-voltage range evaluation of single cells. It features control signals for up to seven mass flow controllers, an electronic load with three current ranges for accurate measurement over a wide dynamic range, and continuous real-time cell resistance and IR-free voltage measurement via current interrupt. The device supports whole cell voltage and two high-impedance reference electrode inputs for half-cell data, offering constant current, voltage, or power control modes. It includes an impedance analyzer for EIS (Electrochemical Impedance Spectroscopy) and continuous real-time high-frequency resistance (HFR) measurement, enabling simultaneous 3-channel impedance measurement using whole cell and half-cell configurations. The 890 also has three internal controllers for anode and cathode humidifier and cell temperatures, contact inputs for three pressure sensors or alarms, output signals to control purge gas valves and indicate alarm conditions, and an RS485 digital interface for additional temperature controllers and serial devices. Safety features include automatic hardware shutdown for alarm conditions, ensuring safe and reliable operation. The device requires a custom or third-party fuel management unit to form a complete test station.

Use Cases

  • Full-voltage range evaluation of single fuel cells
  • Electrochemical impedance spectroscopy (EIS) testing
  • Real-time resistance monitoring and diagnostic measurements in fuel cell experiments

Capabilities

  • Provides programmable electronic load testing with constant current, voltage, or power control modes.
  • Enables simultaneous impedance measurements for whole cell and half-cell reference electrodes.
  • Supports automated control of up to seven mass flow controllers.
  • Integrates three internal temperature controllers for humidifier and cell thermal control.
  • Allows integration with external temperature controllers and devices via RS485 communication.
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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