PowerStation Ultima

Product Code: 72108123


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The PowerStation Ultima gas management unit multiplies the power of the PowerStation CompuCell to enable fuel cell and electrochemical testing to an efficient level. Designed for PEM, alkaline, and phosphoric acid fuel cells, it provides added capacity for 4 more single cells and fuel cell stacks. For those faced with extensive fuel cell testing requirements, there is no more advanced system, and no safer system for unattended operation. Only sold with the PS-Ultima™ System Controller.
Key Features:
✔ Gas management multiplier of the CompuCell Module
✔ Precision automated gas supply, humidification and effluent management
✔ Convenient front panel access to manual controls and output and return gas fittings
✔ Safety designed in through hardware features and software control


PowerStation Ultima Schematics:

Typical Heater Assignments:
  • FC #1 Heater 1
  • FC #4 Heater 4
  • FC #2 Heater 2
  • FC #5 Heater 5
  • FC #3 Heater 3
  • Off/On Switch
PowerStation Computer
Key Features Specifications
 • PowerStation™ software installed
 • Free upgrades and support
 • Provides digital and analog control and data acquisition from all  integrated peripherals
 • Visual display of real time data and system status
 • Network compatible via Ethernet
 • Pentium™ Computer
 • 4 digital interface cards factory installed
 • 4 customized cables to interface module
 • Ethernet network interface supported
 • 15″ Monitor
 • Windows XP Pro™ operating system
 • Microsoft Office™ Basic
 • 110 V or 220 V operation



PowerStation Ultima Software:

  •  Independent humidification for each of 10 reactant lines
  •  Independent mass flow control for each of 10 reactant lines
  •  Independent temperature control for each of 5 fuel cells
  •  Safety criteria independently selected for all reactant lines and temperatures
Integrated Software for Safety and Flexibility System Control Features
 • On Windows™ – based software
 • Integral to the Power Station™
> Not based on general purpose lab test software
> Not adapted from battery test
> Not modified from a 3rd party product
 • Safety designed in for unattended operation
 • Quick and easy test configuration
 • Real-Time graphic data output
 • User friendly graphic user interface
 • Very Wide Flexibility in Load Control Sequences
> Stepped, Ramped, Constant Load Control
> Simulates Real-World Power Applications
 • Complete 5 cell control
 • Complete 5 cell data acquisition
 • Quick and easy test configuration
 • Real time graphic data output
 • User friendly graphic user interface
 • Two stage software structure reduces dangerous user input errors
 • Continuous data logging
 • Fixed, Load Following, and Combination Gas Flow Control Options
1. Fixed Flow
2. Stoichiometric Load Following
3. Fixed Minimum Plus Load Following


Cell Configuration:

  • Define fuel cell characteristics based on real properties such as active area and number of cells
  • Define gas flow conditions in convenient measures such as stoichiometric ratio and ml/min.
  • Select gas lines to be used
  • Present purge conditions for end of test
  • Enable temperature controls for cell heaters, gas line heaters and humidifiers
  • Enable temperature and pressure safety controls
System Configuration:
Allows long term compatibility with multiple modules:
  • CompuCell – 2 humidified reactants
  • Ultima Module – 8 humidified reactants
  • DMFC- Direct Methanol Unit PS-DM
  • GTL – heated gas supply lines
Setup-Flow Control:
  • Enable all or only some of the 10 gas channels
  • User defined gas correction factor allows users to select new gas mixtures
  • Select thermocouples to use
  • Use measurements for logging, and/or control
  • Select PID controller algorithm characteristics to match heater requirements

  • Back-pressure transducers monitoring active pressure to sense leaks and activate safety shutdown
  • User selects shutdown criterion
Setup-Electronic Load:
  • Expand electronic load capacity by adding an optional secondary load
  • Maximum Operating Pressure 50 psig (4.5 Bar)
Humidifiers (each)
  • 100% saturation at 75°C for input gas flow of 2000 ml/min
  • 2 liter water bottles (max. fill capacity 1.6 liters)
Mass Flow Controllers
  • Full Scale Ranges Available 10 to 20000 sccm
  • Control Range 2% to 100% of Full Scale
  • Accuracy ± 1% of Full Scale
  • Repeatability ± 0.2% of Full Scale
  • Resolution 0.1% of Full Scale
  • Wetted Materials 316L SS, Viton™, Nickel
Gas Connections
  • 1/4” Swagelok™ Tubing Connectors
  • Front Panel:
    • Output humidified reactant gases to fuel cell 8
    • Reactant return gases from fuel cell 8
    • Ports for refill of humidifier bottles 8
  • Rear Panel:
    • Input reactant gases (accomplished through CompuCell)* 2
    • Input purge gas (accomplished through CompuCell)* 0
    • Output venting of reactant gases 2
Electronic Load
  • Power: 800 Watts (also available 2000W or 4000W)
  • Size: 8 x 5.25 x 22 inch
  • Weight: 88.2 lbs. (40 kg)
  • Selectable Voltage: 0-10, 0-20, and 0-50 Volts
  • Selectable Current: 0-2, 0-20, and 0-150 Amps
  • Constant Current and Voltage Mode:
    • Accuracy: ± 0.25% of full scale for med/high ranges ± 0.50%, full scale for low range
    • Resolution: 1/4000 of full scale
  • Constant Power Mode:
    • Accuracy: ± 3% FS for all ranges
    • Resolution: 0.25% of full scale
  • Digital front panel display
  • Convenient front panel connection
  • Digital interface via IEEE-488
  • Temperature measurements via 5 front panel, temperature sockets Type K
Electrical Requirements
  • All power and control connections provided by Power Station Control Unit
Physical Characteristics
  • Size (W x H x D): 20.75 x 28.5 x 23 inches (53 x 72 x 58 cm)
  • Weight: 180 lbs. (82 kg)


* The Ultima gas management unit is designed to operate in conjunction with the CompuCell gas management unit.

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