• Up to 50 psig operation
• Manual backpressure regulators
• NEMA rated solenoid valves Normally closed on reactant lines (for safety) Normally open on purge lines (for safety)
• Reactant lines separated by leakfree solenoid valves
• Strategically located check valves prevent back-flow of reactant gases
• Two fuel gas lines
• Two oxidant gas lines

• Precision, all stainless steel mass flow controlers (same as those used in the semiconductor industry)
• Under programmed control of the Power Station™ Gas flow accuracy +/- 1% of full scale Gas flow precision +/- 0,2% of full scale Gas flow resolution 0,1% of full scale
• Seamless #316 stainless steel tubing throughout

• Power: 800 Watts (8”W x 5.25”H 22”D, ca. 40kg) 2000 Watts (19”W x 5.25”H 22”D) 4000 Watts (19”W x 8”H 22”D)
• 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% FS for med/high ranges ± 0,50% FS 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
• Expandable to Second Load in Parallel

• Digital Interface via IEEE-488
• Manual or Computer Controlled Operation
• Convenient Front Panel Connection (800W Load)
• Current and Voltage Performance*
  800W Current - Up To 50A at 0,1V Up To 150A at 0,4V Voltage 0 to 50V
  2000W Current - Up To 150A at 0,1V Up To 500A at 0,4V Voltage 0 to 50V
  4000W Current - Up To 250A at 0,1V Up To 1000A at 0,4V Voltage 0 to 50V
  *Higher Voltage Options Available

• Proprietary design
• Dual reservoir construction
• Complete saturation at 75°C and 2 liters/min.
• No erratic flow or water slugs in gas supply to cell.
• Front panel sight tubes indicate water level

• Contact thermostats provide high temperature automatic cutoff for safety (automatically reset)
• Controlled by PID temperature control algo- rithm (parameters set in Power Station Soft- ware)
• Easy refill of water reservoirs
• All stainless steel construction

• 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

For detailed software information, please check the PowerStation file.

• Independent Control of Each Mass Flow Controller
• Pressure switches sense gas supply pressure defines safe operation for reactant and purge gas supplies
• Pressure transducers sense back pressure - senses gas leak for safety shutdown
• PID Temperature control software provides precision temperature control of humidifiers and fuel cells
• PS Interface monitors cell voltage and refer-ence cell voltage directly
• PS Interface monitors backpressure of anode and cathode
• Watchdog timers monitors computer activity

• 50 psig operation
• Automatic water traps empty without losing pressure
• Manual backpressure regulators
• NEMA rated solenoid valvesNormally closed on reactant lines (for safety)Normally open on purge lines (for safety)
• Reactant lines separated by leak-free solenoid valves
• Strategically located check valves prevent back-flow of reactant gases

• Precision, all stainless steel mass flow controllers (same as those used in the semiconductor industry)
• Under programmed control of the Power Station™
  Gas flow accuracy +/- 1% of full scale
  Gas flow precision +/- 0,2% of full scale
  Gas flow resolution 0,1% of full scale
• Seamless #316 stainless steel tubing throughout

System Control Features

• Pressure switches sense gas supply pressure - defines safe operation for reactant and purge gas supplies
• Pressure transducers sense back pressure - senses gas leak for safety shutdown
• Reactant solenoid valves are individually activated for flexible use
• Safe shutdown under several user selectable criterion
• Safe shutdown from power loss or computer crash