850 Fuel Cell Test System
- Direct USB Connection
- Internal Auto Humidifier Drain/Fill Option for rapid dew-point reduction
- Updated 881 Impedance Analyzer with higher frequency capability.
- New 885 P/GStat with:
- EIS
- Voltage & Current control modes – Constant, Scanning & Stepped.
The 850 combines a computer-controlled instrument with fuel handling hardware in an integrated bench-top unit. The 850 uses the proven 890 as the basis for the electronic load design. The powerful FuelCell® software package is included for controlling station operation.
Need more power? Consider the 840 Fuel Cell Test System with up to 1 kW / 500 A.
Features
Specifications
Features
- Multiple current range electronic load choices: 5/25/50 A or 10/50/100 A, 100 W, 20 V
- Suitable for up to 50 cm2 PEM cells.
- FuelCell ® software for user-friendly computer controlled cell operation & experimentation
- Temperature controlled high performance 316L stainless steel humidifiers, and heated gas transfer lines
- Computer control of anode and cathode mass flow rates
- Automatic control of N2 purge gas to cell
- Detection of pressure loss for reactant and purge gasses
- Current, voltage or power control modes
- Continuous real time cell resistance and IR-free voltage measurement by Current Interrupt
- Whole cell voltage plus two high-impedance reference inputs for half-cell data
- Cell main terminals and sense inputs tolerant of a non-isolated cell
- Automatic Water Fill for humidifiers
- Safety features include detection of alarm conditions and automatic hardware
Specifications
| Electronic Load: | |
| Maximum Load Current | 5/25/50 A or 10/50/100 A (configuration dependent) |
| Maximum Load Power | 100 W |
| Minimum Load Resistance: | < 2 mΩ (100 mV @ 50 A at load terminals) |
| Current Resolution: | 1 mA for 5/25/50 A; 10 mA for 10/50/100 A |
| Current Accuracy | 0.3% of full scale current of selected range |
| Voltage Measurement and Data Acquisition: | |
| Max . Whole Cell Voltage | 20 V |
| Max . Reference Electrode Voltage: | 9.999 V |
| Voltage Resolution | 1 mV |
| Voltage Accuracy | ±3 mV ±0.3% of reading |
| Voltage & Current Data Update Rate | 100 Hz |
| Whole Cell Sense Input Resistance | > 35 kΩ |
| Reference Electrode Input Resistance | > 109 Ω |
| Impedance Analyzer (Optional 881): | |
| Internal Impedance Analyzer Type | Single sine, one generator and two gain/phase measurement channels |
| Internal Analyzer Frequency Range | 1 mHz to 10 kHz |
| Measurement Channels | Three: whole cell plus two half cell vs. Reference Electrode |
| Reactant Gas Control System | All 316 SS construction of humidifiers, flow path, valves and mass flow controllers, with Swagelok® fittings and heated reactant delivery lines |
| Mass Flow Control | Anode to 2 SLPM, Cathode to 5 SLPM Software controlled mass flow controllers Automatic N2 purge valves on Anode and Cathode |
| Alarms | Gas supply pressures(3), Humidifier water levels(2), External (1), System alarm output (1) |
| Back Pressure Control | Manual or Automatic, 0 – 2 bar (0 – 30 PSIG), requires optional 850BP or Auto BP accessory |
| Temperature Controllers | Three: cell, anode humidifier, cathode humidifier |
| Set & Report Accuracy | ±0.25% of span, ±1 least significant digit |
| Sensor Type | Thermocouple, Type T for cell (Type K optional for high temperature) |
| Humidifiers | Dual sparger-type, passivated 316L, 360 W heaters per bottle |
| Temperature Range | Ambient to 99 ° C; Optional: 120 ° C |
| Environment: | |
| Operating Temperature | 5 to 35 ° C |
| Power Source | 120 V, 50-60 Hz, 10 A (Export model 220-240 V, 50-60 Hz, 5 A) |
| Enclosure Type | Single bench top enclosure |
| Size and Weight | 18” H x 11” W x 19” D (+ 11” for heated gas lines); 50 lb .46 cm x 28 cm x 48 cm (+ 28 cm); 23 kg |
| Safety Features | Automatic shutdown and N2 purge on under-voltage, over-current, over-temperature, loss of reactant or purge gas pressure, low water, communications failure or external alarm Emergency Stop switch for manual operator shutdown |