Key Features
- Integrated System: A complete, standalone setup for alkaline water electrolysis testing.
- Programmable Operation: Supports both automatic, unmanned tests and manual operation.
- Advanced Data Acquisition: Monitors voltage, current, temperature, and cell compression with CSV data output.
- Safety Features: Includes multiple safety mechanisms such as N2 purge, product gas dilution, and automatic shutdowns for over-voltage, over-current, over-temperature, and low electrolyte levels.
- Optional Multi-cell Testing: Available with single and multi-cell test fixtures for comprehensive component evaluation.
Specifications
- Supported Electrolyte: Potassium hydroxide (KOH), up to 30% (not supplied)
- Operating Pressure: Atmospheric
- Operating Temperature: Up to 95°C (203°F)
- Electrolyte Heater: Thermostatically controlled
- Electrolyte Path: Re-circulating
- Electrolyte Reservoir: 5L with automatic top-up
- Electrolyte Flow Rate: Integrated digital pump control (max 3 L/min) and flow meter
- Product Gas Handling: Condensate separation, N2 dilution prior to expulsion
- Cell Compression (optional): N2 based, up to 5 bar g
- Control Software: Windows 10 or 11 compatible PC (not included)
Test and Measurement
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- Power Supply: Integrated, software controlled
- Current Range: 0-20A, controlled to ± 0.01A
- Voltage Range: 0-40V, controlled to ± 0.01V
- Test Regimes: Step/sweep and constant current/voltage
- Data Acquisition: Current, voltage, temperature, cell compression, and time
- Cell Voltage Measurement: 5 voltages: ± 0.01V
- Total Current Measurement: ± 0.01A
- Temperature Measurement: Stack input and stack outlet, K-Type thermocouple
- Data Format: CSV
Safety Features
- N2 Purge: Electrolyte reservoir and test fixture
- N2 Dilution of Anode & Cathode Product Gases: Automatic
- E-Stop Shutdown: Yes
- Electrolyte Level Low Shutdown: Automatic
- H2Gas Detector Shutdown: Automatic
- Over Voltage/Current Shutdown: Automatic
- Over Temperature Shutdown: Automatic
- N2 Pressure Low Shutdown: Automatic
Interfaces
- Control (to external PC): USB
- Test Cell Electrical Supply: 4mm banana socket (female)
- Electrolyte Inlet and Outlets: 1/4” double ferrule compression fitting (female)
- Cell Compression (N2): 8mm pneumatic push fitting (female)
- Stack & Cell Voltage Measurement: 4mm banana socket (female)
Physical and Environmental
- Dimensions: 1010 x 600 x 1690 mm (39.7 x 23.6 x 66.5 in.) (W x D x H)
- Weight: 85kg (187.3 lb)
- Operating Temperature Range: 5-30°C (41-86°F)
- External Power Supply: 220-240V AC, 50/60 Hz
- N2 Supply: 5 bar g recommended, 8 bar g maximum
- Cooling Water Supply: Flow rate >3L/min, temperature <10°C
Options
- Single Cell Stack: 4.9cm² active area cell, 15.9cm² active area per cell
- Additional Cell: 4.9cm² active area cell, 15.9cm² active area cell
- Cell Voltage Measurement Expansion: Required for > 5 cell voltage measurements
- Customisations Available: Please call