890ZV SOFC Test Load


Scribner Associates


The bench-top Model 890ZV consists of a programmable electronic load, fuel and temperature controls, and data acquisition functions. A built-in power source makes the 890ZV particularly well suited for small single-cell SOFC work for research, laboratory, and educational use.

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The 890ZV is optimized for cost and size, and offers extra hardware features and Scribner Associates’ FuelCell® software.

The 890ZV is typically used with a SOFC fuel cell, a suitable furnace, and a fuel management unit. The 890 Series is supported by the Scribner 885 Integrated Fuel Cell Potentiostat.

- Load system with bucking power source for SOFC high-resistance cell leads
- Remote operation from USB-GPIB interface with Scribner FuelCell® software
- Electronic load with two current ranges: 5 / 25 Amps
- Constant current, voltage, or power control mode
- Current Interrupt (iR) cell resistance measurement
- Whole cell sense voltage input and two high-impedance reference electrode inputs
- Impedance measurement using whole-cell or either reference electrode input
- Automatic shutdown in hardware for over-current, under-voltage, over-power, load temperature and cell / furnace temperature alarm conditions
- Ramping cell/furnace temperature control
- Cell main terminals and sense inputs tolerant of non-isolated cell
- Internal temperature controllers for anode humidifier and cell/furnace temperatures
- Multifunction front panel text display with function select button
- Connector for optional interface box or direct gas management unit connection
- Analog input/output ports for two main gas mass flow controllers, and up to five additional mass flow controllers including anode forming gas mixtures
- Low voltage output signal to control purge gas valves
- Contact inputs for three supply pressure sensors and three auxiliary alarms
- Low voltage alarm output signal to indicate fault condition
- RS-485 digital interface for external temperature controllers

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